Flash storage and solid-state drives (SSDs)
Find the latest information on flash storage and solid-state drive (SSD) technology options and learn strategies for successfully implementing flash and SSDs.
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Podcast
22 Oct 2025
Podcast: SSD for high performance, but HDD suits ‘warm’ workloads
We talk to Axel Stoermann of drive maker Kioxia about the efficiencies and performance that flash storage can bring, but why hard disk drives are still a key choice in some use cases Continue Reading
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News
22 Oct 2025
Container storage: Five key things you need to know
We look at container storage and backup, diving deep into how storage works in containers, container storage interface, container-native storage, and the management platforms storage suppliers offer Continue Reading
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News
04 Apr 2023
HPE launches GreenLake for File and Block, and unified arrays
HPE upgrades its storage-as-a-service offer with Greenlake for File and for Block, configurable via the cloud but deployable on-prem. Meanwhile it shows new Alletra MP arrays Continue Reading
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News
28 Mar 2023
IBM Storage launched with backup appliance plan
Prosaically named brand will replace Spectrum products, while IBM rationalises offer for AI/ML, hybrid cloud and malware, which it sees as the backdrop to contemporary IT Continue Reading
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Feature
24 Mar 2023
HDD specs: Assess SATA vs SAS, sustained data rates and block size
In part two of a two-part series, we look at sustained data rates in hard disk drive specs, SATA versus SAS, drive security, and how HDD makers pack density into products by shingling Continue Reading
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Feature
22 Mar 2023
Understand how the CXL SSD can aid performance
Although CXL SSDs are only in the research phase, their performance shows promise. When used as simple memory extensions, they should improve programs that manage large data sets. Continue Reading
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Feature
21 Mar 2023
HDD specs: Assess MTTF, AFR and UER to get the drives you need
In part one of a two-part series, we look at key hard disk drive specs, including mean time to failure, annual failure rate and unrecoverable error rate, and how they relate to each other Continue Reading
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Feature
17 Mar 2023
Vast Data’s ‘Act 2’ builds data management layer on QLC flash
Vast Data offers QLC flash bulk storage with a rapid cache I/O layer. Now, it has embarked on offering big data, analytics and application access to highly available data stores Continue Reading
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Feature
14 Mar 2023
QLC edges into mainstream, but what are its advantages?
QLC flash offers high density but has lifecycle limitations. But what does it really cost compared with TLC and MLC, and how are suppliers implementing it and getting around durability issues? Continue Reading
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News
05 Mar 2023
FlashBlade//E to open up new opportunities in Australia
Pure Storage’s FlashBlade//E will enable the storage supplier to target medical imaging and remote backup workloads and attract new customers in Australia Continue Reading
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News
28 Feb 2023
Pure Storage aims FlashBlade//E at unstructured data capacity
But not the ones that need super high performance. FlashBlade//E will target use cases that need large amounts of QLC flash without the most-demands for rapid access Continue Reading
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Feature
27 Feb 2023
Unstructured data and the storage it needs
We look at unstructured and semi-structured data and find increasing amounts of production workloads that have their own storage hardware – file and object – needs, including flash Continue Reading
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News
27 Feb 2023
How Dell is future-proofing its business
Dell Technologies is building a more resilient supply chain, investing in growth areas like edge and multicloud, and responding to shifts in consumption models to position itself for long-term growth Continue Reading
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News
13 Feb 2023
Porsche revs up Formula E team with NetApp hybrid cloud
Porsche’s electric car racing team has to set up on city street courses in short order, and does it with a portable server setup and hybrid cloud storage managed by NetApp GFC Continue Reading
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News
07 Feb 2023
NetApp adds QLC C-series, new A-series and subscription upgrades
NetApp C-series QLC-based array family offers flash speed with capacity, while Advance adds subscription upgrades to owned hardware, as well as a new entry-level A-series array Continue Reading
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Feature
25 Jan 2023
Green storage: Savings to be made but tricky to achieve
Storage upgrades can bring energy savings. New hardware, the cloud and as-a-service procurement models all cut costs, but can need careful tweaking to get right Continue Reading
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News
23 Jan 2023
NGX: Turkish arrays to challenge US mainstream storage vendors
Ankara-based NGX offers block, file and unified storage with use of cache and RAM to speed access. Software-defined storage, cloud and NVMe-over-fabrics are also coming Continue Reading
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News
20 Jan 2023
DataCore software-defined storage helps car firm avoid breakdowns
Bontaz used to face regular IT outages that took too long to recover from. Then it got DataCore software-defined storage and the ability to rapidly recover from downtime Continue Reading
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Feature
19 Dec 2022
Storage hardware shortage causes and how to mitigate them
We look at the IT supply chain shortages that have hit data storage equipment, their causes and what organisations can do to work more smartly to mitigate them Continue Reading
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Feature
19 Dec 2022
Top 10 storage and backup customer stories of 2022
Here are Computer Weekly’s top 10 storage and backup customer stories of 2022 Continue Reading
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Feature
30 Nov 2022
From capex to opex: Storage procurement options bloom
We look at the growing list of possibilities when it comes to paying for storage infrastructure, ranging from upfront purchases with upgrades to pure pay-as-you-go options Continue Reading
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E-Zine
29 Nov 2022
How to stop data retention from killing the planet
In this week’s Computer Weekly, there’s a hidden environmental cost to the vast volumes of data being generated – we examine what can be done to address it. We talk to the CISO of consumer reviews site Trustpilot, about building trust in IT security. And we look at what IT leaders can do if they inherit a toxic team environment. Read the issue now. Continue Reading
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News
22 Nov 2022
Pure aims at near bare metal I/O with Portworx PX-Fast
PX-Fast is driven by customer need for scale and high performance in containerised environments and sees reworking of Portworx data architecture to slash storage access time Continue Reading
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E-Zine
22 Nov 2022
Cyber criminals target World Cup Qatar 2022
In this week’s Computer Weekly, as the FIFA World Cup opens in Qatar, we examine the cyber security threats from criminals targeting the event. We report from the Gartner Symposium on the latest predictions for enterprise software development. And we talk to the CIO of Kyiv City Council about managing IT in the shadow of war. Read the issue now. Continue Reading
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News
21 Nov 2022
Genome lab puts Vast Data’s rapid I/O to work on patient data
French government-backed SeqOIA ditched its Lustre-based storage after it reached performance limits and files got corrupted. That got fixed by a Vast Data QLC flash-based array Continue Reading
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News
17 Nov 2022
Scality Ring 9 brings Storage Accelerator enhanced flash tiers
Scality upgrade to Ring 9 of its object (and file) storage software sees enhancements to tiering, the introduction of Prometheus-based monitoring and hooks into VMware vCloud Director Continue Reading
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Feature
14 Nov 2022
The next decade in enterprise backup
Backup set to adapt to deliver more security, ransomware protection and flash-speed restores, and deal with the complexity of multi-, hybrid cloud and container-based operations Continue Reading
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News
01 Nov 2022
NetApp launches BlueXP as single console across on-prem and cloud
BlueXP gives customers monitoring and control over all NetApp storage on-site and in multiple clouds. Meanwhile, its Ontap OS has added S3 object storage access Continue Reading
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News
01 Nov 2022
Huawei pushes OceanStor’s Arm chip benefits at Paris love-in
Chinese giant trumpets green benefits on its Arm processor hardware with OceanStor Dorado V6 range, which offers huge capacities and performance at the high end Continue Reading
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News
31 Oct 2022
SoftIron’s HyperCloud to ease private cloud deployments
SoftIron claims its technology stack fully automates the provisioning of storage, compute, networking and infrastructure services, providing a fully functioning, multi-tenant cloud Continue Reading
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Definition
21 Oct 2022
EPROM (erasable programmable read-only memory)
EPROM (erasable programmable read-only memory) is memory that does not lose its data when the power supply is cut off. Continue Reading
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News
17 Oct 2022
GRAID puts RAID on a GPU for cut-price disk protection and rebuilds
US startup puts its software on Nvidia graphics cards to offload RAID processing and throughput of 110GBps throughput across up to 32 NVMe solid-state drives Continue Reading
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Feature
13 Oct 2022
Is object storage good for databases?
We look at object storage vs block access SAN storage and ask if object storage can be used for database workloads, or is it just good for bulk storage of analytics datasets? Continue Reading
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News
13 Oct 2022
Bowled out: NVMe flash pioneer Pavilion Data ceases business
Last of the pioneer NVMe flash storage array makers, Pavilion made multiprotocol highs-speed boxes – but it seems to have run out of sources of investment and gone out of business Continue Reading
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Feature
03 Oct 2022
Edge storage: What it is and the technologies it uses
Storage is moving from the datacentre to the edge. We define edge storage, look at the characteristics of edge computing that shape it and the technologies it requires Continue Reading
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News
07 Sep 2022
VMware’s vSAN 8 gets a rebuild for the solid-state storage era
At VMware Explore 2022, we interview VMware’s John Gilmartin about the new, faster vSAN, plans to use DPUs, the vSAN+ cloud offering, and VMware Ransomware Recovery Continue Reading
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News
30 Aug 2022
NetApp storage goes GA for VMware Cloud on AWS
Move will bring up to 50% decrease in TCO for customers running VMware apps in the Amazon cloud, says NetApp. No date yet for extension of the service across other public clouds Continue Reading
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Blog Post
24 Aug 2022
Flash - Aha - Saviour Of The Universe?
Rarely has the world of IT, regardless of the role within, been more united over the understanding that the IT landscape – from endpoint to data/application repository – has been changing out of ... Continue Reading
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Feature
23 Aug 2022
Bfloat16: What it is and how it impacts storage
Bfloat16 is an emerging way to handle very large numbers, developed by Google for its machine and neural learning and prediction. We look at what it means for IT and storage Continue Reading
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Opinion
18 Aug 2022
Understand the Intel Optane shutdown
Intel's upcoming shutdown of Optane follows multibillion-dollar losses. However, some technology benefits came out of the IT giant's effort to improve storage performance. Continue Reading
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Feature
18 Aug 2022
Huawei sets out its stall for a data-rich world
Businesses need to harness data effectively while keeping carbon emissions down. We see how Huawei is setting out to cope with the strains put on organisations, while mitigating the environmental impact Continue Reading
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News
15 Aug 2022
Lightbits offers NVMe-over-TCP at 5x less than NVMe-over-FC et al
Lightbits builds NVMe-overTCP SAN clusters for Linux servers with Intel cards that accelerate network processing to give millions of IOPS with storage for public and private clouds Continue Reading
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Podcast
05 Aug 2022
Podcast: How storage AIOps is revolutionising hybrid cloud ops
We talk to Tintri about storage and AIOps, which is the application of AI and machine learning-based software to monitor storage infrastructure to be able to detect patterns and predict failure, the need to upgrade, and so on Continue Reading
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Feature
29 Jul 2022
What to know about SMART SSD use
This overview of SMART attributes in SSDs explains how organizations can put them to good use. SMART SSDs provide peace of mind about device life span. Continue Reading
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News
28 Jul 2022
The verdict is Pure as Scottish prosecutor upgrades high-end storage
Scotland’s prosecution service saw disk drives in the dock every week with EMC legacy storage. Now it’s got Pure all-flash and has turned over an (Evergreen) new leaf Continue Reading
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News
18 Jul 2022
Vast Data upgrade boosts usable capacity, adds SaaS console
With improved data reduction algorithms, Vast has boosted its unstructured data storage offer, with 25% more usable data possible Continue Reading
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News
24 Jun 2022
Weka scale-out NAS v4 goes beyond just AWS to go multicloud
Weka v4’s multicloud capability means the scale-out NAS file system can work across customer datacentres and public clouds that include AWS, Azure, GCP and Oracle Continue Reading
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Podcast
21 Jun 2022
Podcast: The legacy and modern apps that drive object storage
We talk to object (and file) storage vendor Scality about the ways the application and development environment is changing and how that is driving object storage Continue Reading
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Feature
17 Jun 2022
Data gravity: What is it and how to manage it
Data gravity can attract increasing amounts of data, and brings with it onerous management overheads. We look at how to mitigate data gravity in datacentre and cloud Continue Reading
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Feature
14 Jun 2022
Unified file and object storage: Three suppliers and their approaches
We look at unified file and object storage products from NetApp, Pure Storage and Scality, the differences, the workloads aimed at, and how unified they actually are Continue Reading
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News
13 Jun 2022
Dell server, storage, PC sales grow despite component supply chain woes
Dell executives cite the company’s use of “alternative” component supply chains as server, storage and PC sales grow despite difficulties for most of the market sourcing parts Continue Reading
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News
08 Jun 2022
Pure FlashBlade//S and Evergreen//Flex boost as-a-service push
FlashBlade//S brings two new arrays in which customers can upgrade controllers and capacity, while //Flex allows capacity to be bought and moved across any QLC or TLC Pure array Continue Reading
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Definition
03 Jun 2022
solid
A solid is a state of matter that retains its shape and density when not confined. Continue Reading
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News
26 May 2022
SoftIron readies Sydney manufacturing facility
Software-defined storage supplier SoftIron is making hardware appliances in Australia to improve supply chain resilience and address security concerns of government customers Continue Reading
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Definition
11 May 2022
EEPROM (electrically erasable programmable read-only memory)
EEPROM (electrically erasable programmable read-only memory) is a user-modifiable ROM. Continue Reading
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News
11 May 2022
Pure to offer on-prem object storage as Snowflake data source
Pure Storage partnership with Snowflake will see the cloud data warehousing platform make use of on-prem FlashBlade fast file and object storage as a source for analytics data Continue Reading
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Definition
10 May 2022
program/erase cycle (P/E cycle)
A solid-state storage program/erase cycle (P/E cycle) is a sequence of events in which data is written to a solid-state NAND flash memory cell, such as the type found in a flash or thumb drive, and is subsequently erased and rewritten. Continue Reading
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Definition
26 Apr 2022
queue depth
Queue depth, in storage, is the number of pending input/output (I/O) requests that a storage resource can handle at any one time. Continue Reading
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Definition
22 Apr 2022
RAM-based solid-state drive (SSD)
A RAM-based solid-state drive (SSD) is a storage device made from silicon microchips that has no moving parts and stores data electronically instead of magnetically. Continue Reading
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Definition
22 Apr 2022
solid-state drive (SSD) capacity
Solid-state drive (SSD) capacity is the maximum amount of data that can be stored on a solid-state drive. Continue Reading
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Definition
14 Apr 2022
overprovisioning (SSD overprovisioning)
Overprovisioning, in a storage context, is the inclusion of extra storage capacity in a solid-state drive. Continue Reading
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Definition
12 Apr 2022
flash solid-state drive (SSD)
A flash solid-state drive (SSD) is a non-volatile storage device that stores persistent data in flash memory. Continue Reading
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Feature
08 Apr 2022
Storage requirements for AI, ML and analytics in 2022
We look at what is needed for artificial intelligence and machine learning, and the pros and cons of block, file and object storage to store and access very large amounts of often unstructured data Continue Reading
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Podcast
07 Apr 2022
Pure says unstructured data needs storage scale and performance
Podcast: Pure Storage says huge growth of unstructured data and its diversity means storage has to be able to scale with it and offer performance to gain insights Continue Reading
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Definition
24 Mar 2022
write amplification factor (WAF)
Write amplification factor (WAF) is a numerical value that represents the amount of data a solid-state drive (SSD) controller writes in relation to the amount of data that the host's flash controller writes. Continue Reading
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Feature
17 Mar 2022
Storage suppliers put Kubernetes platforms centre stage
How to orchestrate the orchestrator? Storage suppliers’ Kubernetes management platforms aim to meet storage and data protection challenge in containerised application environments Continue Reading
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Definition
14 Mar 2022
NAND flash wear-out
NAND flash wear-out is the breakdown of the oxide layer within the floating gate transistors of NAND flash memory. Continue Reading
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News
07 Mar 2022
Micron 7450 aims its 176 TLC layers at QLC flash use cases
New 176-layer tech brings densely packed flash cells in drives that come in 2.5”, M.2 and EDSFF form factors, aimed at datacentre workloads from archive to database storage Continue Reading
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Definition
07 Mar 2022
solid-state storage garbage collection
Solid-state storage garbage collection, or SSD garbage collection, is an automated process by which a solid-state drive (SSD) improves write performance. Continue Reading
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Feature
21 Feb 2022
Storage and 5G: Big impacts likely as wide-area topologies evolve
Enterprise 5G will boost the need for storage generally. It will also push capacity needs closer to the edge and create new locations for processing and storage Continue Reading
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Feature
09 Feb 2022
Posix vs object storage: How much longer for Posix?
We look at Posix compliance in storage and why it is being challenged by object storage and the need to scale much further than Posix-oriented storage was ever intended to Continue Reading
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Feature
07 Feb 2022
How open source is shaping data storage management
Open source data storage offers a great deal of flexibility, but unlocking its benefits will require strong technical resources to meet requirements such as stability, high availability and security Continue Reading
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News
07 Feb 2022
TV provider MediaHub boots SAN and NAS for Scality object storage
Sydney-based TV content provider MediaHub got tired of performance issues and scaling difficulties with SAN and NAS, so powered its as-a-service offer with Scality object storage Continue Reading
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News
31 Jan 2022
Nebulon SmartInfrastructure brings cloud-defined storage to datacentre
Cloud-defined storage allows customers to build private clouds on-site, with pools of storage built from commodity hardware, Nebulon PCIe cards and its browser-based console Continue Reading
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News
26 Jan 2022
Storage tech brief: Look out for PCIe gen 5 drives in 2022
PCIe 5.0 will offer bandwidth up to 128GBps per drive. We look at what’s available and when, including in the new EDSFF form factor, as well as looking forward to PCIe gen 6 Continue Reading
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Feature
24 Jan 2022
EDSFF brings built-for-NVMe connectivity to the datacentre
Aimed at enterprise use cases, EDSFF offers incredible flash density in shared storage and hyperscale deployments, but storage products that use it are still thin on the ground Continue Reading
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Opinion
11 Jan 2022
Need rapid networked storage? Take a look at NVMe-over-TCP
Lightbits helped develop NVMe-over-TCP to provide shared NVMe storage capacity over existing TCP-based networks Continue Reading
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Feature
04 Jan 2022
Understand NVMe 2.0 specification and its related features
NVMe 2.0 added several features for storage administrators to consider, including domain support. The specification also made enhancements, such as to Endurance Group Management. Continue Reading
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Blog Post
27 Dec 2021
One SSD to ruler them all
If you’re at all curious about what comes next in enterprise storage devices, you need to know about EDSFF, the Enterprise and Data Centre SSD Form Factor – better known as the “ruler” format. ... Continue Reading
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Feature
22 Dec 2021
Scale-up vs scale-out: Horizontal vs vertical scaling for storage
We look at the differences between scale-up and scale-out in storage – or horizontal vs vertical scaling – and the key ways it can be carried out on-prem and in the cloud Continue Reading
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News
21 Dec 2021
Top 10 cloud storage, DR and datacentre storage stories of 2021
Key articles from 2021 that demonstrate the growing importance of cloud storage and disaster recovery, but also the snags that lead to cloud repatriation and difficulties restoring from the cloud Continue Reading
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News
14 Dec 2021
IT priorities 2022: Ransomware and cloud drive storage and backup
The pandemic and the move to the cloud has driven cloud storage as a key priority Continue Reading
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Feature
10 Dec 2021
Edge storage: Four key points
Edge storage is driven by rapidly emerging edge computing and data gathering use cases. We look at why it makes sense to store data at the edge and the key challenges involved Continue Reading
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News
08 Dec 2021
Pure adds flagship FlashArray//XL with doubled throughput
High-end enterprise-targeted FlashArray//XL leverages latest Intel Ice Lake CPU, PCIe 4.0 and distributes SLC flash across drive modules to double throughput over existing arrays Continue Reading
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Definition
18 Nov 2021
solid-state
Solid-state is a common descriptor used to refer to electronic components, devices and systems based entirely on semiconductor materials such as silicon, germanium or gallium arsenide. Continue Reading
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News
15 Nov 2021
Video firm gets Qumulo scale-out NAS and super-fine metrics
Cognacq-Jay Image shunned Scality and Isilon to get Qumulo scale-out NAS for extremely elastic video workloads and built fine-grained metrics to troubleshoot complex processes Continue Reading
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News
10 Nov 2021
Vast Data: Big shifts promised for an AI future
Purveyor of Universal Storage says AI and GPU-based compute will dominate, and is set to benefit with its (relatively) cheap, deep and quick QLC-plus-Optane offer Continue Reading
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News
02 Nov 2021
iXsystems entry-level NAS goes hyper-converged with TrueNAS Scale
iXsystems TrueNAS can be a fraction of the cost of competitors and with a revamped operating system it can be built into clusters that can run virtual machines and containers Continue Reading
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Feature
29 Oct 2021
Five ways the hyper-converged infrastructure market is changing
We look at changes in the hyper-converged infrastructure market as suppliers go cool, go soft, disaggregate HCI nodes, provide as-a-service options and look to containers Continue Reading
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News
21 Oct 2021
NetApp Insight frames moves to public cloud and cloud native
Storage player highlights partnerships with cloud hyperscalers and development of Spot portfolio aimed at cloud-native applications, DevOps, FinOps and SecOps Continue Reading
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News
20 Oct 2021
Vast boosts QLC flash offer with ransomware-proof snapshots
Vast majors on QLC flash bulk storage with 3D Xpoint cache to smooth out traffic into sequential flows Continue Reading
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News
20 Oct 2021
Spectra Logic unveils Vail hybrid cloud storage virtualisation
Vail provides single pool of storage overlay to on-premise flash, disk and tape, plus cloud via object storage interface with Posix-compliance promised in future releases Continue Reading
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Feature
13 Oct 2021
APAC expert guide to storage management
In this expert guide to storage management in Asia-Pacific, we unpack the developments shaping storage management and key strategies to extract business value from data Continue Reading
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Opinion
04 Oct 2021
Why QLC flash adoption now benefits the enterprise
While enterprises must overcome some obstacles with QLC, there is a solid case for its use. 3D NAND has played a big part in enabling QLC use within the enterprise. Continue Reading
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News
04 Oct 2021
Nexustorage aims at file and block access to object storage
New Zealand-based startup to release Nexfs, which chops files into sub-file chunks and tiers them off to cheap and deep object stores with NFS and iSCSAI access for Posix applications Continue Reading
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Feature
29 Sep 2021
NVMe-over-fabrics: Five need-to-knows
We look at five need-to-knows about NVMe-over-fabrics, such as its implementations – RDMA, Fibre Channel and TCP – use cases, hardware and operating system support Continue Reading
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News
28 Sep 2021
Pure launches Fusion cloud control layer for storage
Pure Fusion is a storage control plane across cloud and datacentre. Portworx Data Services also launches to provide database management for container storage platform Continue Reading
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News
20 Sep 2021
Kioxia revisits SLC flash to power FL6 and rival Optane
SLC flash storage – mostly consigned to the ‘where is it now?’ pile – has been given a lease of life by Kioxia as capacity for rapid access storage-class memory applications Continue Reading
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Feature
14 Sep 2021
HDD support and Zoned Namespaces: Key takeaways about NVMe 2.0
We look at new capabilities in the most recent iteration of the NVMe flash storage standard Continue Reading
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Feature
08 Sep 2021
Dell, NetApp and Pure: Healthy results on Covid easing
Dell’s still top of the storage supplier pile with midrange arrays doing well, but meanwhile NetApp and Pure are making gains on the rise of public cloud Continue Reading
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News
06 Sep 2021
NetApp and AWS launch fully managed Ontap cloud file storage
But hybrid cloud still limited, according to NetApp. Until containerisation is widespread, applications tend to be built for the cloud or work better in the datacentre Continue Reading
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News
31 Aug 2021
More NAND SSD in fewer hands as WD $20m Kioxia bid likely
The NAND flash market could soon go from six major players to four, but the fusion of Kioxia into WD and SK Hynix with Intel’s NAND business will still leave Samsung atop the pile Continue Reading