Dell saw profits leap by 177% to $927m (£577m) in the three months to January 2011, compared to the same quarter in 2010. Sales at the company grew 5% to $15.7bn during the same period.
CEO Michael Dell (pictured) said he was pleased with the company's strong performance in its commercial businesses.
"We remain focused on developing and acquiring new technologies and capabilities, and our IT solutions portfolio has never been stronger. Customers are now seeing Dell in a fresh light, and we're heading into the new year with strength and optimism," he said.
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Profitability improved notably in the second half of the year driven by solid supply-chain performance, lower input costs and improved product quality, said the company.
Fourth-quarter server revenue increased 16%, while EqualLogic storage sales grew 49%. Combined sales to enterprises, public sector, and small and mid-size businesses were up 9% to $12.4bn, while revenue for commercial laptop and desktops rose 10%.