Year-on-year laptop revenue rose by almost a quarter, while servers, data storage hardware and desktop PCs all notched up two per cent increases.
Dell warned in a statement that its results could be "adversely impacted by more conservative spending by its customers".
Economists believe that the world's second largest PC manufacturer is more exposed to a downturn than its rivals HP and IBM because of a greater dependence on the US market where spending on technology is expected to slow.