Is your PC’s hard disk getting cramped? Invest in an external hard disk and never again worry about running out of room.

High-capacity desktop drives have never been so affordable. Darien Graham-Smith puts 23 to the test to find the best

All the power of a desktop PC in a fraction of the space. We put a selection of desktop replacements to the test.

All the power of a desktop PC in a fraction of the space. We put a selection of desktop replacements to the test.

From Celerons to Core i7s, Semprons to Phenom IIs, David Bayon tests Mainsteam desktop processors and finds the best budget, mid-range and enthusiast (gaming) choice for you.

There may be two main CPU manufacturers, but picking the right processor is anything but simple. We put 51 CPUs through their paces

All the current chipsets from both the big gaming guns – ATi and Nvidia – tested, reviewed and rated.

Fifteen security packages go head to head in our labs test, including Kaspersky, Norton, ZoneAlarm, McAfee, F-Secure and AVG. Find out which will keep you safe and which could let you down.

Portability is key for these light laptops. We test six featherweights from just $1486 to more than $2500.

External hard disks are a great way to add storage. We test 13, from sub-$130 portable drives to mighty terabyte desktop units.

Ultra-mobile PCs are the future of mobile computing according to Microsoft. Ross Burridge looks at the devices and the technology

Play your video, photo and music files on your TV from a networked PC. We put five network players to the test