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

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

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.

With so many factors to consider, choosing a motherboard can be a bewildering exercise. We put 11 models through their pace to find the ultimate in performance, flexibility and value

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

From personal printers to home office colour, we put 12 lasers through their paces. Some are lightning fast; others produce dazzling colour. Some are tiny, and some are surprisingly cost-effective.

We test nine devices, from the simplest printers to versatile multifunction devices that print, scan, copy and fax

When it comes to getting real work done, there’s still nothing to compete with a laser printer’s combination of quality, speed and economy. We tell you how to choose a busines laser, plus review 3 examples.