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Seagate Unveils World's Biggest External HDD At 4TB

Seagate has smashed the storage capacity barrier again today by launching an external hard disk drive with a 4TB capacity, one year after having launched the world's first 3TB drive.

Like the latter, the 4TB model is part of the FreeAgent GoFlex family under the moniker STAC4000100 although it comes with a completely different design. The drive is already available from Seagate's US website for $249.99 (check the product page here) and should be available from select online retailers across the pond within one month.

The GoFlex 4TB uses four 1TB 3.5-inch platters with an areal density of 625Gb per square inch, spins at 5400RPM and has 32GB cache (rather than 64GB). That said, even with a rather low spinning speed, it should, in theory, outperform faster spinning hard disk drives from 2007 or 2008.

As expected, it is also preloaded with a backup and storage management software called Seagate Dashboard that allows it to continuously back up data and encrypt files on the fly. Also in the pack is a USB 3.0 adapter that's backward compatible which includes an illuminated capacity gauge.

Seagate hasn't confirmed when the hard disk drive will go on sale outside the US. The price of 2TB hard disk drives has been falling steadily over the past six months with the cheapest models available from under £50.

3TB models still carry a significant premium at around twice the price despite offering only 50 per cent extra capacity, and it is likely that the introduction of a 4TB hard disk will make the issue of backing up even more problematic.

Désiré has been musing and writing about technology during a career spanning four decades. He dabbled in website building and web hosting when DHTML and frames were en vogue and started writing about the impact of technology on society just before the start of the Y2K hysteria at the turn of the last millennium. Following an eight-year stint at where he discovered the joys of global tech-fests, Désiré now heads up TechRadar Pro. Previously he was a freelance technology journalist at Incisive Media, Breakthrough Publishing and Vnunet, and Business Magazine. He also launched and hosted the first Tech Radio Show on Radio Plus.