Admittedly hard drives aren't exactly "cool", but they have a purpose, perhaps best described as the unsung heroes of the gadget family - making sure all that precious data is kept safe and sound.

In view of this, if you haven't already, you might be thinking of investing in a bit of extra external memory - which is where today's tech deal might come in handy. has a voucher code available which will enable you to get a decent 10% discount on hard drives at Comet. The selection seems to be a good one, but if you want to take advantage of the offer you'll have to be quick as it finishes on the 8 January.

If this is all too much of a rush then bear in mind that this is only one of many offers available at the moment, so for the deal mentioned as well as some others you might be interested in click through on this Comet vouchers link.