This seems a really good price for this. Use code orange10 to get it at this price. Link takes you to white but also available in 4 other colours. Smaller 120 GB available also for £25.20 after code.
Ideal for people on the move, the S1 Mini External Hard Disc Drive is Samsung's smallest portable hard drive to date. The ultra compact hard drive is barely larger than a credit card. Store and back-up important files, the S1 Mini is convenient to carry around, it will easily slip into your bag, or pocket. The sleek device comes with it's own storage pouch which protects your stunning, high gloss S1 Mini from scuffs, dust, and scratches. The device plugs into your computer via USB, the hard drive draws power from your computer, eliminating the need for an additional power pack. The S1 Mini external hard drive features auto backup and SecretZone™, a feature that encrypts and stores data on a virtual drive.