Samsung 840 EVO 250GB 2.5-Inch Basic SATA Solid State Drive
• 250GB USB portable external hard drive
• big capacity that fits in your pocket
• synchronized and secure
http://www.amazon.co.uk/gp/product/B00E3W1726/ref=as_li_tl?ie=UTF8&camp=1634&creative=19450&creativeASIN=B00E3W1726&linkCode=as2&tag=rechargetobd-21&linkId=JTEESYD7GU6ETJCM