http://www.ebay.in/itm/LENOVO-USB-PORTABLE-500GB-HARD-DISK-DRIVE-/261210594726 Apply Coupon Code :BATBALL246 ( get free gift intex optical mouse)/Use bank specific coupons like ICICI and HDFC and get it for Rs.2774 Product Description Lenovo USB Portable – Hard drive – 500 GB – external ( portable ) – USB 2.0 – 5400 rpm – glossy – for ThinkPad T430; T530; X1 Carbon; X13X; X230; X230 ; ThinkStation E31 Type Hard drive – external ( portable ) Capacity 500 GB Interface USB 2.0 Data Transfer Rate 480 Mbps Spindle Speed 5400 rpm Power Source Additional USB, USB bus Enclosure Color Glossy Approximate Dimensions (WxDxH) 3 in x 4.8 in x 0.6 in Approximate Weight 5.4 oz Manufacturer Warranty 1 year warranty Designed For ThinkCentre A70; ThinkCentre Edge 71; 91; ThinkCentre M70; M71; M80; M81; M91; ThinkPad Edge 11; E12X; E32X; E330; E42X; E430; E52X; E530; ThinkPad L420; L430; L520; L530; T420; T430; T520; T530; W520; W530; X1; X1 Carbon; X12X; X13X; X220; X220 Tablet; X230; X230 Tablet; ThinkStation C20; E30