THIS ITEM IS GENUINE IBM THINKPAD USED AS A 2ND HDD IN ANY OF THE LISTED LAPTOPS

MADE FOR ALL THESE IBM

ThinkPad R50, R50p
ThinkPad R51
ThinkPad R52
ThinkPad T40, T40p, X40
ThinkPad T41, T41p, X41t
ThinkPad T42, T42p
ThinkPad T43, T43p
Thinkpad T60, T60p, X60, X60s, X60t, Z60t, Z60m.
Thinkpad T61, T61p, X61, X61s, Z61t, Z61m
ThinkPad X4 UltraBase Dock