500GB encrypted hard drive - For T920, T1500, T1530, T25X0 rev B models only and for T930 and T3500 rev A and rev BOEM Ready To Ship!
HP L2Y22-67004 500GB encrypted hard drive - For T920, T1500, T1530, T25X0 rev B models only and for T930 and T3500 rev A and rev B