Lenovo Hdd Sed 7XB7A00031, Capacity 600 GB, Form Factor 2.5", Interface SAS 12Gb/s, Data Transfer Rate 1.2 GBps, Spindle Speed10000 rpm, Designed ThinkSystem SN550 (2.5"); SN850 (2.5"); SR530 (2.5"); SR550 (2.5"); SR570 (2.5"); SR590 (2.5"); SR630 (2.5"); SR645 7D2X (2.5"); SR650 (2.5"); SR665 7D2V (2.5"); SR850 V2 7D32 (2.5"); SR860 (2.5"); SR860 V2 7Z60 (2.5"); ST550 (2.5"). Lenovo 2.5" 600gb Sas 512n Hdd Sed (7XB7A00031).