Lenovo Hard drive - hot-swap, 300 GB, Drive Transfer Rate 1.2 GBps (external), 15000 rpm, 1 x SAS 12 Gb/s, 2.5" SFF, Lenovo Storage V3700 V2 SFF Control Enclosure, V3700 V2 SFF Expansion Enclosure, V3700 V2 XP SFF Control Enclosure. 01DE347 Lenovo 300GB 15K RPM SAS 12GBPS 2.5Inch Hot Swap Hard Drive With tray For Storwize V3700 V2.