Dell 300GB 2.5" 10K 12Gb SAS Hard Drive RDKH0, with Tray Caddy 

Compatible with Dell M420 M520 M620 M630 M820 Blade Server

New pull from Dell system. Fully tested. 90-Day Warranty

Dell P/N: RDKH0

Hard Drive Model: HGST HUC101830CSS204

Capacity: 300GB

Form Factor: 2.5"

Interface: 12Gb/s SAS

Rotation Speed: 10K RPM