Dell Certified 2 TB 7200 RPM 3.5 inch Enterprise Class Serial ATA (SATA) Hard Drive W/ Tray for PowerEdge Servers. Mfr. P/N: 3WHDK Enterprise Class: 24/7 rated, 1.2M hours MTBF, 7200RPM Product: 2TB SATA Hard Drive W/ Caddy Compatibilty: PowerEdge R310, R320, R410, R415, R510, R515, R710, R320, R420, R520, R720, R720xd, T310, T410, T610, T710 , T320, T420, T620.