Dell DELL ENTERPRISE CLASS 4TB 7.2K RPM SAS 3.5" 6Gbps HARD DRIVE W/TRAY FOR PowerEdge R210 II R220 R310 R320 R410 R415 R420 R510 R515 R520 R710 R720 R720XD T110 II T310 T320 T410 T420 T620 T710The Dell 4TB enterprise hard drive is built for capacity storage, backups and bulk data. It uses a 6Gb s SAS interface in a 3. 5" form factor. Specifications Capacity: 4TB Interface: SAS 6Gb s Form Factor: 3. 5" Rotational Speed: 7,200 RPM (7. 2K) Brand: Dell Compatibility: Compatible with R210, R220, R310, R320, R410, R415, R420, R510 systems. Condition: Genuine, fully tested, backed by warranty. Shipping: Free worldwide delivery (DDP) all duties,