HGST  4TB SAS 7.2K 3.5" 6Gbps  Server Hard Drive HDD 

Drive only no tray included

Capacity: 4TB

Speed: 7,200RPM

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Sustained Throughput: 600MBps

Average Seek Time: 8.2m

On-Board Cache: 64MB

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