WD180EJRX

Capacity: 18TB ( 3.5 inches--SATA )

Spindle Speed (RPM): 7200

Dimensions: L x W x H

147mm x 101.6mm x 26.1mm

Weight : 690g

With an MTBF of up to 1 million hours,3 WD Purple hard drives are built for mainstream surveillance digital video recorders (DVRs) and network video recorders (NVRs) that run 24×7.

Expand your picture to 64 single-stream HD cameras, with up to 64 cameras per drive, for surveillance security systems with more than 8 bays.

Active storage management through WDDA

With a workload rate of up to 180TB/year2 - three times that of a desktop hard drive - WD Purple drives are built to meet the unique demands of mainstream video surveillance digital video recorder (DVR) and network video recorder (NVR) systems.