Western Digital WD Purple 4TB WD44PURZ (Surveillance) Hard Drive 2-9kg GPU: Boost Clock: Up to

GPU: Boost Clock: Up to 2475 MHz

【All-black Layout】An all-black CPU water cooler can blend seamlessly into many PC cases

Interface: USB 2

Fans installed before: 1x 140 mm

) and abundant wireless security technologies

Western Digital WD Purple 4TB WD44PURZ (Surveillance) Hard Drive 2-9kg GPU: Boost Clock: Up toProduct Type: Surveillance Hard Drive Capacity: 4 TB Form Factor: 3. 5 inch Interface: SATA Transfer Rate: Up to 175 MB s Cache: 128 MB Recording Technology: CMR (Conventional Magnetic Recording) Technology Feature: AllFrame Technology Primary Use: 24 7 Always On Surveillance Systems Workload Rating: Up to 180 TB year Camera Support: Up to 64 single stream HD cameras System Bay Support: Up to 16 drive bays MTBF (Reliability): Up to 1 million hours