WD Purple WD44PURZ 4TB Hard Drive 128MB Cache- 3.5" Internal - SATA (SATA/600)

WD Purple WD44PURZ 4TB Hard Drive 128MB Cache- 3.5" Internal - SATA (SATA/600)

Specification Details Capacity 4TB Form Factor 3.5-Inch Connector SATA Interface SATA Transfer Rate Up to 175MB/s Disk Speed (RPM) — Recording Technology CMR Cache Size 256MB Warranty 3-Year Limited Warranty Dimensions (L x W x H) 147mm x 101.6mm x 26.1mm Weight 570g Model Number WD43PURZ Operating Temperature 0°C to 65°C Non-Operating Temperature -40°C to 70°C Certifications BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL Product Features Engineered for mainstream surveillance systems; WD AllFrame technology for write-intensive, low bit-rate, high stream-count workloads; supports up to 180TB/yr workload rate and up to 16 bays Compatibility Up to 64 HD cameras; up to 16 drive bays; AllFrame firmware technology