Specifications Capacity 2TB 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) 5.79" x 4" x 1.03" Weight 450gms Model Number WD23PURZ 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 delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications 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