Overview Reviews Product Description Capacity 8TB Form Factor 3.5-Inch Interface SATA Transfer Rate up to 175MB/s Disk Speed (RPM) 5640 RPM Recording Technology CMR Cache Size 128MB Certifications BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL Product Videos Custom Field Product Reviews Write a Review Write a Review × HDD 8TB WD Purple Surveillance 5640RPM 128MB WD84PURZ Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *