 "WD 1TB 3.5" SATA Surveillance Storage Purple Hard Drive for CCTV DVR NVR & HOME PC System -WD10PURZ"@en
 Specification 1TB Model Number WD10PURZ Formatted capacity 1TB Form factor 3.5 inch Advance format (AF) Yes Interface transfer rate (max)   Buffer to host 6 Gb/s Host to/from drive (sustained) 110 MB/s Cache (MB) 64 Performance class / Rotational speed (RPM) 5400 RPM Class Weight (kg) 0.45
 "Western Digital 1TB Purple SATA GB/S 5400 RPM 64MB 3.5""@en " Western 3.5": WD10PURZ "@en
   Specifications: Storage Capacity 1 TB Drive Interface SATA Drive Interface Standard SATA/600 Spindle Speed (rpm) 5400 Buffer 64 MB Wireless LAN No Drive Type Internal Drive Width 3.5" Dimensions 1" x 4" x 5.8"