 "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
 "WD Purple Surveillance 1TB 64 MB Cache 3.5" SATA-III HDD (WD10PURZ)"@en "▷ WD (WD… | OcUK"@en
"1TB Capacity, 3.5 inch, SATA 6Gb/s Interface, 5400RPM Spin Speed, 64MB Cache, 3 Year Warranty."@en 