 "WD Red 6TB 5400rpm SATA 6Gb/s 64MB Cache HDD OEM (WD60EFRX)"@en "▷ WD (WD60EFRX) | OcUK"@en
"6TB Capacity, SATA 6GB/s Interface, Optimal compatibility for NAS systems,  3 Year Warranty"@en 
 "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