 "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
 "Seagate BarraCuda 2TB 7200RPM SATA 6Gb/s 64MB Cache HDD - OEM (ST2000DM006)"@en "▷ Seagate OE… | OcUK"@en
"Part of the Compute Guardian Range, 2TB Capacity, 3.5 inch, SATA 6Gb/s Interface, 7200RPM Spin Speed, 64MB Cache, 2 Year Warranty,"@en 