 "Seagate 4TB 3.5" ST4000DX001 SSHD Solid State Hybrid Drive 8GB MLC Nand 64MB Cache"@en Cache LN54368 | SCAN UK"@en
"4TB Seagate ST4000DX001 3.5" SSHD Solid State Hybrid Drive 8GB MLC Nand 64MB Cache 8ms OEM NCQ                           "@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