HDD SATA 4TB Seagate Iron wolf NAS 5400RPM (ST4000VN006)Description for Seagate 4TB Ironwolf NAS Internal Hard Drive, SATA 6Gb/s 3.5'', 256MB Cache, 600 MBps Data Transfer Rate, ‎5900 RPM, Serial ATA-..

HDD SATA 4TB SYNOLOGY Plus | HAT3300-4T4TB Storage Capacity3.5" Form FactorSATA III 6 Gb/s Interface256MB Cache5400 rpmUp to 202 MB/s Sustained Transfer Rate1 Million Hours MTBF180TB Yearly Workload R..

Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD40EFPXHard disk interface Serial ATA-600Connectivity technology SATABrand Western Digita..

Engineered for Surveillance: WD Purple drives are built for always-on environments, ensuring they can handle the demands of high-definition surveillance systems.AllFrame™ Technology: Exclusive to WD P..