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Toshiba 4TB 500GB SATAIII 4000go Serial ATA III; 4000 GB; 7200 RPM; Serial ATA III, Hard drive – 3.5 "Hard Drives (128 MB, Hard drive) : Amazon.co.uk: Computers & Accessories
Seagate FireCuda HDD, 4 TB, Internal Hard Drive HDD - 3.5 Inch CMR SATA 6 Gb/s 7,200 RPM 256 MB Cache 300 TB/year, 3 year Rescue Services (ST4000DXZ05) : Amazon.co.uk: Computers & Accessories
Seagate IronWolf Pro 4TB HDD optimal for NAS Usage
Western Digital WD Black 4TB,Internal,7200 RPM,8.89 cm (3.5") (WD4003FZEX) Desktop HDD for sale online | eBay
Toshiba N300 4TB NAS HDD/Hard Drive 7200rpm LN119338 - HDWG440UZSVA | SCAN UK
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Seagate IronWolf Pro, 4 TB, NAS Internal Hard Drive, CMR 3.5 Inch, SATA 6 Gb/s 7,200 RPM, 256 MB Cache, for RAID Network Attached Storage, 3 years Rescue Services, FFP (ST4000NE001) :
693720-001, Hewlett Packard Enterprise 4TB hot-plug SATA hard disk drive - 7,200 RPM, 6Gb per second transfer rate, 3.5-inch large form factor (LFF), midline (MDL), SmartDrive carrier (SC) | EET
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WD Black 4TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch : Amazon.co.uk: Computers & Accessories
Toshiba N300 4TB NAS Internal Hard Drive 7200 RPM SATA 6Gb/s 128 MB Cache 3.5inch - AV Mall Pakistan
EMC/Isilon 4TB SATA 7200 RPM 6Gbps Hard Drive 0F19459 w/ Tray X410 X System. Qty | eBay