Seagate Skyhawk, 6TB, Video Internal Hard Drive, 3.5", SATA, 6Gb/s, 256MB Cache, for DVR/NVR Security Camera System, with Drive Health Management, 3 year Rescue Services, FFP (ST6000VXZ01) : Amazon.co.uk: Computers & Accessories
WD Purple 6TB Surveillance 3.5 Inch Internal Hard Drive - Allframe 4K - 180TB/yr, 64MB Cache, 5640 RPM Class : Amazon.co.uk: Computers & Accessories
Synology HAT3300-6T Plus Series 6TB SATA Hard Drive for NAS w/ 5400RPM 6Gb/s 256MB Cache
Seagate BarraCuda 6 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256 MB Cache for Computer Desktop PC (ST6000DM003) : Amazon.co.uk: Computers & Accessories
Seagate Skyhawk 6TB Surveillance Hard Drive - SATA 6Gb/s 128MB Cache 3.5-Inch Internal Drive (ST6000VX0023) - UKPLUS
Toshiba P300 6TB 128MB 6.0 Gb/s SATA III PC Internal Hard Drive - HDWD260UZSVA
Western Digital WD60PURX New Factory Sealed
HUS726060ALE614 HGST ULTRASTAR 6TB 7.2K 6G LFF 3.5" SATA INTERNAL HARD DRIVE
Seagate Barracuda 6TB 3.5" 6000 GB Serial ATA III | boxxe
Western Digital 3.5 inch 6TB SATA Intellipower Internal Desktop Hard Drive - Green : Amazon.co.uk: Computers & Accessories