WD 6TB Red Pro NAS Hard Drive SATA 6Gb/s 3.5" 256MB (WD6003FFBX)
Western Digital WD60PURX New Factory Sealed
Western Digital 6TB WD NAS Internal Hard Drive
Seagate Barracuda 6TB 3.5" 6000 GB Serial ATA III | boxxe
Synology HAT3300-6T Plus Series 6TB SATA Hard Drive for NAS w/ 5400RPM 6Gb/s 256MB Cache
WESTERN DIGITAL ULTRASTAR 3.5" 6TB SATA INTERNAL HARD DRIVE | DC HC310 B36111 | eBay
Seagate ST6000NM0034 Enterprise 6 TB Internal Hard Drive - Black : Amazon.co.uk: Computers & Accessories
Western Digital Black 6 TB 3.5" 7200 RPM Internal Hard Drive (WD6002FZWX) - PCPartPicker
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