Generic 3.5" SATA Desktop Hard Drive for PC, Mac, CCTV DVR, NAS, RAID (500GB) : Amazon.co.uk: Computers & Accessories
Amazon.com: WD 8TB My Book Duo Desktop RAID External Hard Drive HDD, USB 3.1, With Password Protection and Auto Backup Software - WDBFBE0120JBK-NESN : Electronics
The VivoMini VC65R squeezes quad-drive RAID into a mini PC - Edge Up
San Disk SDPH34H-024T-NBAAB G-RAID Shuttle 4 Desktop Drives, Storage Capacity: 24 Tb