WD Ultrastar DC HC550 WUH721818ALE6L4 512MB 18TB18 TB, 3.5 inches, 7200 RPM, S-ATA 6Gb/s, S-ATA£295.00
WD My Cloud EX2 Ultra 8TB8 TB, 2 ​, Built-in hard drive, 2 (Dual) Core, RAID 0, RAID 1, JBOD(1)£294.43
WD My Cloud EX2 Ultra 16TB16 TB, 2 ​, Built-in hard drive, 2 (Dual) Core, RAID 0, RAID 1, JBOD£479.90
WD My Cloud EX2 Ultra 4TB4 TB, 2 ​, Built-in hard drive, 2 (Dual) Core, RAID 0, RAID 1, JBOD£249.30
WD My Book Duo 12TB12 TB, 3.5 inches, Mains, 5400 RPM, 3.1 (Gen 1), 2 ​, RAID 0, RAID 1, JBOD£336.39
WD Blue 3D NAND SSD 2.5" SATA III 500GB500 GB, 2.5 inches, S-ATA 6Gb/s, 560 MB/s, 530 MB/s, S-ATA(2)£22.78
10 Pack of Black Zinc Laptop Hard Drive Screws will fit nearly all makes and models of 2.5" Ide & Sata Drives, Toshiba,Fujitsu, Ibm Travelstar, Seagate, Western Digital, Samsung, Generic. Size M3x3MM PM3X3.0 M3X3L by LaptopScrewsDirect£3.99