![WD Red 4TB NAS 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, SMR, 256MB Cache : Amazon.co.uk: Computers & Accessories WD Red 4TB NAS 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, SMR, 256MB Cache : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/41KyJneSJoL.jpg)
WD Red 4TB NAS 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, SMR, 256MB Cache : Amazon.co.uk: Computers & Accessories
WESTERN DIGITAL WD40EFRX 4TB RED NAS SATA 64MB 3.5" HARD DRIVE | SURPLUSDRIVESUK LTD - "Europe's Trusted Supplier of Hard Drives"
WESTERN DIGITAL WD40EFRX 4TB RED NAS SATA 64MB 3.5" HARD DRIVE | SURPLUSDRIVESUK LTD - "Europe's Trusted Supplier of Hard Drives"
![Western Digital WD Red 4TB,Internal,5400 RPM,8.89 cm (3.5") (WD40EFRX) Hard Drive for sale online | eBay Western Digital WD Red 4TB,Internal,5400 RPM,8.89 cm (3.5") (WD40EFRX) Hard Drive for sale online | eBay](https://i.ebayimg.com/images/g/-NMAAOSw63Vj0Rho/s-l225.jpg)
Western Digital WD Red 4TB,Internal,5400 RPM,8.89 cm (3.5") (WD40EFRX) Hard Drive for sale online | eBay
![Western Digital 4TB Intellipower SATA 6Gb/s 64 MB Cache 3.5-Inch NAS Desktop Hard Disk Drive - Red (WD40EFAX) : Amazon.co.uk: Computers & Accessories Western Digital 4TB Intellipower SATA 6Gb/s 64 MB Cache 3.5-Inch NAS Desktop Hard Disk Drive - Red (WD40EFAX) : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/8169mVY5F4L._AC_UF1000,1000_QL80_.jpg)
Western Digital 4TB Intellipower SATA 6Gb/s 64 MB Cache 3.5-Inch NAS Desktop Hard Disk Drive - Red (WD40EFAX) : Amazon.co.uk: Computers & Accessories
![WD Red Pro 4TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR, 256MB Cache, 5 Year Warranty : Amazon.co.uk: Computers & Accessories WD Red Pro 4TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR, 256MB Cache, 5 Year Warranty : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/81HGnY1dLCL._AC_UF1000,1000_QL80_.jpg)
WD Red Pro 4TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR, 256MB Cache, 5 Year Warranty : Amazon.co.uk: Computers & Accessories
![WD Red Plus 4TB NAS 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, CMR, 256MB Cache, 3 Year Warranty : Amazon.co.uk: Computers & Accessories WD Red Plus 4TB NAS 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, CMR, 256MB Cache, 3 Year Warranty : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/41y4coLZdNL.jpg)
WD Red Plus 4TB NAS 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, CMR, 256MB Cache, 3 Year Warranty : Amazon.co.uk: Computers & Accessories
![Western Digital WD Red 4TB,Internal,5400 RPM,8.89 cm (3.5") (WD40EFRX) Hard Drive for sale online | eBay Western Digital WD Red 4TB,Internal,5400 RPM,8.89 cm (3.5") (WD40EFRX) Hard Drive for sale online | eBay](https://i.ebayimg.com/images/g/UMMAAOSwGw1j0Rho/s-l1600.jpg)