![WD Blue 4 TB 3.5 Inch Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache : Amazon.co.uk: Computers & Accessories WD Blue 4 TB 3.5 Inch Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/71HPxuulIjS._AC_SL1500_.jpg)
WD Blue 4 TB 3.5 Inch Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache : Amazon.co.uk: Computers & Accessories
![Western Digital Blue 500 GB Laptop Hard Disk Drive (5400 RPM, SATA 6 Gb/s, 2.5 inch) - Component Boxed : Amazon.co.uk: Computers & Accessories Western Digital Blue 500 GB Laptop Hard Disk Drive (5400 RPM, SATA 6 Gb/s, 2.5 inch) - Component Boxed : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/81yHZDfM3GL.jpg)
Western Digital Blue 500 GB Laptop Hard Disk Drive (5400 RPM, SATA 6 Gb/s, 2.5 inch) - Component Boxed : Amazon.co.uk: Computers & Accessories
![Hitachi (HGST) 500gb 500 GB 2.5 Inch 5400 RPM Sata Hard Drive Thin 7MM For Laptop/PS3/Mac - 3 Years Warranty : Amazon.co.uk: Computers & Accessories Hitachi (HGST) 500gb 500 GB 2.5 Inch 5400 RPM Sata Hard Drive Thin 7MM For Laptop/PS3/Mac - 3 Years Warranty : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/41jQSjgf+fL._AC_SS450_.jpg)
Hitachi (HGST) 500gb 500 GB 2.5 Inch 5400 RPM Sata Hard Drive Thin 7MM For Laptop/PS3/Mac - 3 Years Warranty : Amazon.co.uk: Computers & Accessories
![Hitachi 320gb 320 GB 2.5 Inch 5400 RPM Sata Hard Drive Thin 7MM For Laptop/PS3/Mac - 1 Year Warranty : Amazon.co.uk: Computers & Accessories Hitachi 320gb 320 GB 2.5 Inch 5400 RPM Sata Hard Drive Thin 7MM For Laptop/PS3/Mac - 1 Year Warranty : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/51DeWDR1PnL._AC_SS450_.jpg)