Seagate ST5000LM000 5TB 128MB SATA 6.0Gb/s (15MM) 2.5" Hard Drive
Seagate Barracuda ST5000LM000 5TB. 128MB Cache SATA III 6.0Gb/s (15MM) 2.5" 5400 RPM Internal Hard Drive. You will need to initialize and partition the drive for Windows, Mac, Linux and etc.