4 TB, 3.5", SATA 6Gb/s, 5400 RPM, 64MB
Western Digital Purple, 4 TB, 5400 RPM, 64 MB, 3.5", Serial ATA III
Western Digital Purple. Hard drive capacity: 4 TB, Hard drive rotational speed: 5400 RPM, Storage drive buffer size: 64 MB, Hard drive size: 3.5", Standard connectivity: Serial ATA III