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