Western Digital Purple WD43PURZ. HDD size: 3.5", HDD capacity: 4 TB, HDD speed: 5400 RPM
Western Digital WD64PURZ. HDD size: 3.5", HDD capacity: 6 TB, HDD speed: 5400 RPM
Western Digital WD42PURZ. HDD size: 3.5", HDD capacity: 4 TB, Hybrid-HDD cache memory: 0.256 GB
Western Digital Purple WD23PURZ internal hard drive 3.5" 2 TB Serial ATA
Western Digital Purple. HDD size: 3.5", HDD capacity: 1 TB, HDD speed: 5400 RPM