4TB, SAS 12GB/s, 7200RPM, 3.5", 128MB, 512N SE
Western Digital Ultrastar 7K6000, 4 TB, 7200 RPM, 128 MB, 3.5", SAS
Western Digital Ultrastar 7K6000. Hard drive capacity: 4 TB, Hard drive speed: 7200 RPM, Storage drive buffer size: 128 MB, Hard drive size: 3.5", Interface: SAS