Western Digital 20-pack 10TB Ultra 4KN SE HE10 SAS 7200RPM 256MB 3.5 inch 26.1MM

UltraStar ES 3.5 4TB SAS 256MB 72000RPM 512E

Western Digital Part# 0B36048

Hard Drives - New Additions – Hard Drive - 256 MB Buffer - Ultrastar 7K6 - SAS - 12Gb/s SAS Drive Interface Standard - 7200 Spindle Speed (rpm) - Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) - ...

ULTRASTAR HE10 3.5 8TB SATA 12Gb/s

Western Digital Part# 0F27612

Hard Drives - Internal – Hard Drive - 256 MB Buffer - Ultrastar He10 - SATA - SATA/600 - 7200 Spindle Speed (rpm) - Internal - 3.5" Form Factor - 8 TB Storage Capacity - 550 TB Endurance (TBW) - Thailand - 1" Height - 4" Width