Western Digital 0B36404, 8 TB, Disk Format 512e, SATA/600, 7200 RPM, Buffer 128 MB, Internal, Operating Power Consumption 8.80 W. Ultrastar® hard drives feature up to 10 times the workload rating of desktop drives and employ advanced technologies for enterprise-class reliability, power efficiency and performance. Designed from the ground up to be an ultra-robust storage device.