Seagate enterprise capacity ST2000NX0273 2TB 7200Rpm SAS 12.0 Gb/s 128MB enterprise hard drive. Mfr Part Number: ST2000NX0273. Capacity: 2 TB. Rotational speed: 7200 RPM. Cache: 128 MB. Interface: SAS 12GB/s. Max sustained transfer rate: 136 MB/s. Average latency: 4.16 ms. Idle power: 3.53 W. Typical operating, random read: 6.02 W. Powerchoice technology (standby): 1.52 W. Power supply requirements: +12V and +5V. Mtbf: 1, 400, 000 hours. Dimensions (WxDxH): 2.760 x 3.955 x 0.591 inch/ 70.10 x 100.45 x 15.00 mm. Weight: 0.437 lbs/ 198.0 g.