Seagate Enterprise Performance 10K ST900MM0168 900GB 10000RPM SAS 12.0 GB/s 128MB 512N Enterprise Hard Drive. Mfr Part Number: ST900MM0168. Capacity: 900 GB. Spindle Speed: 10000 RPM. Cache: 128 MB. Interface: SAS 12Gb/s. External Transfer Rate: 1200 MB/s. Sustained Transfer Rate (Outer to Inner Diameter): 215 to 108 MB/s. Average Latency: 2.9 ms. Typical Operating: +5V @ 0.44A / +12V @ 0.42A, Typical Operating: 7.25 W, Average Idle Power: 4.26 W. Dimensions (WxDxH): 2.760 x 3.955 x 0.591 inch / 70.10 x 100.45 x 15.00 mm. Weight: 0.426 lbs / 193.0 g This drive is compatible with any server that accepts 2.5"x15mm (SFF) SAS drives.