Seagate Enterprise Performance 10K ST300MM0048 300GB 10000RPM SAS 6. 0 GB/s 128MB 512N Enterprise Hard Drive. Mfr Part Number: ST300MM0048. Capacity: 300GB. Rotational Speed: 10000 RPM. Cache: 128 MB. Interface: SAS 6Gb/s. External Transfer Rate: 1200 MB/s. Sustained Transfer Rate (Outer to Inner Diameter): 215 to 125 MB/s. Average Latency: 2. 9 ms. Typical Operating: 6. 30 W Average Idle Power: 3. 09 W. Dimensions (WxDxH): 2. 760 x 3. 955 x 0. 591 inch / 70. 10 x 100. 45 x 15. 00 mm. Weight: 0. 481 lbs / 218. 0 g.