HGST， a Western Digital company ULTRASTAR C10K1800 900GB 10000RPM SAS ULTRA 4KN TCG Enterprise Hard Drive SAS 128 MB Cache 2.5-Inch Internal Bare or OEM Drives， (0B30874)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>10K RPM</li><li>SAS 12Gb/s</li><li>Media cache architecture</li><li>Rotational Vibration Safeuard (RVS)</li><li>Workload detector technology</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51DuslQDgNL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41u0ZsZei8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51EW5lew5PL.jpg" noproxy>