This IBM / Seagate 9X1004-139 / ST3300007FC 30 GB Fiber Channel hard drive runs at 10,000 (10k) RPM. It comes working from an operational IBM storage server installation. It will ship in an anti-static bag ready for installation in your system.

 
Please see this listing if you want the IBM model that includes the hard drive tray model 22R5947: http://www.ebay.com/itm/131874020602