Seagate Cheetah 10K.6 ST3146807LCV 146GB 3.5" 10000 RPM 16MB Cache Ultra320 SCSI 80-Pin Internal Server HDD Hard Disk Drive 9V2009-021. The Cheetah 10K.6 is Seagates sixth-generation 10K RPM high performance high capacity disc drive. With the fastest interfaces the highest reliability and the most mature product design the Cheetah 10K.6 enables the lowest ownership cost. In data intensive environments increasing the capacity per disc drive lowers ownership costs by deploying fewer systems that use less cubic feet of space requiring less infrastructure such as cabinets HBAs and less wattage of power.