Good Gear Guide
Western Digital VelociRaptor: 10K spin speed for w...
VelociRaptor packs the highest capacity of any Raptor to date, despite being physically smaller, and it also consumes less power than the previous Raptor. This is primarily due to the motors spinning physically smaller platters and the heads not having to travel as far to access data.
Western Digital VelociRaptor: 10K spin speed for workstations and gaming PCs