High Quality Content by WIKIPEDIA articles! The Western Digital Raptor (often marketed as WD Raptor) or VelociRaptor is a series of high performance hard disk drives produced by Western Digital. The drive currently occupies a niche in the enthusiast, workstation and small-server market. Traditionally, the majority of servers used hard drives featuring a SCSI interface because of their advantages in both performance and reliability over consumer-level ATA drives.