WD2500YD - Western Digital Caviar Re 250GB 7200RPM SATA 3GB/s 7-Pin 16MB Cache 3.5-inch Low Profile (1.0 inch) Hard Drive

Because desktop drives offer high capacity at a lower-than-SCSI cost, an unprecedented number of RAID systems are being designed around desktop drives. But life in a desktop computer does not compare to the extreme environment in an always-on, high duty cycle RAID system. What's needed is a drive engineered to thrive in a high-intensity RAID system while still offering traditional desktop value. That drive is the WD Caviar RE. Designed and manufactured to enterprise-class standards, WD Caviar RE drive provides enhanced reliability in a 24x7, high duty cycle environment. WD Caviar RE hard drive is ideal for RAID server applications such as video surveillance, enterprise backup, document management, scientific computing, and similar demanding storage environments.