Western Digital RE WD2500YS Hard Drive - 250GB - 7200rpm ...

WD RE 7200 RPM hard drive is engineered to thrive in a high duty cycle RAID system while still offering traditional low cost-per-capacity desktop value. Designed and manufactured to server-class standards, WD RE drive provide RAID-specific, time-limited error recovery (TLER) to significantly reduce drive fallout caused by extended drive error-recovery processes.