Western Digital Caviar SE (WD2500JB) 250GB 8MB Cache 7200RPM IDE / ATA-100 0PATA) 3.5" Internal Desktop Hard Drive - [Certified Refurbished] w/1 Year Warranty 250GB Capacity, 7200RPM Rotation Speed, 8MB Cache 3.5" Internal Hard Drive, PATA (IDE / ATA-100) Interface Works for PC, Mac with IDE (PATA) interface. Passed Factory Diagnostic Software + RE-CERTIFIED by State-of-the-Art software - Full "Sector-by-Sector" test to ensure best HDD quality! ZERO Bad Sectors! Worry Free Return! 100% Full Refund