80GB Western Digital Caviar Blue 3.5-inch IDE/PATA desktop hard drive (7200rpm, 8MB cache) 80GB IDE/PATA 3.5-inch desktop hard drive for older computer systems 7200rpm rotation speed and with 8MB built-in cache Western Digital WD Caviar Blue Series Suitable for many older desktops with IDE/PATA hard drive ATA-100 WD800AAJB - from Western Digital