Seagate Series Barracuda 7200.7 SATA Model ST3120827AS Performance 120GB Cache 8MB 7200 RPM Average Seek Time 8.5ms Average Latency 4.16ms Interface Serial ATA150 Physical Spec Form 3.5" Features SATA interface with NCQ 350 Gs non-op shock 3D Defense System Manufacturer Warranty 5 Years ....................................................$101.99

Western Digital Series Caviar Model WD800BB Performance 80GB Cache 2MB 7200 RPM Average Seek Time 8.9ms Average Latency 4.2ms Interface IDE Ultra ATA100 Physical Spec Form 3.5" Features Quiet Drive Technology Manufacturer Warranty 1 Year ......................................................$61.99

Western Digital Series Caviar SE Model WD1600BB Performance 160GB Cache 8MB 7200 RPM Average Seek Time 8.9ms Average Latency 4.2ms Interface Ultra ATA100 Physical Spec Form 3.5" Manufacturer Warranty 3 years ............................................... $88.99