Western Digital Caviar SE
Western Digital Caviar SE WD5000AAJB 500GB 7200 RPM 8MB Cache IDE Ultra ATA100 Hard Drive - OEM

u$s 120.00

Maxtor MaXLine Pro
Maxtor MaXLine Pro 500 7H500F0 500GB 7200 RPM 16MB Cache SA

u$s 130.00