.Maxtor, Seagate, Western Digital.

• n/a

• ST3500641A-RK - Price Check(Street Price $99) - Seagate Internal Hard Drive, EIDE interface ATA-100, 500GB, 7200RPM, 16MB cache, Retail kit (cable, disc utility CD, install guide, screws), Barracuda 7200.9 series

• ST3120814A - Price Check(Street Price $55) - Seagate Internal Hard Drive, Barracuda 7200.9 series, 120GB, EIDE interface, ATA-100, 7200RPM, 8MB cache

Drives

• WD400BB - Price Check (street price $49) - 40 GB EIDE Hard Drive, 7200RPM, UltraATA/100, 8.9 ms, Caviar High Performance
• WD800JB - Price Check (street price $49) - WD Caviar 80GB EIDE HD 7200/8MB/8.9/ATA-100
• WD800BB - Price Check(Street Price $49) - Hard Drive, 80 GB EIDE, 7200RPM, UltraATA/100, 8.9 ms, Caviar High Performance, 10-pin drive jumper

Kits

• WD3200JBRTL - Price Check(Street Price $69) - Western Digital Hard Drive, retail kit, Internal WD Caviar SE drives, EIDE interface, 7200RPM, 8mb buffer, ATA/100, 8.9 ms, 320GB
• WD5000JBRTL - Price Check(Street Price $85) - Western Digital WD5000JB-Retail 500GB EIDE Caviar SE Hard Drive for Desktop PC, ATA-100, 7200RPM

Notes:

• EIDE drives lower then ATA/66 use the 40-wire cables, 
  ATA/66 and larger use the 80-wire cables, both cables use a 40-pin connector.
• How to partition and format a hard drive.