M5989 - Dell - Dimension 8400 Front USB Board M5989 - Dell - Dimension 8400 Front USB Board $49.20 $40.00
T7670 - Dell - System Board (Motherboard) for Dimension 8400 T7670 - Dell - System Board (Motherboard) for Dimension 8400 $420.32 $356.20
M8970 - Dell - System Board Motherboard for Dimension 8400 M8970 - Dell - System Board Motherboard for Dimension 8400 $128.92 $109.25
0T7670 - Dell - System Board (Motherboard) for Dimension 8400 0T7670 - Dell - System Board (Motherboard) for Dimension 8400 $420.32 $356.20
0T7785 - Dell - System Board (Motherboard) for Dimension 8400 0T7785 - Dell - System Board (Motherboard) for Dimension 8400 $323.31 $273.99