Dell Dimension 8400 Optiplex Gx280 Processor Heatsink Cn-0w4254 for sale online | eBay
Heatsink for CPU - Socket LGA775 - Dell 0W4254 W4254
Dell Dimension 8400 Upgrades (hardware and OS) - YouTube
Dell U7077 - Desktop Motherboard for Dimension 8400
Dell Dimension 8400 PSU replacement | AVForums
Support for Dimension 8400 | Drivers & Downloads | Dell UK
Dell Dimension 8400 J3492 Motherboard System Main Board US Seller Fast Shipping | eBay
Got these 3 dell towers the other day . All of them have Windows XP on them. The two towers are a Dimension 8300 and a Dimension 8400. Both have a Pentium
Dell Precision T3400 240GB SSD Intel® Core™2 Duo E8400 4GB Windows 10 Pro
Dell Dimension 8400 CPU "Upgrade" - YouTube
Upgrading a Dell Dimension 4600 (my FIRST gaming PC!) - YouTube