Genuine Dell TP406 Motherboard For XPS 420, Supports The Following Processors: Intel Core 2 Q6600 Quad Core, Intel Core 2 Duo Processor E8400, Intel Core 2 Q8200 Quad-Core, Intel Core 2 Q9400 Quad-Core Dell Compatible Part Numbers: TP406

Bought this to replace the malfunctioning one in my desktop tower. Arrived on-time and undamaged, with plenty of air-pack protection to keep if from being bumped around in the box. My computer is now healthy again.

How can you go wrong with Dell

the part arrived quickly and packaged great. but it didn't work in my dell computer. It required more Geek than i have to make it work.