Summary: Thia mobo replaced a failing mobo of the same type in an Alienware computer. The swap-over was easy and the mobo worked with no issues. I used the extra memory cooling devises included with the kit to keep it running cooler.
Excerpt: The transition from AGP to PCIE was without a doubt extreamly easy. Along with this motherboard, I had 2 Kingston 2GB 1066mhz ram, an AMD Phenom 9950 2.6ghz black edition, an ATI RADEON 4850 HD (1gb, Asus edition) and a 650w Antec Power Supply.
Pros: Has many sata ports, has 4 GPU ports, is able to run at 1066mhz
Cons: Ram can only run at 1066 if processor is quad core .