Hello: you can consult me if you have any questions.It is directly applicable to the LGA775 socket motherboard without modification.Intel X5470 LGA 771 Xeon, similar to Core 2 Quad LGA 775 Q9650 but not the same chip, has been modified with two new small triangular incisions that do not require socket adapters.Generally it is suitable for many asustek, EVGA, gb, MSI, Intel and dell with P45, P43, P35, P965, G45, G43, G41, G35, G33, nForce 790i, 780i, 740i, 630i, GeForce 9400, 9300 motherboards, but please check your motherboard specifications before buying.