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Hello, I just got a AMD Phenom II X4 955 from the Salvation Army for $1.99 and there are no pins bent. It says it is a socket AM3. I have a socket AM2 mobo laying around doing nothing. The CPU fits in the socket, but idk if it will actually be compatible. Does anyone know if this will work? I don’t want to buy a new PSU, case and hdd just to have to buy a new mobo too.

Google this: Will am3 processor work in am2 motherboard

Unfortunately, you are only able to run AM3 processors on certain AM2/AM2+ motherboards, and only if the manufacturer provided a BIOS update supporting it. On the ones that are capable, you still won’t have the full capabilities, as the socket/chipset weren’t designed for it (such as Hyper Transport). Your best bet would be to find an AM3 motherboard, rather than gamble with your current one.

Stick it in if it doesn’t support it, it will not post, then take it out and put the original CPU back in, nothing gained nothing lost.