yes, on the socket it should say, if it doesn't on the socket then thats odd...also on the processor and often the heatsink as well, it will say on there. if not than look for the model name on the processor and then go look it up online, another option would be to use a diagnostics and system information tool. like for instance, everest home edition, awesome program, and free. http://www.lavalys.com/products/overview.php?pid=1&lang=en u can download it from there, their website. ^_^