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I used a Cooler Master LC120E AIO cooler on it and it made a huge difference in temps. The socket is a LGA1155 and idetailed nformation about the board can be found here. https://support.hp.com/us-en/product/omen-by-hp-875-0000-obelisk-desktop-pc-series/23302709/model/23574497/document/c06124984
Sorry, there was a problem. Please try again later.This is an LGA1155 socket.
Sorry, there was a problem. Please try again later.I'm not sure what socket type the processor is but you would not need to add a different cooler to the CPU as it stays moderate when parts are being used to the max.
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