ek-cable pump testing adapter is a simple adapter cable for connecting any liquid cooling pump (with 4-pin fan header) or computer cooling fan with sata power cable. this adapter is recommended to be used only for testing purposes while leak-testing your loop and is intended to be connected directly to psu without the need for powering up the entire system. the cable is approximately 15cm long.features: - 3-pin fan header to sata power adapter- rohs compliant