The NM-i17xx-MP83 is a SecuFirm2 mounting upgrade kit that allows Noctua CPU coolers with 83mm mounting pitch (see detailed compatibility information) to be upgraded to Intels latest LGA1700 (LGA17xx family) platform. True to the SecuFirm2 tradition, it combines outstanding reliability, optimal contact pressure and easy, straightforward installation in order to enable Noctua users to continue using their heatsinks on Intels latest Core series processors. The chromax. black version with its all-black parts is a perfect match for Noctuas chromax. black line heatsinks.