Intel® 10th Generation Core™ i9 Extreme X-series, Intel® 7th Generation Core™ i7 X-series, Intel® 9th Generation Core™ i7 X-series, Intel® 9th Generation Core™ i9 X-series, Intel® Core™ i9 Extreme X-series Processor, Single Socket LGA-2066 (Socket R4) supported, CPU TDP support Up to 165W TDP, Intel® X299, 256GB Unbuffered non-ECC UDIMM, DDR4-2933MHz, in 8 DIMM slots