INTEL 5220 2.2GHZ/125W 18C 24.75MB DCP DDR4 2666 MHZCisco Intel Xeon Gold 5000 (2nd Gen) 5220 Octadeca core (18 Core) 2. 20 GHz Processor Upgrade 24. 75 MB L3 Cache 64 bit Processing 3. 90 GHz Overclocking Speed 14 nm Socket 3647 125 W 36 Threads VPN: HX CPU I5220 SKU: RSC221861 UPC: 24. 75 MB of L3 cache to boost the instruction processing and system performance 14 nm enables improved performance per watt and micro architecture makes it power efficient The processor upgrade features Socket 3647 socket