Brand New HPE ML150 Gen9 E5-2609v4 Kit 828356-B21 Intel XEONPart No.: 828356 B21 L3 Cache Size: 20 MB CPU Socket Type: LGA 2011 3 828356 B21 Technical Specifications HP 1. 70GHz 6. 40GT s QPI 20MB L3 Cache Intel Xeon 8 Core Processor Upgrade Brand: HP Intel Part No.: 828356 B21 Processor Type: Server Processor Family: E5 2600 v4 Series Xeon Processor Core Model Type ProcNo.: E5 2609 v4 Processor Code Name: Broadwell Core Stepping: R0 Manufacturing Technology: 14 nm # of Cores: 8 # of Threads: 8 Clock Speed: 1.