Intel® Xeon® Processor E5-2643 v3 20M Cache, 3.40 GHz

SR204 CPU Specifications Total Cores 6 Total Threads 12 Max Turbo Frequency 3.70 GHz Intel® Turbo Boost Technology 2.0 Frequency‡ 3.70 GHz Processor Base Frequency 3.40 GHz Cache 20 MB Intel® Smart Cache Bus Speed 9.6 GT/s # of QPI Links 2 TDP 135 W Supplemental Information Embedded Options Available No Datasheet View now Memory Specifications Max Memory Size (dependent on memory type) 768 GB Memory Types DDR4 1600/1866/2133 Max # of Memory Channels 4 Max Memory Bandwidth 68 GB/s Physical Address Extensions 46-bit ECC Memory Supported   ‡ Yes Expansion Options Scalability 2S PCI Express Revision 3 PCI Express Configurations ‡ x4 |  x8 |  x16 Max # of PCI Express Lanes 40 Package Specifications Sockets Supported FCLGA2011-3 Max CPU Configuration 2 TCASE 77.3°C Package Size 52.5mm x 45mm Advanced Technologies Intel® Turbo Boost Technology ‡ 2 Intel® Hyper-Threading Technology ‡ Yes Intel® Transactional Synchronization Extensions No Intel® 64 ‡ Yes Instruction Set 64-bit Instruction Set Extensions Intel® AVX2 Idle States Yes Enhanced Intel SpeedStep® Technology Yes Intel® Demand Based Switching Yes Thermal Monitoring Technologies Yes Intel® Flex Memory Access No Intel® Identity Protection Technology ‡ No Security & Reliability Intel vPro® Platform Eligibility ‡ Yes Intel® AES New Instructions Yes Secure Key Yes Intel® OS Guard Yes Intel® Trusted Execution Technology ‡ Yes Execute Disable Bit ‡ Yes Intel® Virtualization Technology (VT-x) ‡ Yes Intel® Virtualization Technology for Directed I/O (VT-d) ‡ Yes Intel® VT-x with Extended Page Tables (EPT) ‡ Yes