Processor Intel Xeon E5-2643V4 3.4 GHz 6 Cores 20 MB Cache LGA 2011-v3

Processor Intel Xeon E5-2643V4 3.4 GHz (Turbo 3.7 GHz) is a server/workstation CPU based on the Broadwell microarchitecture and manufactured on a 14 nm process. It provides 6 physical cores, 12 threads, and 20 MB of Smart Cache, supports quad-channel DDR4 memory with up to 1.54 TB addressable memory, and fits LGA 2011-v3 sockets. The processor is designed to handle cloud, high-performance computing, networking and storage workloads and supports AVX 2.0 instruction sets for scalable performance.

Advantages

The Intel Xeon E5-2643V4 delivers strong per-socket performance through its 6 cores and 20 MB last-level cache, offering improved parallel processing and reduced memory latency. Built on a 14 nm process with support for Intel technologies such as Turbo Boost and AVX 2.0, it offers efficient performance for server and workstation tasks. Platform features like Intel Resource Director Technology and enhanced cryptographic capabilities provide better resource management and security for multi-tenant or virtualized environments.

Suitable for

• Database servers and transactional workloads
• Virtualization and hyper-converged infrastructures
• High-performance computing (HPC) tasks that leverage AVX 2.0
• Networking, storage servers and I/O-intensive applications

Key specifications

• Model: Intel Xeon E5-2643V4
• Base frequency: 3.4 GHz; Turbo Boost frequency: 3.7 GHz
• Cores / Threads: 6 cores (12 threads)
• Cache: 20 MB Smart Cache (last-level cache)
• Manufacturing process: 14 nm (Broadwell)
• Socket: LGA 2011-v3
• Memory: Quad-channel DDR4, up to 1.54 TB supported
• Instruction set extensions: AVX 2.0
• Intended use: Server / workstation

How to use

Install the CPU into a compatible LGA 2011-v3 motherboard following the motherboard and chassis manufacturer instructions. Use an appropriate server-class cooling solution and quality thermal interface material. Populate memory in matched quad-channel configurations to achieve optimal memory bandwidth. Configure BIOS/UEFI settings for desired performance (enable Turbo Boost, set memory timings) and ensure the platform firmware supports this Broadwell-generation processor.

Recommendations

For reliable operation in production servers, use validated server motherboards and ECC DDR4 modules, keep firmware and microcode up to date, monitor temperatures under load, and match workloads (databases, virtualization, HPC) to the processor’s core and AVX capabilities to maximize performance and efficiency.