Power your enterprise infrastructure with the AMD EPYC 7643, a high-performance 3rd Generation EPYC "Milan" server processor built on AMD's advanced Zen 3 architecture. Featuring 48 cores, 96 threads, and 256MB of L3 cache, the EPYC 7643 delivers exceptional performance for virtualization, cloud computing, databases, software-defined storage, and high-density enterprise workloads.
This processor supports both single-socket (1P) and dual-socket (2P) server configurations, making it an ideal solution for modern data center deployments requiring maximum scalability and performance.
Key Features
- AMD EPYC 7643 Server Processor
- 48 Cores / 96 Threads
- 2.30GHz Base Clock
- Up to 3.60GHz Max Boost
- 256MB L3 Cache
- 225W TDP
- Socket SP3 (LGA4094)
- Zen 3 "Milan" Architecture
- 7nm TSMC Process Technology
- PCIe 4.0 Support
- 128 PCIe Lanes
- DDR4-3200 ECC Memory Support
- Supports Single & Dual-Socket Servers
- Vendor-Unlocked (No OEM Lock)
Technical Specifications
Manufacturer: AMD
Series: EPYC 7003 Series
Model: EPYC 7643
Part Number (OPN): 100-000000326
Architecture: Zen 3 (Milan)
Manufacturing Process: 7nm FinFET
CPU Socket: SP3 (LGA4094)
Core Count: 48 Cores
Thread Count: 96 Threads
Base Clock Speed: 2.30GHz
Max Boost Clock: Up to 3.60GHz
L3 Cache: 256MB
Default TDP: 225W
Configurable TDP: 225W-240W
Package Type: OEM Tray Processor
Memory Specifications
- Supports DDR4 ECC RDIMM & LRDIMM
- Memory Speed Up To 3200MT/s
- 8 Memory Channels
- Up To 204.8 GB/s Memory Bandwidth
- Up To 4TB Memory Capacity Per Socket
- Enterprise ECC Memory Support
PCIe & I/O Capabilities
- PCI Express 4.0
- 128 PCIe Gen4 Lanes
- High-Speed Storage and Networking Support
- Ideal for NVMe Storage Arrays
- Optimized for Accelerators and GPUs
Enterprise Features
- AMD Infinity Guard Security Suite
- Secure Encrypted Virtualization (SEV)
- Secure Nested Paging (SEV-SNP)
- AMD-V Virtualization Technology
- AES Encryption Support
- AVX & AVX2 Instruction Sets
- SHA & FMA3 Support
Unlocked Status
UNLOCKED indicates the processor is not restricted to a specific OEM vendor platform. The CPU can be used in compatible SP3 motherboards from manufacturers including:
- Supermicro
- ASRock Rack
- GIGABYTE Server
- ASUS Server
- Tyan
- Other AMD EPYC SP3 Platforms
Note: As with all AMD EPYC processors, multipliers remain locked and traditional overclocking is not supported.
Compatible Motherboards
Supermicro
- H12SSL-i
- H12SSL-CT
- H12SSL-C
- H12SSL-NT
- H12DSi-N6
- H12DSi-NT6
- H12SSW-iN
ASRock Rack
- ROMED8-2T
- ROMED8QM-2T
- ROMED4ID-2T
- ROME2D16-2T
- ROME2D32
Gigabyte
- MZ32-AR0
- MZ72-HB0
- MZ72-HB2
ASUS
Compatible Server Platforms
- Dell PowerEdge AMD EPYC Servers
- HPE ProLiant AMD EPYC Servers
- Lenovo ThinkSystem AMD Platforms
- Supermicro H12 Series Servers
- Gigabyte Enterprise Servers
- ASUS Server Platforms
- Custom SP3 Workstation Builds
Ideal Workloads
- Virtualization Hosts
- VMware Environments
- Hyper-V Infrastructure
- Cloud Computing
- Database Servers
- Artificial Intelligence
- Software Defined Storage
- Enterprise Applications
- High Performance Computing (HPC)
- Data Analytics
- Container Platforms
Package Includes
- 1x AMD EPYC 7643 Processor
- Part Number: 100-000000326
Important Notes
- Compatible with Socket SP3 motherboards supporting AMD EPYC 7003 Series processors.
- BIOS update may be required on some server motherboards.
- Supports both 1P (single processor) and 2P (dual processor) configurations.
- Heatsink and thermal solution are not included unless otherwise stated.
- Please verify motherboard and BIOS compatibility prior to purchase.
