Product Type | Server Processor |
Processor Family | AMD EPYC 7003 Series (Milan) |
Model Number | 7643 |
Core Count | 48 |
Thread Count | 96 |
Base Clock Speed | 2.3 GHz |
Max Boost Clock Speed | 3.6 GHz |
L1 Cache | 3 MB |
L2 Cache | 24 MB |
L3 Cache | 256 MB |
TDP (Thermal Design Power) | 225 W |
Manufacturing Process | 7nm FinFET |
Socket | Socket SP3 |
Architecture | Zen 3 |
Number of CCDs | 8 |
Scalability | Up to 2S (Dual-Socket) |
AMD EPYC MILAN 7643 48-Core 2.3GHz Server Processor





Key Benefits

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- Delivers exceptional multi-threaded performance with 48 cores, ideal for data-intensive servers
- Large 256MB L3 cache supports faster access to frequently used data, reducing latency
- High 3.6 GHz turbo frequency enables dynamic scaling for burst workloads and responsiveness
Product Overview
The AMD EPYC MILAN 7643 is a 48-core server processor operating at a base frequency of 2.3 GHz with turbo speeds up to 3.6 GHz. Featuring 256MB of L3 cache and a 225W TDP, it is optimized for parallel workloads in enterprise and cloud applications. Built for high-throughput tasks such as virtualization and data analysis, this processor represents a cost-effective, scalable compute solution for demanding infrastructure environments.
Specifications
Product Overview
Physical & Environmental
Package Type | FC-LGA (Flip-Chip Land Grid Array) |
Package Size | 76mm x 56.5mm |
Operating Temperature (Max) | 95°C |
Cooling Requirement | Active or Passive (Customer Provided) |
Heatsink Included | No |
Cloud Management & Licensing
Cloud Integration | Compatible with major virtualization platforms (VMware, Microsoft Hyper-V, etc.) |
Management Features | Supports AMD Infinity Guard with Secure Encrypted Virtualization |
License Type | OEM or Retail depending on provider |
Interfaces
PCI Express Version | PCIe 4.0 |
PCI Express Lanes | 128 |
Supported Memory Type | DDR4 |
Max Memory Speed | 3200 MHz |
Memory Channels | 8 |
Max Memory Bandwidth | 204.8 GB/s |
ECC Memory Support | Yes |
Compliance & Origin
Country of Origin | Malaysia |
TAA Compliant | No |
RoHS Compliance | Yes |
Halogen Free | Yes |
Advanced Security Features
Hardware Security Features | AMD Infinity Guard |
SEV (Secure Encrypted Virtualization) | Yes |
Secure Boot Support | Yes |
SME (Secure Memory Encryption) | Yes |
Boot-Time Hardware Validation | Yes |