AMD Core AMD EPYC 7643

Overview

ThinkSystem SR665 AMD EPYC 7643 48C 225W 2.3GHz Processor w/o Fan

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Compatibility

Socket Socket SP3 Memory type DDR4 Interface PCIe 4.0 TDP 225 W

• Pairs with CPUs using the Socket SP3 socket.
• Requires DDR4 memory — not interchangeable with other generations.
• Draws up to 225 W — size your cooling and PSU headroom accordingly.

Compatibility data is automatically generated. Always verify critical specs before purchase.

Technical Specifications

Showing 25 key specifications of 25

All values come from this product’s catalog record.

Cores

48

Threads

96

Base clock

2.3 GHz

Boost clock

3.6 GHz

Socket

Socket SP3

TDP

225 W

Processor line

AMD EPYC

Cache

256 MB

Process node

7 nm

Market segment

Server

Cooler included

No

Memory channels

Octa-channel

Model

7643

Cache level

L3

Dedicated graphics

No

Memory bandwidth (max)

204.8 GB/s

Integrated graphics

No

CPU brand

AMD

PCI Express slots version

4.0

CPU operating modes

64-bit

Dedicated GPU model

Not available

Integrated GPU model

Not available

PCIe lanes

128

Memory types supported by processor

DDR4-SDRAM

Memory clock speeds supported by processor

3200

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Sources

Brochure Lenovo 4XG7A63620 icecat.biz Icecat product datasheet Icecat