AMD EPYC 7C13 socket: SP3
The AMD EPYC 7C13 uses SP3, the LGA socket for EPYC server processors with DDR4 ECC memory. The 64-core chip at 225 W needs a server board, and runs single or dual socket.
AMD EPYC 7C13 specifications
| Cores | 64 |
|---|---|
| Threads | 128 |
| Core architecture | Zen 3 (Milan) |
| Clocks | 2 GHz base, up to 3.675 GHz boost |
| Cache | 32 MB L2 plus 256 MB L3 |
| Default TDP | 225 W |
| Manufacturing process | TSMC 7 nm FinFET |
| Memory support | DDR4-3200 ECC, 8 channels, up to 4 TB per socket |
| PCI Express | 128 PCIe Gen4 lanes per socket, up to 160 in 2P |
| Integrated graphics | None (BMC graphics on board) |
| Multiplier | Locked |
| ECC memory | Supported, DDR4 ECC RDIMM |
| Package | SP3 LGA4094 |
| Cooler in the box | None, server heatsink required |
Motherboard compatibility
AMD EPYC 7C13 needs a motherboard with a SP3 socket. Chipset by chipset data for this codename is not recorded yet. See the SP3 chipset list and the board maker's CPU support list.
SP3 at a glance
| Type | LGA, 4,094 contacts |
|---|---|
| Package size | 58.5 × 75.4 mm |
| Introduced | June 2017 |
| Memory | DDR4 ECC RDIMM, 8 channels to DDR4-3200, up to 4 TB per socket |
| Cooler mounting holes | Board specific (server heatsink) |
What the EPYC 7C13 is
AMD EPYC 7C13, launched in March 2021 for SP3, brings 64 cores and 128 threads to large cloud deployments. Milan cores run 2 GHz base with up to 3.675 GHz boost, backed by 256 MB of L3 plus 32 MB of L2. The 225 W rating sets server cooling and power delivery.
Memory support covers DDR4-3200 ECC, 8 channels, up to 4 TB per socket. Eight channels feed virtual machines and databases, and ECC corrects single-bit errors during continuous duty. Gen4 lanes serve NVMe, NICs and accelerators, 128 per socket and 160 across two.
Numbered 7-series SKUs serve large cloud and enterprise deployments with tuned clocks for dense racks. The 256 MB of L3 keeps tenants fed while base power stays inside the 300 W class. A nearby standard option is AMD EPYC 7713 on the same socket.
Socket and motherboard compatibility
The EPYC 7C13 fits SP3 on single or dual socket server boards with LGA retention and server power delivery. Board lists must name the exact SKU for qualification.
Memory population, lane splits and cooling follow the server board design. Two-socket boards share the 160-lane budget across both processors. The How to find your CPU socket type guide shows how platform choice maps to generations.
Memory, PCIe and cooling
DDR4-3200 ECC, 8 channels, up to 4 TB per socket. Matched RDIMMs hold the rated speed across all populated channels.
128 PCIe Gen4 lanes per socket, up to 160 in 2P wire NVMe, NICs and accelerators. Lane budgets decide how many devices run at full speed.
Cooling belongs to the server maker across the 225 W band with front-to-back airflow. No boxed cooler exists. Paste service follows the maker manual.
Where this Milan part fits
The Milan stack spans 8 to 64 cores, and this 64-core SKU sits where core licensing, power caps or per-core fees shape the order. Fewer, faster cores beat more, slower cores for licensed databases, while dense virtualisation takes higher counts. The 256 MB L3 keeps working sets close on both shapes.
Single-socket boards cut idle draw for edge racks while dual-socket boards serve dense virtualisation. Populate all eight memory channels for full bandwidth on either shape, since empty channels cost throughput on memory-bound work. The EPYC 7C13 needs a board that lists it by name with the right firmware.
Boards need firmware with Milan support before the chip posts, so buyers confirm the BIOS revision with the vendor. Memory population order follows the board manual with primary slots first, and all eight channels should fill for full bandwidth on memory-bound work.
Inside the Milan stack this SKU pairs 64 cores with 256 MB L3 of L3, about 4 MB per core, set against 64 cores against 64 cores with matching cache in [[cpu:EPYC 7713]]. Base power of 225 W puts it in the family band that spans 95 W to 280 W, which decides heatsink size and rack power budgets.
Upgrade paths
On SP3 the moves run along core count within the same board class, up to flagships such as AMD EPYC 7713 where validated. Core growth needs no board change when the maker lists the part.
Beyond the series the replacement is a whole server on newer platforms. The CPU cooler compatibility by socket guide explains when a platform change pays off.
Frequently asked questions
What socket does the AMD EPYC 7C13 use?
It uses SP3 on single or dual socket server boards.
How many cores does the AMD EPYC 7C13 have?
64 cores with 128 threads at 2 GHz base and up to 3.675 GHz boost, with 256 MB of L3.
What memory does the AMD EPYC 7C13 support?
DDR4-3200 ECC, 8 channels, up to 4 TB per socket.
Does the AMD EPYC 7C13 have integrated graphics?
No. Boards provide BMC graphics for management.
What is the TDP of the AMD EPYC 7C13?
225 W with server cooling required.
How many PCIe lanes does the AMD EPYC 7C13 offer?
128 PCIe Gen4 lanes per socket, up to 160 in 2P for NVMe, NICs and accelerators.
Which boards fit this processor?
Single or dual socket SP3 server boards that list the exact SKU with matching firmware.
When did the AMD EPYC 7C13 launch?
2021 as a cloud-tuned SKU.
What process does the AMD EPYC 7C13 use?
TSMC 7 nm FinFET, shared across the Milan stack.
Sources and verification
Facts last checked against these sources on . Page last edited on .