Intel Xeon Silver 4314 socket: LGA 4189
The Intel Xeon Silver 4314 uses the LGA 4189 socket. It is a 135 W 16-core Ice Lake-SP server processor with ECC memory support.
- Socket
- LGA 4189
- Launched
- April 2021
- Cores and threads
- 16 and 32
- Base power
- 135 W
- Codename
- Ice Lake-SP
- Segment
- Server
- Family
- Intel Xeon Silver
- Clocks
- 2.4 / 3.4 GHz
Intel Xeon Silver 4314 specifications
| Cores | 16 |
|---|---|
| Threads | 32 |
| Core architecture | Sunny Cove (Ice Lake-SP) |
| Clocks | 2.4 GHz base, up to 3.4 GHz turbo |
| Cache | 24 MB |
| Processor base power (TDP) | 135 W |
| Manufacturing process | 10 nm |
| Memory support | DDR4 up to 2667 MT/s ECC, 8 channels, up to 6 TB per socket |
| PCI Express | 64 PCIe 4.0 lanes per socket |
| Interconnect | 2× UPI at 10.4 GT/s |
| ECC memory | Yes |
| Package | FCLGA4189, 77.5 × 56.5 mm |
| Sockets supported | Up to 2 sockets |
| Launch price | $780 to $792 (Intel RCP) |
Motherboard compatibility
Intel Xeon Silver 4314 needs a motherboard with a LGA 4189 socket. Chipset by chipset data for this codename is not recorded yet. See the LGA 4189 chipset list and the board maker's CPU support list.
LGA 4189 at a glance
| Type | LGA, 4,189 contacts |
|---|---|
| Package size | 77.5 × 56.5 mm |
| Introduced | April 2020 |
| Memory | DDR4 with ECC, up to 8 channels on Ice Lake-SP and 6 channels on Cooper Lake-SP |
| Cooler mounting holes | Board specific (server heatsink) |
What the Xeon Silver 4314 is
The Xeon Silver 4314 is a 16-core server processor that Intel released in the second quarter of 2021 with the Ice Lake-SP range for 2-socket systems. Its Sunny Cove cores run 2.4 GHz base to 3.4 GHz turbo with Hyper-Threading for 32 threads. Cache is 24 MB with 1.25 MB of L2 per core.
The chip tops the Silver 43xx group in this batch with 16 cores at 135 W for dense scale out nodes. The 2.4 GHz base keeps all core work steady for virtual hosts that run many guests. The 10 nm process pairs 8 channels of DDR4 with 64 PCIe 4.0 lanes for fast storage and network cards.
There is no integrated graphics on this model, so setup relies on board BMC graphics. ECC memory support guards data across long uptime. The launch price range was $780 to $792 (Intel RCP). The socket package is FCLGA4189 at 77.5 × 56.5 mm.
Socket and motherboard compatibility
The 4314 fits the LGA 4189 socket on Whitley boards for Ice Lake-SP. Cedar Island boards for Cooper Lake share the socket name but do not accept this chip, so the board generation must match the processor generation. The server vendor CPU support list names the exact boards for Silver parts.
Two-socket operation is the design point for Xeon Silver parts, with single socket boards possible where the vendor qualifies them. A buyer building dense 2-socket nodes should confirm per-socket licensing before choosing 16 cores over 12.
Check memory population rules for 2-socket boards when ordering. Sixteen DIMM slots per socket is the platform shape, and both sockets should match in capacity and speed.
Memory, PCIe and cooling
The memory controller supports DDR4 up to 2667 MT/s in 8 channels, up to 6 TB per socket, with ECC support. Dense nodes use RDIMM pairs across all channels for bandwidth with integrity. Optane persistent memory is supported on qualifying platforms.
The CPU supplies 64 PCIe 4.0 lanes per socket for network cards and NVMe storage. Two-socket boards split lanes across slots and onboard controllers, so the board specifications state which slots reach full speed. Two UPI links at 10.4 GT/s carry socket to socket traffic.
At 135 W, vendor-qualified air heatsinks with strong directed chassis airflow suffice. Mounting is board specific with no retail pattern, and the CPU cooler compatibility by socket guide explains why server sockets list no desktop bracket.
Upgrade paths
Against the Intel Xeon Silver 4310, the 4314 adds cores and cache at higher power in the same Silver family. The 12-core part suits lighter nodes at lower heat, while this 16-core part suits denser guests. Both share Whitley boards and 2-socket scaling.
Moving to LGA 4677 needs new boards and DDR5 memory for Sapphire Rapids generations. The 4314 fits a dense virtual host, a scale out database tier, or a storage node with many services.
For used buyers, the top Silver in this batch makes sense when thread density leads. When Gold features matter, the dual processor Gold range adds UPI links and cache on the same socket.
Frequently asked questions
What socket does the Intel Xeon Silver 4314 use?
It uses LGA 4189 on Whitley boards for Ice Lake-SP. Cedar Island Cooper boards share the socket name but do not accept it.
How many cores does the Intel Xeon Silver 4314 have?
16 cores with 32 threads, 2.4 GHz base and up to 3.4 GHz turbo, with 24 MB of cache.
What memory does the Intel Xeon Silver 4314 support?
DDR4 up to 2667 MT/s with ECC in 8 channels, up to 6 TB per socket.
What graphics does the Intel Xeon Silver 4314 include?
None on the chip. Setup relies on board BMC graphics.
What is the TDP of the Intel Xeon Silver 4314?
135 W. Vendor-qualified air heatsinks with directed chassis airflow suffice.
Sources and verification
- Intel Xeon Silver 4314 specifications (Intel, Ice Lake-SP, FCLGA4189, $780 RCP)
- List of Intel Xeon processors Ice Lake-based (Silver 4314 2.4 to 3.4 GHz, 135 W)
Facts last checked against these sources on . Page last edited on .