Intel Xeon Gold 6354 socket: LGA 4189

The Intel Xeon Gold 6354 uses the LGA 4189 socket. It is a 205 W 18-core Ice Lake-SP server processor with ECC memory support.

Socket
LGA 4189
Launched
April 2021
Cores and threads
18 and 36
Base power
205 W
Codename
Ice Lake-SP
Segment
Server
Clocks
3.0 / 3.6 GHz

Intel Xeon Gold 6354 specifications

Cores18
Threads36
Core architectureSunny Cove (Ice Lake-SP)
Clocks3.0 GHz base, up to 3.6 GHz turbo
Cache39 MB
Processor base power (TDP)205 W
Manufacturing process10 nm
Memory supportDDR4 up to 3200 MT/s ECC, 8 channels, up to 4 TB per socket
PCI Express64 PCIe 4.0 lanes per socket
Interconnect3× UPI at 11.2 GT/s
ECC memoryYes
PackageFCLGA4189, 77.5 × 56.5 mm
Sockets supportedUp to 2 sockets

Motherboard compatibility

Intel Xeon Gold 6354 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

TypeLGA, 4,189 contacts
Package size77.5 × 56.5 mm
IntroducedApril 2020
MemoryDDR4 with ECC, up to 8 channels on Ice Lake-SP and 6 channels on Cooper Lake-SP
Cooler mounting holesBoard specific (server heatsink)

Read the full LGA 4189 socket guide

What the Xeon Gold 6354 is

The Xeon Gold 6354 is an 18-core server processor that Intel released in April 2021 with the Ice Lake-SP range for 2-socket systems. Its Sunny Cove cores run 3.0 GHz base to 3.6 GHz turbo with Hyper-Threading for 36 threads. Cache is 39 MB with 1.25 MB of L2 per core.

The chip pairs a high 3.0 GHz base with 18 cores at 205 W for hosts that hold speed across all threads. The large 39 MB cache helps databases that reuse working sets. The 10 nm process pairs 8 channels of DDR4-3200 with 64 PCIe 4.0 lanes.

There is no integrated graphics on this model, so setup relies on board BMC graphics. ECC memory support guards data across long uptime. The socket package is FCLGA4189 at 77.5 × 56.5 mm.

Socket and motherboard compatibility

The 6354 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 Gold parts.

Two-socket operation is the design point for Xeon Gold dual processor parts, with single socket boards possible where the vendor qualifies them. A buyer building fast 2-socket nodes should confirm power delivery for 205 W parts before ordering.

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 3200 MT/s in 8 channels, up to 4 TB per socket, with ECC support. Fast hosts use RDIMM pairs across all channels for bandwidth with integrity. The controller does not accept DDR5.

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. Three UPI links at 11.2 GT/s carry socket to socket traffic.

At 205 W, vendor-qualified performance air or liquid heatsinks with strong directed chassis airflow are needed. 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 Gold 6346, the 6354 trades cores for cache at the same power. The 16-core part suits licensed roles with 36 MB, while this 18-core part suits fast hosts with 39 MB. Both share Whitley boards and DDR4-3200 limits.

Moving to LGA 4677 needs new boards and DDR5 memory for Sapphire Rapids generations. The 6354 fits a fast virtual host, a database tier with large sets, or a build server with heavy threads.

For used buyers, the clock-led 18-core Gold makes sense when sustained speed leads. When density matters more, the 24-core Gold parts give more threads on the same socket.

Frequently asked questions

What socket does the Intel Xeon Gold 6354 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 Gold 6354 have?

18 cores with 36 threads, 3.0 GHz base and up to 3.6 GHz turbo, with 39 MB of cache.

What memory does the Intel Xeon Gold 6354 support?

DDR4 up to 3200 MT/s with ECC in 8 channels, up to 4 TB per socket.

What graphics does the Intel Xeon Gold 6354 include?

None on the chip. Setup relies on board BMC graphics.

What is the TDP of the Intel Xeon Gold 6354?

205 W. Performance air or liquid heatsinks with strong directed chassis airflow are needed.

Sources and verification

  1. List of Intel Xeon processors Ice Lake-based (Gold 6354 3.0 to 3.6 GHz, 205 W)
  2. Intel Xeon Gold 6354 Processor (Intel ARK)

Facts last checked against these sources on . Page last edited on .