Intel Xeon Gold 6326 socket: LGA 4189

The Intel Xeon Gold 6326 uses the LGA 4189 socket. It is a 185 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
185 W
Codename
Ice Lake-SP
Segment
Server
Clocks
2.9 / 3.5 GHz

Intel Xeon Gold 6326 specifications

Cores16
Threads32
Core architectureSunny Cove (Ice Lake-SP)
Clocks2.9 GHz base, up to 3.5 GHz turbo
Cache24 MB
Processor base power (TDP)185 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 6326 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 6326 is

The Xeon Gold 6326 is a 16-core server processor that Intel released in April 2021 with the Ice Lake-SP range for 2-socket systems. Its Sunny Cove cores run 2.9 GHz base to 3.5 GHz turbo with Hyper-Threading for 32 threads. Cache is 24 MB with 1.25 MB of L2 per core.

The chip pairs a solid 2.9 GHz base with 16 cores at 185 W for mixed virtual and database work. The 3.5 GHz burst helps single thread tasks that stall on slower cores. 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 6326 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 balanced 2-socket nodes should confirm per-socket licensing before choosing 16 cores over 24.

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. Balanced nodes 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 185 W, vendor-qualified performance air 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 6326 trades clocks for lower power in the same 16-core layout. The 205 W part holds higher sustained speed, while this 185 W part suits dense racks with power limits. Both share Whitley boards and DDR4-3200 limits.

Moving to LGA 4677 needs new boards and DDR5 memory for Sapphire Rapids generations. The 6326 fits a balanced virtual host, a mid database tier, or a scale out node with mixed services.

For used buyers, the 16-core Gold makes sense when balanced threads lead. When clocks matter most, the 8-core 6334 holds higher bases on the same socket.

Frequently asked questions

What socket does the Intel Xeon Gold 6326 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 6326 have?

16 cores with 32 threads, 2.9 GHz base and up to 3.5 GHz turbo, with 24 MB of cache.

What memory does the Intel Xeon Gold 6326 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 6326 include?

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

What is the TDP of the Intel Xeon Gold 6326?

185 W. Performance air heatsinks with strong directed chassis airflow are needed.

Sources and verification

  1. List of Intel Xeon processors Ice Lake-based (Gold 6326 2.9 to 3.5 GHz, 185 W)
  2. Intel Xeon Gold 6326 Processor (Intel ARK)

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