Intel Xeon Gold 5320T socket: LGA 4189

The Intel Xeon Gold 5320T uses the LGA 4189 socket. It is a 150 W 20-core Ice Lake-SP server processor with extended thermal reliability and ECC memory.

Socket
LGA 4189
Launched
April 2021
Cores and threads
20 and 40
Base power
150 W
Codename
Ice Lake-SP
Segment
Server
Clocks
2.3 / 3.5 GHz

Intel Xeon Gold 5320T specifications

Cores20
Threads40
Core architectureSunny Cove (Ice Lake-SP)
Clocks2.3 GHz base, up to 3.5 GHz turbo
Cache30 MB
Processor base power (TDP)150 W
Manufacturing process10 nm
Memory supportDDR4 up to 2933 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 5320T 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 5320T is

The Xeon Gold 5320T is a 20-core server processor that Intel released in April 2021 with the Ice Lake-SP range for 2-socket systems. Its Sunny Cove cores run 2.3 GHz base to 3.5 GHz turbo with Hyper-Threading for 40 threads. Cache is 30 MB with 1.25 MB of L2 per core.

The T suffix marks high thermal-case tolerance with extended reliability for edge systems in warm sites. The 10 nm process pairs 8 channels of DDR4-2933 with 64 PCIe 4.0 lanes for fast storage and network cards. Two-socket operation keeps scale out cost below larger Gold builds.

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 5320T 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 T suffix parts.

Two-socket operation is possible with Xeon Gold dual processor parts, with single socket boards possible where the vendor qualifies them. A buyer placing nodes in warm edge sites should confirm the board thermal rating matches the high case tolerance 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 2933 MT/s in 8 channels, up to 4 TB per socket, with ECC support. Edge 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 150 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 Gold 5320, the 5320T trades cores and clocks for thermal tolerance at lower power. The 26-core part suits dense halls, while this 20-core T part suits warm edge sites with extended reliability needs. Both share Whitley boards and DDR4-2933 limits.

Moving to LGA 4677 needs new boards and DDR5 memory for Sapphire Rapids generations. The 5320T fits an edge node, a warm site cache tier, or a telecom cabinet with steady threads.

For used buyers, the T part makes sense when inlet temperatures run high. When density matters more, the standard 5320 gives more cores on the same board.

Frequently asked questions

What socket does the Intel Xeon Gold 5320T 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 5320T have?

20 cores with 40 threads, 2.3 GHz base and up to 3.5 GHz turbo, with 30 MB of cache.

What memory does the Intel Xeon Gold 5320T support?

DDR4 up to 2933 MT/s with ECC in 8 channels, up to 4 TB per socket.

What does the T suffix mean on the Xeon Gold 5320T?

The T marks high thermal-case tolerance with extended reliability for warm edge sites.

What is the TDP of the Intel Xeon Gold 5320T?

150 W. Vendor-qualified air heatsinks with directed chassis airflow suffice.

Sources and verification

  1. List of Intel Xeon processors Ice Lake-based (Gold 5320T 2.3 to 3.5 GHz, 150 W)
  2. Intel Xeon Gold 5320T Processor (Intel ARK)

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