Intel Xeon E-2356G socket: LGA 1200
The Intel Xeon E-2356G uses the LGA 1200 socket. It is an 80 W 6-core Rocket Lake server processor with P750 graphics and ECC memory support.
- Socket
- LGA 1200
- Launched
- September 2021
- Cores and threads
- 6 and 12
- Base power
- 80 W
- Codename
- Rocket Lake
- Segment
- Server
- Family
- Intel Xeon E
- Clocks
- 3.2 / 5.0 GHz
Intel Xeon E-2356G specifications
| Cores | 6 |
|---|---|
| Threads | 12 |
| Core architecture | Cypress Cove (Rocket Lake) |
| Clocks | 3.2 GHz base, up to 5.0 GHz turbo |
| Cache | 12 MB Intel Smart Cache (L3) |
| Processor base power (TDP) | 80 W |
| Manufacturing process | 14 nm |
| Memory support | DDR4 up to 3200 MT/s ECC, two channels, up to 128 GB |
| PCI Express | 20 lanes from the CPU: PCIe 4.0 x16 plus PCIe 4.0 x4 |
| Integrated graphics | Intel UHD Graphics P750 (32 execution units, up to 1.30 GHz) |
| Multiplier | Locked |
| ECC memory | Yes |
| Package | FCLGA1200 |
Motherboard and chipset compatibility
Intel Xeon E-2356G needs a motherboard with a LGA 1200 socket. The table shows which chipset series accept it.
| Series | Chipsets | Support |
|---|---|---|
| 500 series | Z590, H570, B560, H510, Q570, W580 | Works out of the box |
| 400 series: Z490, H470, Q470, W480 | Z490, H470, Q470, W480 | Needs a BIOS update Needs a BIOS update from the board maker. PCIe 4.0 depends on how the board is wired. |
| 400 series: B460, H410 | B460, H410 | Not supported |
Board makers publish a CPU support list for every model. Check it for your exact board before buying. Chipset details for LGA 1200.
LGA 1200 at a glance
| Type | LGA, 1,200 contacts |
|---|---|
| Package size | 37.5 × 37.5 mm |
| Introduced | April 2020 |
| Memory | DDR4 only |
| Cooler mounting holes | 75 × 75 mm |
What the Xeon E-2356G is
The Xeon E-2356G is a 6-core server processor that Intel released in September 2021 with the Xeon E-2300 range. Its Cypress Cove cores run 3.2 GHz base to 5.0 GHz turbo with Hyper-Threading for 12 threads. Cache is 12 MB of Intel Smart Cache.
The chip pairs high clocks with 6 cores at 80 W for hosts that prize response with room for guests. The 5.0 GHz burst helps single thread services that stall on slower cores. The 14 nm process and locked multiplier keep the focus on steady single socket use.
Intel UHD Graphics P750 handle display output, with 32 execution units at 350 MHz base and up to 1.30 GHz boost. ECC memory support guards data in long running systems. The socket package is FCLGA1200 at 37.5 × 37.5 mm.
Socket and motherboard compatibility
The E-2356G fits the LGA 1200 socket. Entry server boards with C252 and C256 chipsets accept it with the shipping BIOS. The Intel E-2378 compatible list shows the C250 series as the matching server chipsets for this family, and the same boards cover the 6-core G models.
Desktop chipsets are not the intended home for ECC server use. A buyer who needs error correction should choose a C252 or C256 board with ECC UDIMM support. The board maker CPU support list names the minimum BIOS for the E-2300 range.
Single socket operation is the only option. Growth means a larger single chip on the same board rather than a second socket.
Memory, PCIe and cooling
The memory controller supports DDR4 up to 3200 MT/s in two channels, up to 128 GB, with ECC support. Fast hosts often use 2 by 16 GB ECC UDIMM for integrity with speed. The controller does not accept DDR5.
The CPU supplies 20 PCIe 4.0 lanes: x16 plus x4 from the processor. Small servers use the lanes for network cards and fast SSD storage. The board specifications state which slots reach full speed.
At 80 W, a tower server cooler with strong directed airflow suffices. Mounting uses the 75 mm LGA 1200 pattern from the CPU cooler compatibility by socket guide. P750 graphics remove the need for a setup card in most chassis.
Upgrade paths
Against the Intel Core i5-11600, the E-2356G adds ECC server support with similar 6-core layout. The desktop i5 part suits office towers, while this server part suits hosts with error correction. Both share the same socket but target different boards.
Moving to a newer server platform needs a new board and memory generation. The E-2356G fits a virtual host, a build server, or a camera recorder with display needs.
For used buyers, the fast 6-core G model makes sense when clocks and setup graphics matter together. When core count matters more, an 8-core E model adds threads on the same board.
Frequently asked questions
What socket does the Intel Xeon E-2356G use?
It uses LGA 1200, written FCLGA1200 in Intel documents, on C252 or C256 server boards.
How many cores does the Intel Xeon E-2356G have?
6 cores with 12 threads, 3.2 GHz base and up to 5.0 GHz turbo, with 12 MB of Intel Smart Cache.
What memory does the Intel Xeon E-2356G support?
DDR4 up to 3200 MT/s with ECC in two channels, up to 128 GB. ECC guards data in server use.
What graphics does the Intel Xeon E-2356G include?
Intel UHD Graphics P750 with 32 execution units up to 1.30 GHz for setup and light display use.
What is the TDP of the Intel Xeon E-2356G?
80 W. A tower server cooler with strong directed airflow suffices.
Sources and verification
- List of Intel Xeon processors Rocket Lake-based (E-2356G 3.2 to 5.0 GHz, P750, 80 W)
- Intel Xeon E-2378G specifications (Intel, same E-2300 family PCIe and P750 data)
Facts last checked against these sources on . Page last edited on .