Intel Xeon 6756E socket: LGA 4710
The Intel Xeon 6756E uses LGA 4710, the LGA server socket for Sierra Forest Xeon 6 with DDR5 memory and PCIe Gen5 lanes. The 128-core E-only chip at 225 W suits dense cloud boards with lower power.
- Socket
- LGA 4710
- Launched
- June 2024
- Cores and threads
- 128 and 128
- Base power
- 225 W
- Codename
- Sierra Forest
- Segment
- Server
- Family
- Intel Xeon 6700E
- Clocks
- 1.8 / 2.6 GHz
Intel Xeon 6756E specifications
| Cores | 128 |
|---|---|
| Threads | 128 (no Hyper-Threading) |
| Core architecture | Sierra Glen (E-cores only) |
| Clocks | 1.8 GHz base, up to 2.6 GHz boost |
| Cache | 96 MB |
| Processor base power (TDP) | 225 W |
| Manufacturing process | Intel 3 |
| Memory support | DDR5 with ECC, 8 channels |
| PCI Express | PCIe 5.0 |
| Integrated graphics | None |
| Multiplier | Locked |
| ECC memory | Yes |
| Package | FCLGA4710 |
Motherboard compatibility
Intel Xeon 6756E needs a motherboard with a LGA 4710 socket. Chipset by chipset data for this codename is not recorded yet. See the LGA 4710 chipset list and the board maker's CPU support list.
LGA 4710 at a glance
| Type | LGA, 4,710 contacts |
|---|---|
| Package size | n/a |
| Introduced | June 2024 |
| Memory | DDR5, 8 channels |
| Cooler mounting holes | Board specific (server heatsink) |
What the Xeon 6756E is
The Xeon 6756E is a 128-core and 128-thread server processor that launched in June 2024 for Xeon 6 dense clouds with lower power. One hundred twenty-eight Sierra Glen Efficient-cores without Hyper-Threading give 128 threads at 1.8 GHz base and up to 2.6 GHz boost. Cache is 96 MB. Processor base power is 225 W, below 250 W siblings for performance per watt in scale-out fleets.
One hundred twenty-eight E-cores at modest clocks keep connections per socket high. DDR5 with ECC feeds the die from board memory. PCIe Gen5 lanes serve NVMe and networking, with UPI for dual-socket scale.
Efficiency-first clouds fit here. The 225 W envelope cuts power per thread over 250 W parts. Buyers who need higher clocks for latency should take lower-count E parts with 2.4 GHz base instead, since this 6756E prioritizes density per watt.
Socket and motherboard compatibility
The 6756E fits LGA 4710 on Birch Stream SP boards with 225 W delivery. A BIOS that lists Sierra Forest is required. The FCLGA4710 package uses a server carrier.
Memory is DDR5 with ECC in 8 channels. Population is 1 DIMM per channel at top speed. Power capping tunes per workload where enabled.
E shoppers compare 128-core parts on base and power. The 6756E trails higher-power 128-core neighbors on clocks. The Socket vs chipset: what decides whether a CPU works guide covers server lists.
Memory, PCIe and cooling
DDR5 with ECC in 8 channels is the standard. Large connection counts should be sized with bandwidth in mind. Matched sets are preferred.
PCIe Gen5 lanes serve storage and networking. Fixed splits require manual checks.
Cooling is server 225 W with vendor-qualified air. No retail cooler applies.
Upgrade paths
LGA allows moves within the vendor list, such as to higher-clock E parts. Memory and NVMe can also grow.
A working 6756E serves efficiency clouds for years.
Frequently asked questions
What socket does the Xeon 6756E use?
It uses LGA 4710 on Birch Stream SP boards. A BIOS that lists Sierra Forest is required.
How many cores does the Xeon 6756E have?
One hundred twenty-eight cores and 128 threads at 1.8 GHz base and up to 2.6 GHz boost, with 96 MB of cache at 225 W.
What memory does the 6756E support?
DDR5 with ECC in 8 channels.
Can the 6756E be upgraded?
Yes, to other E parts where power, cooling and BIOS allow.
Sources and verification
- Intel Xeon 6980P Newegg table 6756E 128 cores 225W pattern (Newegg)
- Intel Xeon 6980P Granite Rapids specs server pattern (Intel ARK)
Facts last checked against these sources on . Page last edited on .