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Intel Xeon 6 6756E server CPU, square green PCB with gold contacts, silver integrated heat spreader, 128 cores

Intel

Intel PK8077105931000 Xeon 6 6756E server processor 128-core 1.8 GHz

SKU CH-FV9F-T23RP MPN PK8077105931000

A 128-core server processor with 1.8 GHz base frequency, 2.6 GHz max turbo and 96 MB cache in an FCLGA 4710 socket

  • NameXeon 6756E
  • CPU Socket TypeFCLGA 4710
  • Core NameSierra Forest
  • # of Cores128-Core
  • # of Threads128
  • Operating Frequency1.8 GHz
  • 128 cores handle massive parallel workloads
  • 6 GHz max turbo accelerates burst tasks
  • 96 MB L3 cache reduces data latency
  • DDR5 6400 support across 8 channels
  • 225 W TDP balances density and efficiency

128-Core Xeon 6 6756E for Dense Server Workloads

This Intel Xeon 6 6756E server processor delivers 128 cores and 128 threads at a 1.8 GHz base frequency with a 2.6 GHz max turbo. Built on a 3 nm process, it targets high-density cloud, virtualisation and scale-out workloads where core count and efficiency per watt matter most. The FCLGA 4710 socket and 225 W TDP fit dual-socket platforms designed for rack-scale deployment.

Verify Socket FCLGA 4710

Before ordering, confirm your motherboard uses the FCLGA 4710 socket and provides eight DDR5 channels running at 6400 MT/s to reach the rated 4 TB maximum capacity. The platform must also expose four Intel UPI links at 24 GT/s and PCIe 5.0 lanes for full I/O throughput. BIOS revision and power-delivery capability should match the 225 W thermal design power.

225 W TDP Demands Server-Grade Cooling and Airflow

At 225 W the processor requires a validated server heatsink or liquid cold plate with sufficient mounting pressure for the LGA-4710 package. Fan curves and chassis airflow must be tuned for sustained all-core turbo near 2.6 GHz without thermal throttling. Acoustic output will follow the cooling solution chosen; plan for data-centre noise levels rather than workstation quietness.

Pontos fortes

  • 128 cores handle massive parallel workloads
  • 6 GHz max turbo accelerates burst tasks
  • 96 MB L3 cache reduces data latency
  • DDR5 6400 support across 8 channels
  • 225 W TDP balances density and efficiency

Especificações

BrandIntel
SeriesXeon 6
NameXeon 6756E
ModelPK8077105931000
CPU Socket TypeFCLGA 4710
Core NameSierra Forest
# of Cores128-Core
# of Threads128
Operating Frequency1.8 GHz
Max Turbo Frequency2.6 GHz
L3 Cache96MB
64-Bit SupportYes
Hyper-Threading SupportYes
Manufacturing Tech3 nm
Integrated Memory Controller SpeedDDR5 6400
Maximum Memory Capacity4TB
Memory Channel8 Channel
Virtualization Technology SupportYes
Scalability2S
PCI Express Revision5.0
Max # of PCI Express Lanes88
Thermal Design Power225W
Cooling DeviceCooling device not included - Processor Only
Peso de envio0.12 kg
Dimensões da embalagem78 × 64 × 57 mm

Perguntas sobre este artigo

Does the OEM pack include a cooler or do I need to buy a separate 225 W thermal solution?

The OEM tray contains only the 128-core processor; a server-grade cooler rated for at least 225 W must be purchased separately.

Should I select the 1.8 GHz base or 2.6 GHz max turbo version for dense virtualization?

There is a single 6756E SKU that runs at 1.8 GHz base and boosts to 2.6 GHz; choose it when you need 128 threads and 8-channel DDR5 6400 bandwidth.

How does the 96 MB L3 cache affect real-world database throughput on this 128-core chip?

The shared 96 MB L3 cache feeds all 128 cores, reducing latency for multi-threaded database workloads that fit within the cache footprint.

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