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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

  • Product nameXeon 6756E
  • CPU cores128-Core
  • CPU socketFCLGA 4710
  • Maximum turbo clock2.6 GHz
  • TDP rating225 W
  • Processor codenameSierra Forest
  • 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.

How it compares

Measured against everything we stock in Server Processors, at today’s prices. Recalculated every night.

Price $7,638.99
Pricier than about 91% of the 621 comparable items (median $1,561.99).
CPU cores 128-Core
Higher than about 94% of the 386 comparable items (median 24).
Maximum turbo clock 2.6 GHz
Lower than about 95% of the 327 comparable items (median 3.9 GHz).

New to this? Buying a processor with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameIntel
Product lineXeon 6
Model namePK8077105931000
Product nameXeon 6756E
Performance
Working frequency1.8 GHz
Processor
CPU cores128-Core
CPU socketFCLGA 4710
Maximum turbo clock2.6 GHz
TDP rating225 W
Processor codenameSierra Forest
CPU threads128
Level 3 cache96 MB
64-bit capableYes
Hyper-ThreadingYes
Process node3 nm
Virtualization supportYes
CPU socket scalability2S
Maximum PCIe lanes88
Memory
Supported memory speedDDR5 6400
Max supported memory4 TB
Channel configuration8 Channel
Ports & slots
PCIe generation5.0
Size & build
Shipping weight0.12 kg
Package size78 × 64 × 57 mm
In the box
Included coolerNot included - Processor Only

Questions about this item

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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