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Square green ceramic processor with gold contact pads and silver heat spreader, Intel branding visible

Intel

Intel Xeon 6 6766E PK8077105930900 server processor 144-core 1.9 GHz

SKU CH-8JDY-ZGEMB MPN PK8077105930900

144-core server processor running at 1.9 GHz with 108 MB cache and DDR5-6400 support

  • Product nameXeon 6766E
  • CPU cores144-Core
  • CPU socketFCLGA 4710
  • Maximum turbo clock2.7 GHz
  • TDP rating250 W
  • Processor codenameSierra Forest
  • 144 cores and 144 threads handle massive parallel workloads
  • 7 GHz max turbo frequency accelerates burst performance
  • 108 MB L3 cache reduces latency for large datasets
  • DDR5 6400 eight-channel memory controller delivers high bandwidth
  • 250 W TDP balances density with efficiency

Intel Xeon 6 6766E 144-core server processor

The Intel Xeon 6 6766E is a 144-core, 144-thread server processor built for high-density compute. It targets data-centre operators running virtualised workloads, cloud services or scale-out applications that benefit from many efficient cores. Buyers needing fewer cores or higher single-thread frequency should look elsewhere.

FCLGA 4710 socket with eight-channel DDR5-6400

The chip drops into an FCLGA 4710 platform and drives eight channels of DDR5-6400 memory up to 4 TB total capacity. PCI Express 5.0 lanes and four UPI links at 24 GT/s handle I/O and two-socket scaling. Systems must provide a compatible socket, memory population and cooling for the 250 W thermal envelope.

250 W TDP with Sierra Forest E-core architecture

The 3 nm Sierra Forest design runs at a 1.9 GHz base frequency and can reach 2.7 GHz max turbo within a 250 W TDP. E-core density aims for high performance per watt in throughput-oriented tasks. Adequate airflow and heatsink capacity are required to sustain boost behaviour under sustained load.

How it compares

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

Price $8,351.99
Pricier than about 91% of the 621 comparable items (median $1,561.99).
CPU cores 144-Core
Higher than about 95% of the 386 comparable items (median 24).
Maximum turbo clock 2.7 GHz
Lower than about 94% 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 namePK8077105930900
Product nameXeon 6766E
Performance
Working frequency1.9 GHz
Processor
CPU cores144-Core
CPU socketFCLGA 4710
Maximum turbo clock2.7 GHz
TDP rating250 W
Processor codenameSierra Forest
CPU threads144
Level 3 cache108 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

What is the thermal design power that will limit sustained performance under load?

The processor has a 250 W TDP, which defines the cooling capacity required to maintain its 1.9 GHz base frequency during continuous all-core workloads.

How much heat and power should I plan for when this CPU runs at full load all day?

At maximum sustained operation the chip draws 250 W, so the cooling solution and power delivery must handle that continuous thermal output without throttling.

Which motherboard socket and memory type must already be in place for this processor to function?

The CPU requires an FCLGA 4710 socket and DDR5 memory running at 6400 MT/s across eight channels to operate.

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