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Rectangular Intel Xeon 6 server processor in green fibre-reinforced substrate with gold contact pads and silver metal heat spreader

Intel

Intel Xeon 6738P 32-core 2.9 GHz server processor PK8072006347900

SKU CH-BS75-DNQZV MPN PK8072006347900

32-core server processor with 64 threads, 144MB L3 cache and DDR5-6400 memory support

  • NameXeon 6738P
  • CPU Socket TypeFCLGA 4710
  • Core NameGranite Rapids
  • # of Cores32-Core
  • # of Threads64
  • Operating Frequency2.9 GHz
  • 32 cores and 64 threads accelerate parallel workloads
  • 9 GHz base with 4.2 GHz max turbo boosts single-thread speed
  • 144 MB L3 cache reduces latency for large datasets
  • DDR5 6400 support delivers high memory bandwidth
  • PCIe 5.0 with 88 lanes enables fast I/O expansion

Granite Rapids 32-core server processor

The Intel Xeon 6738P delivers 32 cores and 64 threads in an FCLGA 4710 package built on 3 nm manufacturing technology. Base frequency runs at 2.9 GHz with all-core turbo reaching 4.1 GHz and maximum single-core turbo at 4.2 GHz. Designed for multi-socket scalability up to eight sockets, it targets dense compute clusters and virtualised infrastructure workloads.

144 MB L3 cache and DDR5-6400 controller

A shared 144 MB L3 cache reduces inter-core latency while the integrated memory controller supports DDR5 at 6400 MT/s across eight channels for up to 4 TB total capacity. PCI Express 5.0 provides 88 lanes for high-bandwidth accelerators, storage arrays and networking adapters. Four UPI links at 24 GT/s enable coherent 4S and 8S topologies without external switches.

Thermal design power of 270 watts

The 270 W TDP demands robust liquid or high-airflow cooling solutions not included in the processor-only package. Memory bandwidth scales with populated channels, so partially filled configurations will not reach peak throughput. Workloads requiring more than 88 PCIe lanes or single-thread frequencies beyond 4.2 GHz will hit platform limits.

Highlights

  • 32 cores and 64 threads accelerate parallel workloads
  • 9 GHz base with 4.2 GHz max turbo boosts single-thread speed
  • 144 MB L3 cache reduces latency for large datasets
  • DDR5 6400 support delivers high memory bandwidth
  • PCIe 5.0 with 88 lanes enables fast I/O expansion

Specifications

BrandIntel
SeriesXeon 6
NameXeon 6738P
ModelPK8072006347900
CPU Socket TypeFCLGA 4710
Core NameGranite Rapids
# of Cores32-Core
# of Threads64
Operating Frequency2.9 GHz
Max Turbo FrequencyMax Turbo Frequency 4.2 GHz
All Core Turbo Frequency 4.1 GHz
L3 Cache144MB
64-Bit SupportYes
Hyper-Threading SupportYes
Manufacturing Tech3 nm
Integrated Memory Controller SpeedDDR5 6400
Maximum Memory Capacity4TB
Virtualization Technology SupportYes
Scalability4S_8S
PCI Express Revision5.0
Max # of PCI Express Lanes88
Multimedia InstructionIntel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512, Intel AMX
Thermal Design Power270W
Cooling DeviceCooling device not included - Processor Only
Shipping weight0.68 kg
Package size152 × 127 × 5 mm

Questions about this item

Will the 270 W thermal design power require a specific server-grade cooler for the FCLGA 4710 socket?

Yes, the processor is sold without a cooling device, so a compatible server heatsink rated for at least 270 W must be sourced separately.

At the all-core turbo of 4.1 GHz, does the 270 W TDP become the sustained power ceiling?

The 270 W TDP represents the base power target; sustained all-core operation at 4.1 GHz will typically stay at or near this limit under typical server workloads.

How much heat and fan noise should I expect from a 270 W Xeon running 24/7 in a 1U chassis?

A 270 W processor in a 1U system usually demands high-RPM fans, producing noticeable airflow noise; adequate chassis airflow and a properly rated heatsink are essential.

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