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Rectangular green server processor with gold contact pads and silver heat spreader, no graphics output

Intel

Intel Xeon 6 6979P PK8072006023000 120-core 2.1 GHz server processor

SKU CH-XZBE-B9BBN MPN PK8072006023000

120-core server CPU with 240 threads, 2.1 GHz base clock, 3.9 GHz max turbo, 504 MB L3 cache, DDR5-6400 support, and 500 W TDP

  • NameXeon 6979P
  • CPU Socket TypeFCLGA 7529
  • Core NameGranite Rapids
  • # of Cores120-Core
  • # of Threads240
  • Operating Frequency2.1 GHz
  • 120 cores and 240 threads handle massive parallel workloads
  • 1 GHz base and 3.9 GHz max turbo frequency balance sustained and burst performance
  • 504 MB L3 cache reduces latency for data-intensive applications
  • 12-channel DDR5 6400 memory controller supports up to 3 TB capacity
  • PCIe 5.0 and six UPI links at 24 GT/s enable high-speed I/O and two-socket scalability

Purpose-built density

The Intel Xeon 6 6979P is a 120-core server processor designed for dense compute clusters and memory-heavy workloads. It delivers 240 threads at a 2.1 GHz base frequency with a 3.9 GHz maximum turbo. The 3 nm Granite Rapids architecture supports twelve DDR5-6400 channels and up to 3 TB of memory.

Thermals and power

A 500 W TDP defines the thermal envelope for sustained all-core operation. Six UPI links at 24 GT/s provide coherent interconnect bandwidth between sockets in two-socket platforms. The LGA-7529 socket and 3 nm process enable the core density without exceeding the rated power limit.

Platform enablement

Twelve memory channels and PCIe 5.0 lanes are exposed directly from the package, removing the need for external controllers. Virtualization technology and 64-bit support are active across all 240 threads. The OEM package includes no cooler or software, so integrators supply their own thermal solution and management stack.

Highlights

  • 120 cores and 240 threads handle massive parallel workloads
  • 1 GHz base and 3.9 GHz max turbo frequency balance sustained and burst performance
  • 504 MB L3 cache reduces latency for data-intensive applications
  • 12-channel DDR5 6400 memory controller supports up to 3 TB capacity
  • PCIe 5.0 and six UPI links at 24 GT/s enable high-speed I/O and two-socket scalability

Specifications

BrandIntel
SeriesXeon 6
NameXeon 6979P
ModelPK8072006023000
CPU Socket TypeFCLGA 7529
Core NameGranite Rapids
# of Cores120-Core
# of Threads240
Operating Frequency2.1 GHz
Max Turbo Frequency3.9 GHz
L3 Cache504MB
64-Bit SupportYes
Hyper-Threading SupportYes
Manufacturing Tech3 nm
Integrated Memory Controller SpeedDDR5 6400
Maximum Memory Capacity3TB
Memory Channel12 Channel
Virtualization Technology SupportYes
Scalability2S
PCI Express Revision5.0
Max # of PCI Express Lanes96
Thermal Design Power500W
Cooling DeviceCooling device not included - Processor Only
Shipping weight0.12 kg
Package size78 × 64 × 57 mm

Questions about this item

How is the FCLGA 7529 processor installed, and what step is most often missed?

Align the notches on the 120-core chip with the socket keys, lower it straight down without pressure, then close the retention lever until it clicks; the step most often missed is verifying the lever is fully latched before applying thermal paste.

What maintenance will the 500 W TDP cooling solution need over time?

Plan to clean dust from the heatsink fins and replace the thermal interface material every 12 to 24 months to maintain the 2.1 GHz base frequency under sustained load.

What limit appears first when all 240 threads run at 3.9 GHz turbo continuously?

The 500 W thermal envelope is reached before the 12-channel DDR5 6400 memory bandwidth saturates, so the processor will throttle to stay within its power budget.

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