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Intel Xeon 656 server CPU, silver heat spreader, LGA 4710 socket, new condition

Intel

Intel Xeon 656 PK8072007104700 20-core 2.9 GHz server processor

SKU CH-S46X-4V7BA MPN PK8072007104700

20-core server CPU with 40 threads, 72 MB L3 cache, eight-channel DDR5-6400 support up to 4 TB and 128 PCIe 5.0 lanes

  • NameXeon 656
  • CPU Socket TypeLGA 4710
  • Core NameGranite Rapids
  • # of Cores20-Core (20P+0E)
  • # of Threads40
  • Operating Frequency2.9 GHz
  • 20 performance cores and 40 threads handle heavy parallel workloads
  • 9 GHz base clock with 4.8 GHz max turbo boost accelerates burst tasks
  • 72 MB L3 cache reduces latency for large data sets
  • 8-channel DDR5 6400 MHz controller feeds up to 4 TB of memory
  • 128 PCIe 5.0 lanes provide high-bandwidth I/O for storage and accelerators

Xeon 656 20-core server processor

The Intel Xeon 656 is a 20-core server processor built on the Intel 3 process with Granite Rapids cores. It operates at a 2.9 GHz base frequency and reaches a 4.8 GHz maximum turbo frequency. The chip provides 40 threads and 72MB of L3 cache for multi-threaded server workloads.

LGA 4710 socket and DDR5 6400 MHz memory

This processor requires a motherboard with an LGA 4710 socket and supports eight channels of DDR5 memory at 6400 MHz. The platform is limited to single-socket configurations and delivers 128 lanes of PCI Express 5.0 connectivity. Verify that your chassis and power delivery can accommodate a 210 W thermal design power.

Sustained 210 W load with 252 W turbo peaks

Under continuous heavy load the CPU runs at its 210 W thermal design power, while short bursts can draw up to 252 W. The 20 performance cores maintain high throughput for virtualisation, database and compute tasks without efficiency cores to manage. Adequate cooling is essential to prevent throttling during extended operation.

Points forts

  • 20 performance cores and 40 threads handle heavy parallel workloads
  • 9 GHz base clock with 4.8 GHz max turbo boost accelerates burst tasks
  • 72 MB L3 cache reduces latency for large data sets
  • 8-channel DDR5 6400 MHz controller feeds up to 4 TB of memory
  • 128 PCIe 5.0 lanes provide high-bandwidth I/O for storage and accelerators

Caractéristiques

BrandIntel
SeriesXeon 6
NameXeon 656
Part NumberPK8072007104700
CPU Socket TypeLGA 4710
Core NameGranite Rapids
# of Cores20-Core (20P+0E)
# of Threads40
Operating Frequency2.9 GHz
Max Turbo FrequencyMax Turbo Frequency: 4.8 GHz
Intel Turbo Boost Max Technology 3.0 Frequency: 4.8 GHz
Intel Turbo Boost Technology 2.0 Frequency: 4.6 GHz
L3 Cache72MB
64-Bit SupportYes
Hyper-Threading SupportYes
Manufacturing TechIntel 3
Integrated Memory Controller SpeedDDR5 6400MHz
Maximum Memory Capacity4TB
Memory Channel8 Channel
Virtualization Technology SupportYes
Scalability1S Only
PCI Express Revision5.0
Max # of PCI Express Lanes128
Multimedia InstructionIntel SSE4.1, Intel AMX, Intel SSE4.2, Intel AVX2, Intel AVX-512
Thermal Design Power210W
Max Turbo Power252W
Poids d’expédition0.24 kg
Dimensions du colis183 × 152 × 76 mm

Questions sur cet article

Does the Intel Xeon 656 PK8072007104700 include a heatsink or fan in the box, or must I buy a cooler separately?

The processor is sold as a tray unit without a heatsink or fan; a compatible LGA 4710 cooler rated for 210 W base and 252 W turbo must be purchased separately.

When should I choose the 20-core Xeon 656 over other SKUs in the Xeon 6 line?

Select the 656 when a single-socket server needs 20 performance cores, 40 threads, 72 MB L3 cache and a 2.9 GHz base clock with 4.8 GHz max turbo within a 210 W envelope.

What does the 4.8 GHz max turbo figure deliver in a live server running AVX-512 workloads?

The 4.8 GHz Intel Turbo Boost Max 3.0 frequency can be reached on up to two cores when power and thermal headroom allow, accelerating AVX-512 vector code and AMX matrix operations.

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