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Intel Xeon Platinum 8461V server processor, silver heat spreader, LGA 4677 socket, rectangular green substrate with gold contact pads

Intel

Intel Xeon Platinum 8461V 48-Core 2.2 GHz Server Processor PK8071305073201

SKU CH-SM63-4HNB3 MPN PK8071305073201

48-core server CPU with 96 threads, 97.5MB L3 cache and DDR5-4800 support for single-socket platforms

  • NameXeon Platinum 8461V
  • CPU Socket TypeLGA 4677
  • Core NameSapphire Rapids
  • # of Cores48-Core
  • # of Threads96
  • Operating Frequency2.2 GHz
  • 48 cores and 96 threads handle heavy parallel workloads
  • 2 GHz base with 3.70 GHz max turbo frequency speeds demanding tasks
  • 5 MB L3 cache keeps large data sets close to cores
  • Eight-channel DDR5 up to 4800 MT/s feeds memory-intensive applications
  • 80 PCIe 5.0 lanes provide high-bandwidth I/O for storage and accelerators

48-Core Xeon for Single-Socket Servers

The Intel Xeon Platinum 8461V is a 48-core, 96-thread server processor built for single-socket platforms. It operates at a 2.2 GHz base frequency and can reach a 3.70 GHz max turbo frequency. The LGA 4677 socket and 10 nm Sapphire Rapids architecture support DDR5 memory across eight channels. This CPU targets workloads that need high core counts in a one-socket configuration.

Sustained Load Behaviour with 300 W TDP

With a thermal design power of 300 W, the processor is rated to maintain its 2.2 GHz base frequency across all 48 cores under continuous load. The 97.5 MB L3 cache helps keep data close to the cores during long-running compute tasks. Maximum turbo of 3.70 GHz is opportunistic and depends on thermal headroom and power limits set by the platform. The 1S-only scalability means no multi-socket interconnect traffic to manage.

Thermals, Noise and Power in Normal Use

The 300 W rating defines the cooling capacity the system must provide; the processor ships without a cooling device. Acoustic output will depend entirely on the chosen heatsink or liquid loop and the fan curves configured in the chassis. Power draw at idle or light load will be lower than the rated TDP, but sustained heavy workloads can approach the full 300 W. Adequate airflow and a properly sized cooler are required for stable operation.

Pontos fortes

  • 48 cores and 96 threads handle heavy parallel workloads
  • 2 GHz base with 3.70 GHz max turbo frequency speeds demanding tasks
  • 5 MB L3 cache keeps large data sets close to cores
  • Eight-channel DDR5 up to 4800 MT/s feeds memory-intensive applications
  • 80 PCIe 5.0 lanes provide high-bandwidth I/O for storage and accelerators

Especificações

BrandIntel
SeriesIntel Xeon Platinum
NameXeon Platinum 8461V
ModelPK8071305073201
CPU Socket TypeLGA 4677
Core NameSapphire Rapids
# of Cores48-Core
# of Threads96
Operating Frequency2.2 GHz
Max Turbo Frequency3.70 GHz
L3 Cache97.5MB
64-Bit SupportYes
Manufacturing Tech10 nm
Integrated Memory Controller SpeedUp to DDR5 4800 MT/s 1DPC
Up to DDR5 4400 MT/s 2DPC
Maximum Memory Capacity4TB
Memory Channel8 Channel
Virtualization Technology SupportYes
Scalability1S Only
PCI Express Revision5.0
Max # of PCI Express Lanes80
Thermal Design Power300W
Cooling DeviceCooling device not included - Processor Only
Peso de envio0.23 kg
Dimensões da embalagem127 × 102 × 25 mm

Perguntas sobre este artigo

How much heat does the 300 W TDP generate under sustained load?

The processor has a 300 W thermal design power, so a server-grade cooler or liquid loop rated for at least that heat output is required for continuous operation.

Which memory kits must I already have for the 8-channel DDR5 controller?

You need DDR5 modules; the controller runs up to 4800 MT/s with one DIMM per channel or 4400 MT/s with two DIMMs per channel across eight channels.

Will my existing PCIe 4.0 add-in cards work with the 80-lane PCIe 5.0 root complex?

Yes, PCIe 5.0 slots are backward compatible, so PCIe 4.0 cards will operate at their native speeds using the available lanes.

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