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Intel Xeon W5-2455X processor in LGA 4677 package with gold contacts and silver heat spreader

Intel

Intel Xeon W5-2455X server processor PK8071305127200

SKU CH-T97Q-X4SPX MPN PK8071305127200

12-core Xeon server processor with 3.2 GHz base, 4.6 GHz turbo, 30 MB L3 cache, DDR5-4800 quad-channel support and 64 PCIe 5.0 lanes

  • NameXeon W5-2455X
  • CPU Socket TypeLGA 4677
  • Core NameSapphire Rapids
  • # of Cores12-Core
  • # of Threads24
  • Operating Frequency3.2 GHz
  • 12 cores and 24 threads accelerate multi-threaded workloads
  • 2 GHz base with 4.60 GHz max turbo boosts single-thread speed
  • 30 MB L3 cache reduces latency for large datasets
  • DDR5 4800 quad-channel controller supports up to 2 TB memory
  • PCIe 5.0 with 64 lanes enables high-bandwidth I/O expansion

Intel Xeon W5-2455X 12-Core Server Processor

This Intel Xeon W5-2455X is a 12-core, 24-thread server processor built for the LGA 4677 socket. It operates at a base frequency of 3.2 GHz and reaches a maximum turbo frequency of 4.60 GHz with Intel Turbo Boost Max Technology 3.0. The chip provides 30 MB of L3 cache, quad-channel DDR5-4800 memory support up to 2 TB, and 64 lanes of PCI Express 5.0 connectivity. It is manufactured on a 7 nm process with a base power of 200 W and a maximum turbo power of 240 W.

Suited for workstations needing high core counts

This processor suits professionals running multi-threaded workloads such as rendering, simulation, or virtualization that benefit from 12 cores, 24 threads, and quad-channel DDR5 memory. The 64 PCIe 5.0 lanes support high-speed storage and accelerator cards. Buyers who need fewer cores, lower power draw, or compatibility with older motherboards should look at alternative products. Systems must provide cooling capable of handling up to 240 W turbo power and a motherboard with the LGA 4677 socket.

LGA 4677 socket requirement

The single specification that decides fit is the CPU socket type: this processor only installs in an LGA 4677 socket. No other socket will accept it. Verify that your motherboard explicitly lists LGA 4677 support before purchase.

Pontos fortes

  • 12 cores and 24 threads accelerate multi-threaded workloads
  • 2 GHz base with 4.60 GHz max turbo boosts single-thread speed
  • 30 MB L3 cache reduces latency for large datasets
  • DDR5 4800 quad-channel controller supports up to 2 TB memory
  • PCIe 5.0 with 64 lanes enables high-bandwidth I/O expansion

Especificações

BrandIntel
SeriesIntel Xeon W
NameXeon W5-2455X
ModelPK8071305127200
CPU Socket TypeLGA 4677
Core NameSapphire Rapids
# of Cores12-Core
# of Threads24
Operating Frequency3.2 GHz
Max Turbo FrequencyMax Turbo Frequency: 4.60 GHz
Intel Turbo Boost Max Technology 3.0 Frequency: 4.60 GHz
Intel Turbo Boost Technology 2.0 Frequency: 4.40 GHz
L3 Cache30 MB
64-Bit SupportYes
Hyper-Threading SupportYes
Manufacturing Tech7 nm
Integrated Memory Controller SpeedDDR5 4800
Maximum Memory Capacity2TB
Memory ChannelQuad Channel
Virtualization Technology SupportYes
PCI Express Revision5.0
Max # of PCI Express Lanes64
Thermal Design PowerProcessor Base Power: 200 W
Maximum Turbo Power: 240 W
Peso de envio1.14 kg
Dimensões da embalagem195 × 147 × 130 mm

Perguntas sobre este artigo

Which motherboard socket and memory type do I need to install this Xeon W5-2455X?

The processor fits an LGA 4677 socket and requires DDR5 memory running at 4800 MT/s across four channels.

Will my existing PCIe 4.0 add-in cards work at full speed with the 64 lanes of PCIe 5.0 on this CPU?

Yes, PCIe 5.0 is backward compatible so PCIe 4.0 cards will operate at their rated 4.0 speeds using the available lanes.

How can I verify the CPU is hitting its 4.60 GHz Turbo Boost Max 3.0 frequency after assembly?

Monitor per-core clocks under a single-threaded load with a tool such as Intel XTU or HWiNFO; the hottest core should reach 4.60 GHz.

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