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Rectangular green server processor with gold contacts and silver heatspreader, LGA 4677 socket

Intel

Intel Xeon Gold 5418Y PK8071305120301 24-core 2.0 GHz server processor

SKU CH-9AC0-VJXW9 MPN PK8071305120301

24-core server CPU with 2.0 GHz base clock, 3.8 GHz turbo, 45 MB L3 cache and DDR5-4400 support for dual-socket platforms

  • NameXeon Gold 5418Y
  • CPU Socket TypeLGA 4677
  • Core NameSapphire Rapids
  • # of Cores24-Core
  • # of Threads48
  • Operating Frequency2.0 GHz
  • 24 cores and 48 threads accelerate parallel workloads
  • 0 GHz base with 3.8 GHz max turbo handles burst demands
  • 45 MB L3 cache reduces latency for large datasets
  • 8-channel DDR5 4400 controller feeds up to 4 TB memory
  • PCIe 5.0 with 80 lanes supports high-throughput I/O

Purpose-built server processor

The Intel Xeon Gold 5418Y is a 24-core, 48-thread CPU designed for dual-socket server platforms using the LGA 4677 socket. It targets workloads that benefit from high core counts and large memory capacity, such as virtualisation, database hosting and compute-intensive applications. The processor supports up to 4 TB of DDR5 memory across eight channels.

Thermals and power profile

With a thermal design power of 185 W the chip requires robust cooling; no cooler is included in the package. Base frequency sits at 2.0 GHz and can reach 3.8 GHz under turbo, so sustained loads will draw near the rated power. The 10 nm Sapphire Rapids architecture balances density and efficiency for continuous operation in rack environments.

Build and connectivity implications

The package delivers 80 lanes of PCI Express 5.0, enabling direct attachment of multiple high-speed accelerators, storage controllers or networking cards without bandwidth bottlenecks. Eight memory channels demand a motherboard with a full complement of DIMM slots to realise the 4 TB limit. Scalability is limited to two-socket configurations.

Highlights

  • 24 cores and 48 threads accelerate parallel workloads
  • 0 GHz base with 3.8 GHz max turbo handles burst demands
  • 45 MB L3 cache reduces latency for large datasets
  • 8-channel DDR5 4400 controller feeds up to 4 TB memory
  • PCIe 5.0 with 80 lanes supports high-throughput I/O

Specifications

BrandIntel
SeriesIntel Xeon Gold
NameXeon Gold 5418Y
ModelPK8071305120301
CPU Socket TypeLGA 4677
Core NameSapphire Rapids
# of Cores24-Core
# of Threads48
Operating Frequency2.0 GHz
Max Turbo Frequency3.8 GHz
L3 Cache45MB
64-Bit SupportYes
Manufacturing Tech10 nm
Integrated Memory Controller SpeedDDR5 4400
Maximum Memory Capacity4TB
Memory Channel8 Channel
Virtualization Technology SupportYes
Scalability2S
PCI Express Revision5.0
Max # of PCI Express Lanes80
Multimedia InstructionIntel AMX, Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512
Thermal Design Power185W
Cooling DeviceCooling device not included - Processor Only
Shipping weight0.23 kg
Package size127 × 102 × 13 mm

Questions about this item

How is the LGA 4677 processor seated and what alignment step is often missed?

Align the notches on the 24-core chip with the socket keys, lower it vertically without tilting, then engage the retention lever fully; the common error is partially closing the lever before the package sits flat.

What cooling upkeep does the 185 W TDP demand over time?

Replace thermal paste every two to three years and verify the heatsink fan spins at rated RPM; dust buildup on fins reduces dissipation and can trigger throttling on this 10 nm part.

At what point does the 3.8 GHz turbo ceiling limit sustained all-core workloads?

When all 24 cores run AVX-512 the package hits its 185 W power budget, forcing frequencies below the single-core 3.8 GHz maximum to stay within thermal limits.

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