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Square green circuit board with gold contacts and silver metal heat spreader marked Intel Xeon Platinum 8558

Intel

Intel PK8072205512300 Xeon Platinum 8558 48-core 2.1 GHz server processor

SKU CH-WT7P-RTDGY MPN PK8072205512300

48-core server CPU with 96 threads, 2.1 GHz base and 4.0 GHz max turbo, 260 MB L3 cache, LGA 4677 socket, and 80 PCIe 5.0 lanes

  • NameXeon Platinum 8558
  • CPU Socket TypeLGA 4677
  • Core NameEmerald Rapids
  • # of Cores48-Core
  • # of Threads96
  • Operating Frequency2.1 GHz
  • 48 cores and 96 threads handle heavy parallel workloads
  • 1 GHz base with 4.0 GHz max turbo adapts to burst demands
  • 260 MB L3 cache keeps large data sets close to the cores
  • 8 memory channels at 5200 MHz feed bandwidth-hungry applications
  • 80 PCIe 5.0 lanes connect high-speed accelerators and storage

Intel Xeon Platinum 8558 48-core server processor

The Intel Xeon Platinum 8558 is a 48-core server processor built on the Emerald Rapids architecture. It runs at a 2.1 GHz base frequency and reaches a 4.0 GHz maximum turbo frequency. The processor supports 96 threads and provides 260 MB of L3 cache. It fits the LGA 4677 socket and has a 330 W thermal design power.

Who this suits and who should look elsewhere

This processor suits operators running heavily threaded workloads on dual-socket platforms that can deliver 330 W of cooling. The 80 PCIe 5.0 lanes and eight memory channels at 5200 MHz support high I/O and memory bandwidth needs. Buyers who need a lower power envelope or a single-socket platform should look elsewhere.

Deciding specification: 330 W thermal design power

The 330 W thermal design power is the single specification that decides whether this is the right part. Your server chassis, power supply and cooling solution must be rated to handle this heat load continuously. If the infrastructure cannot sustain 330 W per socket, the processor will throttle or become unstable.

Points forts

  • 48 cores and 96 threads handle heavy parallel workloads
  • 1 GHz base with 4.0 GHz max turbo adapts to burst demands
  • 260 MB L3 cache keeps large data sets close to the cores
  • 8 memory channels at 5200 MHz feed bandwidth-hungry applications
  • 80 PCIe 5.0 lanes connect high-speed accelerators and storage

Caractéristiques

BrandIntel
SeriesIntel Xeon Platinum
NameXeon Platinum 8558
ModelPK8072205512300
CPU Socket TypeLGA 4677
Core NameEmerald Rapids
# of Cores48-Core
# of Threads96
Operating Frequency2.1 GHz
Max Turbo Frequency4.0 GHz
L3 Cache260MB
64-Bit SupportYes
Manufacturing Tech10 nm
Integrated Memory Controller Speed5200 MHz
Maximum Memory Capacity4TB
Memory Channel8 Channel
Virtualization Technology SupportYes
Scalability2S
PCI Express Revision5.0
Max # of PCI Express Lanes80
Thermal Design Power330W
Cooling DeviceCooling device not included - Processor Only
Poids d’expédition0.45 kg
Dimensions du colis25 × 25 × 6 mm

Questions sur cet article

Does the LGA 4677 socket require a specific heatsink mounting pattern for this 330 W processor?

The LGA 4677 socket uses Intel's standard server mounting holes, but the 330 W TDP means you must use a cooler rated for at least 330 W and confirm the bracket clears the 48-core package.

What BIOS setting is commonly missed when installing the Xeon Platinum 8558 in a dual-socket board?

After seating both CPUs, enable the 2S scalability link in BIOS so the two 8558 processors can share memory and PCIe lanes across the 80 available lanes.

When should the thermal interface material be replaced on this 48-core server CPU?

Replace the thermal paste whenever the heatsink is removed; the 10 nm Emerald Rapids die runs at up to 4.0 GHz turbo, so fresh compound keeps the 330 W heat load under control.

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