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Intel Xeon Platinum 8454H server CPU in LGA 4677 package, silver heat-spreader with gold contacts

Intel

Intel PK8071305074601 Xeon Platinum 8454H 32-core 2.1 GHz server processor

SKU CH-E32Y-448MY MPN PK8071305074601

A 32-core server processor with 64 threads, 82.5 MB L3 cache and eight-channel DDR5 support up to 4 TB

  • NameXeon Platinum 8454H
  • CPU Socket TypeLGA 4677
  • Core NameSapphire Rapids
  • # of Cores32-Core
  • # of Threads64
  • Operating Frequency2.1 GHz
  • 32 cores and 64 threads handle heavy parallel workloads
  • 1 GHz base with 3.4 GHz max turbo adapts to burst demands
  • 5 MB L3 cache reduces latency for large datasets
  • Eight-channel DDR5 up to 4800 MT/s feeds memory-intensive applications
  • PCIe 5.0 with 80 lanes enables high-speed I/O expansion

32-Core Xeon for dense compute

The Intel Xeon Platinum 8454H delivers 32 cores and 64 threads at a 2.1 GHz base frequency, reaching 3.4 GHz max turbo. Built on 10 nm Sapphire Rapids architecture, it targets multi-socket servers handling virtualisation, database and high-performance workloads that scale across up to eight sockets. The 82.5 MB L3 cache supports heavy parallel throughput.

DDR5 memory subsystem limits

Eight memory channels run DDR5 at up to 4800 MT/s with one DIMM per channel, dropping to 4400 MT/s when two DIMMs populate a channel. Maximum supported capacity is 4 TB. PCIe 5.0 provides 80 lanes for high-bandwidth accelerators, storage and networking. The 270 W thermal design power requires robust server-grade cooling; no cooler is included.

Capacity headroom and constraints

The processor comfortably fits large in-memory databases, dense virtual-machine fleets and multi-node simulation jobs within its 4 TB memory ceiling and 80 PCIe lanes. Workloads demanding more than eight sockets, memory speeds above 4800 MT/s, or integrated graphics must look elsewhere. Single-thread latency-sensitive tasks gain less from the high core count.

Highlights

  • 32 cores and 64 threads handle heavy parallel workloads
  • 1 GHz base with 3.4 GHz max turbo adapts to burst demands
  • 5 MB L3 cache reduces latency for large datasets
  • Eight-channel DDR5 up to 4800 MT/s feeds memory-intensive applications
  • PCIe 5.0 with 80 lanes enables high-speed I/O expansion

Specifications

BrandIntel
SeriesIntel Xeon Platinum
NameXeon Platinum 8454H
ModelPK8071305074601
CPU Socket TypeLGA 4677
Core NameSapphire Rapids
# of Cores32-Core
# of Threads64
Operating Frequency2.1 GHz
Max Turbo Frequency3.4 GHz
L3 Cache82.5MB
64-Bit SupportYes
Hyper-Threading 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
ScalabilityS8S
PCI Express Revision5.0
Max # of PCI Express Lanes80
Thermal Design Power270W
Cooling DeviceCooling device not included - Processor Only
Shipping weight0.23 kg
Package size127 × 102 × 25 mm

Questions about this item

Should I pick a processor with 32 cores and 64 threads or a different core count?

The 32 cores and 64 threads suit heavily parallel workloads such as virtualization or database serving; fewer cores would lower parallel throughput while more cores would raise power and cooling demands.

What does the 2.1 GHz base frequency mean when the chip is installed in a server?

It is the guaranteed all-core speed under a 270 W thermal envelope; sustained workloads run at or near this rate while lighter loads can lift toward 3.4 GHz max turbo within the same power limit.

How does the PCI Express 5.0 interface with 80 lanes affect expansion options?

The 80 lanes at PCIe 5.0 provide high bandwidth for accelerators, storage controllers and networking cards, with the lane count determining how many devices can run at full width simultaneously.

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