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Intel Xeon Gold 6428N server processor, silver heat spreader, LGA 4677 socket, new condition

Intel

Intel Xeon Gold 6428N PK8071305121901 32-core 1.8 GHz server processor

SKU CH-F6QN-MN9RP MPN PK8071305121901

32-core server processor with 60 MB L3 cache, 1.8 GHz base and 3.8 GHz turbo, DDR5-4800 support and 80 PCIe 5.0 lanes

  • NameXeon Gold 6428N
  • CPU Socket TypeLGA 4677
  • Core NameSapphire Rapids
  • # of Cores32-Core
  • # of Threads64
  • Operating Frequency1.8 GHz
  • 32 cores and 64 threads scale heavy parallel workloads
  • 60 MB L3 cache keeps large data sets close to execution units
  • Max turbo 3.8 GHz lifts single-thread bursts when needed
  • 8-channel DDR5 4800 controller feeds up to 4 TB memory
  • PCIe 5.0 with 80 lanes connects high-bandwidth accelerators and storage

Server Processor for Two-Socket Platforms

The Intel Xeon Gold 6428N is a 32-core, 64-thread server CPU built on 10 nm Sapphire Rapids architecture. It operates at a 1.8 GHz base frequency and reaches a 3.8 GHz maximum turbo frequency. The processor fits the LGA 4677 socket and has a 185 W thermal design power.

Suited for Scalable Virtualisation

This processor supports up to 4 TB of DDR5 4800 memory across eight channels, making it suitable for dense virtualisation and large in-memory databases. Two-socket scalability allows expanded core count and memory capacity. Buyers who need single-socket operation only or who require a lower power envelope should evaluate other options.

Deciding Specification: 80 PCIe 5.0 Lanes

The chip provides 80 lanes of PCI Express 5.0 for high-bandwidth add-in cards and storage. This lane count determines how many accelerators, network adapters or drive controllers can run at full speed simultaneously. If the target chassis or workload cannot use this connectivity, a processor with fewer lanes may be more appropriate.

Highlights

  • 32 cores and 64 threads scale heavy parallel workloads
  • 60 MB L3 cache keeps large data sets close to execution units
  • Max turbo 3.8 GHz lifts single-thread bursts when needed
  • 8-channel DDR5 4800 controller feeds up to 4 TB memory
  • PCIe 5.0 with 80 lanes connects high-bandwidth accelerators and storage

Specifications

BrandIntel
SeriesIntel Xeon Gold
NameXeon Gold 6428N
ModelPK8071305121901
CPU Socket TypeLGA 4677
Core NameSapphire Rapids
# of Cores32-Core
# of Threads64
Operating Frequency1.8 GHz
Max Turbo Frequency3.8 GHz
L3 Cache60MB
64-Bit SupportYes
Manufacturing Tech10 nm
Integrated Memory Controller SpeedDDR5 4800
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 much heat does the 185 W Xeon Gold 6428N generate under sustained load?

The processor has a thermal design power of 185 W, so a server-grade cooler rated for at least that TDP is required for continuous operation.

What memory and motherboard socket are needed for the 32-core Xeon Gold 6428N?

It requires a LGA 4677 socket and DDR5 4800 memory across eight channels; the cooling device is not included.

Can the Xeon Gold 6428N share a system with older PCIe 4.0 add-in cards?

Yes, its 80 lanes of PCIe 5.0 are backward compatible with PCIe 4.0 and 3.0 devices, so existing cards will function at their rated speeds.

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