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Silver square LGA 4677 server processor with gold contacts and integrated heat spreader

Intel

Intel PK8071305121300 Xeon Gold 6448H 32-core server processor

SKU CH-0MBM-3H467 MPN PK8071305121300

32-core server processor with 60 MB L3 cache, 2.4 GHz base and 4.1 GHz turbo frequencies, DDR5-4800 support up to 4 TB, 80 PCIe 5.0 lanes and 250 W TDP

  • NameXeon Gold 6448H
  • CPU Socket TypeLGA 4677
  • Core NameSapphire Rapids
  • # of Cores32-Core
  • # of Threads64
  • Operating Frequency2.4 GHz
  • 32 cores and 64 threads handle parallel workloads efficiently
  • 4 GHz base with 4.1 GHz max turbo frequency scales performance
  • 60 MB L3 cache reduces latency for large data sets
  • 8-channel DDR5 4800 memory controller supports up to 4 TB capacity
  • PCIe 5.0 with 80 lanes enables high-bandwidth I/O expansion

Socket LGA 4677 server processor

The Intel Xeon Gold 6448H is a 32-core, 64-thread CPU built on 10 nm Sapphire Rapids architecture. It runs at a 2.4 GHz base frequency with a 4.1 GHz maximum turbo. Designed for multi-socket servers, it supports up to 4 TB of DDR5 4800 memory across eight channels and provides 80 PCIe 5.0 lanes. The 250 W thermal design power requires robust cooling in a compatible chassis.

Verify motherboard and memory compatibility

Confirm the board uses the LGA 4677 socket and supports the S4S scalability topology. Ensure the platform firmware is updated for 4th Generation Xeon Scalable processors. Memory must be DDR5 4800; earlier DDR generations will not fit or function. The 80 PCIe 5.0 lanes need matching backplane or riser support for full utilisation.

Processor-only packaging demands adequate cooling

The unit ships without a heatsink or fan, so a 250 W-rated server cooler must be sourced separately. Eight memory channels mean eight DIMM slots per socket; populate all for maximum bandwidth. The 60 MB L3 cache and Intel AMX, AVX-512 instruction sets accelerate AI and HPC workloads. Multi-socket trays need sufficient airflow to sustain turbo frequencies under load.

Highlights

  • 32 cores and 64 threads handle parallel workloads efficiently
  • 4 GHz base with 4.1 GHz max turbo frequency scales performance
  • 60 MB L3 cache reduces latency for large data sets
  • 8-channel DDR5 4800 memory controller supports up to 4 TB capacity
  • PCIe 5.0 with 80 lanes enables high-bandwidth I/O expansion

Specifications

BrandIntel
SeriesIntel Xeon Gold
NameXeon Gold 6448H
ModelPK8071305121300
CPU Socket TypeLGA 4677
Core NameSapphire Rapids
# of Cores32-Core
# of Threads64
Operating Frequency2.4 GHz
Max Turbo Frequency4.1 GHz
L3 Cache60MB
64-Bit SupportYes
Manufacturing Tech10 nm
Integrated Memory Controller SpeedDDR5 4800
Maximum Memory Capacity4TB
Memory Channel8 Channel
Virtualization Technology SupportYes
ScalabilityS4S
PCI Express Revision5.0
Max # of PCI Express Lanes80
Multimedia InstructionIntel AMX, Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512
Thermal Design Power250W
Cooling DeviceCooling device not included - Processor Only
Shipping weight0.23 kg
Package size127 × 102 × 13 mm

Questions about this item

Does the Intel Xeon Gold 6448H processor include a cooling device in the box?

The processor is sold without a cooling device; a compatible LGA 4677 cooler rated for 250 W must be purchased separately.

Which memory specification should I select for the 8-channel controller on this CPU?

Choose DDR5 4800 modules; the integrated controller runs eight channels at that speed for up to 4 TB total capacity.

What does the 4.1 GHz max turbo frequency deliver in a live server workload?

The 4.1 GHz peak applies to lightly threaded bursts; sustained all-core performance will sit closer to the 2.4 GHz base under the 250 W thermal envelope.

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