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Rectangular green server CPU with gold contacts and silver heat spreader

Intel

Intel PK8071305121400 Xeon Gold 6444Y 16-core 3.6 GHz server processor

SKU CH-C7BB-6BE3A MPN PK8071305121400

A 16-core server CPU running at 3.6 GHz with 45 MB L3 cache, DDR5-4800 support and 80 PCIe 5.0 lanes

  • NameXeon Gold 6444Y
  • CPU Socket TypeLGA 4677
  • Core NameSapphire Rapids
  • # of Cores16-Core
  • # of Threads32
  • Operating Frequency3.6 GHz
  • 16 cores and 32 threads handle heavy parallel workloads
  • 6 GHz base clock with 4.0 GHz max turbo frequency
  • 45 MB L3 cache reduces latency for large datasets
  • 8-channel DDR5 4800 memory controller supports up to 4 TB
  • PCIe 5.0 with 80 lanes enables high-speed I/O expansion

Intel Xeon Gold 6444Y 16-core server processor

The Intel Xeon Gold 6444Y is a 16-core, 32-thread server processor built for dual-socket platforms. It targets data-centre workloads that demand high core counts and large memory capacity. The LGA 4677 socket and 270 W thermal design power require robust server-grade cooling and power delivery.

Sustained load behaviour with 45 MB L3 cache

Under continuous load the processor maintains a 3.6 GHz base frequency across all 16 cores. The 45 MB L3 cache helps keep frequently used data close to the execution units during extended compute tasks. Max turbo frequency reaches 4.0 GHz when thermal headroom allows.

Build quality and platform connectivity

The 10 nm Sapphire Rapids die integrates an eight-channel DDR5 4800 memory controller supporting up to 4 TB per socket. Eighty PCI Express 5.0 lanes provide high-bandwidth I/O for storage and networking cards. A separate cooling solution must be sourced for the LGA 4677 package.

Highlights

  • 16 cores and 32 threads handle heavy parallel workloads
  • 6 GHz base clock with 4.0 GHz max turbo frequency
  • 45 MB L3 cache reduces latency for large datasets
  • 8-channel DDR5 4800 memory controller supports up to 4 TB
  • PCIe 5.0 with 80 lanes enables high-speed I/O expansion

Specifications

BrandIntel
SeriesIntel Xeon Gold
NameXeon Gold 6444Y
ModelPK8071305121400
CPU Socket TypeLGA 4677
Core NameSapphire Rapids
# of Cores16-Core
# of Threads32
Operating Frequency3.6 GHz
Max Turbo Frequency4.0 GHz
L3 Cache45MB
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 Power270W
Cooling DeviceCooling device not included - Processor Only
Shipping weight0.45 kg
Package size25 × 25 × 25 mm

Questions about this item

How much heat does the 270 W TDP generate during continuous 24/7 operation?

The processor has a 270 W thermal design power, so sustained full-load work will require a server-grade cooler or liquid loop rated for at least that heat output.

Which memory modules and motherboard socket are required for the Xeon Gold 6444Y?

You need a motherboard with an LGA 4677 socket and DDR5 4800 RDIMMs or LRDIMMs; the integrated controller supports eight channels up to 4 TB total capacity.

Will the 80 PCIe 5.0 lanes work with older PCIe 3.0 or 4.0 add-in cards?

Yes, the 80 lanes are backward compatible, so existing PCIe 3.0 or 4.0 cards will operate at their native speeds while newer PCIe 5.0 devices can use the full bandwidth.

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