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Rectangular silver processor with gold contacts on green substrate, LGA 4677 socket form factor

Intel

Intel PK8071305120201 Xeon Silver 4416+ server processor 20-core 2.0 GHz 165W

SKU CH-ABZ7-XSJGD MPN PK8071305120201

20-core server processor running at 2.0 GHz with 37.5 MB L3 cache, 40 threads, DDR5-4000 support up to 4 TB across eight channels, 80 PCIe 5.0 lanes and 165 W TDP in an LGA 4677 package

  • NameXeon Silver 4416+
  • CPU Socket TypeLGA 4677
  • Core NameSapphire Rapids
  • # of Cores20-Core
  • # of Threads40
  • Operating Frequency2.0 GHz
  • 20 cores and 40 threads handle parallel workloads
  • 0 GHz base clock with 3.9 GHz max turbo frequency
  • 5 MB L3 cache reduces memory latency
  • 8-channel DDR5 4000 controller supports up to 4 TB
  • PCIe 5.0 with 80 lanes enables high-bandwidth I/O

Server processor for two-socket systems

The Intel Xeon Silver 4416+ is a 20-core, 40-thread CPU built on 10 nm Sapphire Rapids architecture. It runs at a 2.0 GHz base frequency and reaches a 3.9 GHz max turbo frequency with 37.5 MB L3 cache. The part supports 64-bit processing, virtualization technology and Intel AMX, AVX-512 and AVX2 instruction sets for compute-intensive workloads.

Platform and power checks before ordering

The processor requires an LGA 4677 socket and a platform that delivers 165 W thermal design power. Cooling is not included, so a compatible server heatsink must be sourced separately. Memory must be DDR5 4000 operating across eight channels to reach the 4 TB maximum capacity. The system must also provide PCIe 5.0 lanes — up to 80 from this CPU — for high-bandwidth add-in cards or storage.

Build and connectivity implications

As a processor-only unit, the package contains no cooler, mounting hardware or thermal paste. The LGA 4677 land-grid array demands careful alignment during installation to avoid bent contacts. With 2S scalability, two of these CPUs can be paired in a dual-socket board, doubling core count and memory channels while sharing the 80 PCIe 5.0 lanes between sockets for balanced I/O distribution.

Highlights

  • 20 cores and 40 threads handle parallel workloads
  • 0 GHz base clock with 3.9 GHz max turbo frequency
  • 5 MB L3 cache reduces memory latency
  • 8-channel DDR5 4000 controller supports up to 4 TB
  • PCIe 5.0 with 80 lanes enables high-bandwidth I/O

Specifications

BrandIntel
SeriesIntel Xeon Silver
NameXeon Silver 4416+
ModelPK8071305120201
CPU Socket TypeLGA 4677
Core NameSapphire Rapids
# of Cores20-Core
# of Threads40
Operating Frequency2.0 GHz
Max Turbo Frequency3.9 GHz
L3 Cache37.5MB
64-Bit SupportYes
Manufacturing Tech10 nm
Integrated Memory Controller SpeedDDR5 4000
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 Power165W
Cooling DeviceCooling device not included - Processor Only
Shipping weight0.23 kg
Package size127 × 102 × 13 mm

Questions about this item

Does the box include a cooler or must I buy one separately?

The processor is sold without a cooling device; a compatible LGA 4677 cooler rated for 165 W must be purchased separately.

Should I choose a different core count or thermal design power for a two-socket server?

This 20-core 165 W model supports 2S scalability; select a higher-core SKU only if the workload needs more than 40 threads per socket.

What sustained performance can I expect from the 2.0 GHz base clock under full load?

All 20 cores maintain 2.0 GHz within the 165 W envelope; bursts up to 3.9 GHz depend on thermal headroom and core count active.

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