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Square silver processor with gold contact pads and green substrate visible

Intel

Intel Xeon W5-3435X 16-core 3.1 GHz server processor PK8071305082000

SKU CH-ZBBN-G4J8Y MPN PK8071305082000

16-core Xeon server CPU with 3.1 GHz base, 4.7 GHz turbo, 45 MB L3 cache and DDR5-4800 support across eight channels

  • NameXeon W5-3435X
  • CPU Socket TypeLGA 4677
  • Core NameSapphire Rapids
  • # of Cores16-Core
  • # of Threads32
  • Operating Frequency3.1 GHz
  • 16 cores and 32 threads handle heavy parallel workloads
  • 1 GHz base with 4.70 GHz max turbo accelerates single-thread bursts
  • 45 MB L3 cache reduces latency for large data sets
  • 8-channel DDR5 4800 memory controller supports up to 4 TB capacity
  • 112 PCIe 5.0 lanes deliver high-throughput I/O for storage and accelerators

Intel Xeon W5-3435X 16-Core Server CPU

This Intel Xeon W5-3435X is a 16-core server processor with 32 threads and a 3.1 GHz base frequency. It fits the LGA 4677 socket and supports DDR5 4800 memory across eight channels. The 45 MB L3 cache and 112 PCIe 5.0 lanes suit multi-GPU or high-throughput storage workloads. The processor base power is 270 W with a maximum turbo power of 324 W.

Suited for multi-threaded workstations.

The 16 cores and 32 threads accelerate rendering, simulation and virtualization workloads that scale across many threads. Eight-channel DDR5 4800 support feeds memory-hungry applications. Builders who need higher single-thread frequency or lower power draw should consider other options. The 270 W base power demands robust cooling and a capable power supply.

LGA 4677 socket and 270 W base power define

This processor requires a motherboard with the LGA 4677 socket and a power delivery system rated for at least 270 W base power. The 324 W maximum turbo power requires matching VRM cooling. Memory must be DDR5 4800; other DDR generations will not function. Verify chassis clearance for the 72°C thermal specification before purchase.

Highlights

  • 16 cores and 32 threads handle heavy parallel workloads
  • 1 GHz base with 4.70 GHz max turbo accelerates single-thread bursts
  • 45 MB L3 cache reduces latency for large data sets
  • 8-channel DDR5 4800 memory controller supports up to 4 TB capacity
  • 112 PCIe 5.0 lanes deliver high-throughput I/O for storage and accelerators

Specifications

BrandIntel
SeriesIntel Xeon W
NameXeon W5-3435X
ModelPK8071305082000
CPU Socket TypeLGA 4677
Core NameSapphire Rapids
# of Cores16-Core
# of Threads32
Operating Frequency3.1 GHz
Max Turbo FrequencyMax Turbo Frequency: 4.70 GHz
Intel Turbo Boost Max Technology 3.0 Frequency: 4.70 GHz
Intel Turbo Boost Technology 2.0 Frequency: 4.50 GHz
L3 Cache45MB
64-Bit SupportYes
Hyper-Threading SupportYes
Manufacturing Tech7 nm
Integrated Memory Controller SpeedDDR5 4800
Maximum Memory Capacity4TB
Memory Channel8 Channel
Virtualization Technology SupportYes
PCI Express Revision5.0
Max # of PCI Express Lanes112
Thermal Design PowerProcessor Base Power: 270 W
Maximum Turbo Power: 324 W
Shipping weight0.23 kg
Package size185 × 152 × 84 mm

Questions about this item

How can I verify the Xeon W5-3435X is running at its 3.1 GHz base frequency after installation?

Enter the BIOS or use a monitoring utility such as Intel Processor Diagnostic Tool; it should report 16 cores, 32 threads and a 3.1 GHz base clock on the LGA 4677 socket.

What comes in the box with the PK8071305082000 and what must I purchase separately?

The tray processor is supplied alone; you must buy a compatible LGA 4677 motherboard, DDR5 4800 memory modules and a cooler rated for 270 W base power separately.

Which memory configuration should I choose for the 8-channel controller on this 16-core Xeon?

Populate all eight channels with identical DDR5 4800 DIMMs to reach the 4 TB maximum capacity and full bandwidth.

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