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Intel Xeon W5-3535X server CPU in LGA 4677 socket packaging

Intel

Intel Xeon W5-3535X 20-core 2.9 GHz server processor BX807133535X

SKU CH-9RY6-YBA26 MPN BX807133535X

20-core server processor with 2.9 GHz base frequency, 4.8 GHz max turbo, 52.5 MB L3 cache, DDR5-4800 support up to 4 TB across eight channels, 112 PCIe 5.0 lanes and 300 W TDP

  • NameXeon W5-3535X
  • CPU Socket TypeLGA 4677
  • Core NameSapphire Rapids
  • # of Cores20-Core
  • # of Threads40
  • Operating Frequency2.9 GHz
  • 20 cores and 40 threads handle parallel workloads efficiently
  • 9 GHz base clock with 4.8 GHz max turbo boost for responsive performance
  • 5 MB L3 cache reduces latency on large datasets
  • 8-channel DDR5 4800 support enables up to 4 TB memory capacity
  • 112 PCIe 5.0 lanes provide high-speed I/O bandwidth

Workstation processor with 20 cores

The Intel Xeon W5-3535X is a 20-core, 40-thread server CPU built for single-socket workstations that run heavy multi-threaded workloads such as rendering, simulation and virtualization. It operates at a 2.9 GHz base frequency and can reach 4.8 GHz with Intel Turbo Boost Max Technology 3.0.

LGA 4677 platform with eight DDR5 channels

The processor mounts in an LGA 4677 socket and provides an integrated memory controller rated for DDR5 4800 across eight channels, supporting up to 4 TB of system memory. It also exposes 112 PCI Express 5.0 lanes for high-bandwidth add-in cards and storage, while scalability is limited to a single-socket configuration.

300 W base power with 360 W maximum turbo

Thermal design power is rated at 300 W and can rise to 360 W under maximum turbo conditions, so a robust cooling solution is required; no cooler is included in the box. The 10 nm manufacturing process and 52.5 MB L3 cache help manage heat density during sustained all-core operation.

Highlights

  • 20 cores and 40 threads handle parallel workloads efficiently
  • 9 GHz base clock with 4.8 GHz max turbo boost for responsive performance
  • 5 MB L3 cache reduces latency on large datasets
  • 8-channel DDR5 4800 support enables up to 4 TB memory capacity
  • 112 PCIe 5.0 lanes provide high-speed I/O bandwidth

Specifications

BrandIntel
SeriesXeon
NameXeon W5-3535X
ModelBX807133535X
CPU Socket TypeLGA 4677
Core NameSapphire Rapids
# of Cores20-Core
# of Threads40
Operating Frequency2.9 GHz
Max Turbo FrequencyIntel Turbo Boost Max Technology 3.0 Frequency: 4.8 GHz
Intel Turbo Boost Technology Maximum Single Core Turbo Frequency: 4.6 GHz
L3 Cache52.5MB
64-Bit SupportYes
Hyper-Threading SupportYes
Manufacturing Tech10 nm
Integrated Memory Controller SpeedDDR5 4800
Maximum Memory Capacity4TB
Memory Channel8 Channel
Virtualization Technology SupportYes
Scalability1S Only
PCI Express Revision5.0
Max # of PCI Express Lanes112
Thermal Design Power300W
Max Turbo Power360W
Cooling DeviceCooling device not included - Processor Only
Shipping weight0.45 kg
Package size140 × 114 × 51 mm

Questions about this item

What is the 300 W thermal design power limit under sustained full-core workloads?

The processor has a 300 W base thermal design power that becomes the sustained ceiling once all 20 cores run continuously at load.

How much heat and fan noise should I expect from the 360 W max turbo power during all-day rendering?

At the 360 W max turbo power the chip can draw significantly more heat than the 300 W base, so a high-capacity cooler rated for at least 360 W is required to keep temperatures and fan speed under control.

Which LGA 4677 motherboard and DDR5-4800 memory must I already have for this Xeon W5-3535X to operate?

You need a workstation board with an LGA 4677 socket, an 8-channel DDR5-4800 memory controller and a power-delivery system capable of 360 W peak for the 20-core 2.9 GHz processor.

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