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Intel Xeon w5-2455X processor, silver heat spreader, LGA 4677 socket, boxed

Intel

Intel Xeon w5-2455X desktop processor 12-core 3.20 GHz 30 MB L3 LGA 4677 BX807132455X

SKU CH-0F95-QGNQY MPN BX807132455X

12-core Xeon desktop processor with 3.2 GHz base frequency, 4.6 GHz max turbo, 30 MB L3 cache and support for 2 TB DDR5-4800 ECC memory

  • Processors TypeDesktop
  • NameXeon w5-2455X
  • CPU Socket TypeLGA 4677
  • Core NameSapphire Rapids
  • # of Cores12-Core (12P+0E)
  • # of Threads24-Threads
  • 12 cores and 24 threads accelerate multi-threaded workloads
  • 30 MB L3 cache reduces latency for complex tasks
  • 60 GHz max turbo frequency boosts single-thread speed
  • DDR5 4800 four-channel memory supports up to 2 TB ECC RAM
  • 64 PCIe 5.0 lanes enable high-bandwidth expansion

Workstation CPU for LGA 4677 platforms

The Intel Xeon w5-2455X is a 12-core desktop processor built for workstations that need reliable multi-threaded throughput. It runs at a 3.20 GHz base frequency and reaches 4.60 GHz with Intel Turbo Boost Max Technology 3.0. The chip provides 24 threads, 30 MB L3 cache and a 10 nm manufacturing process. It supports DDR5 4800 memory across four channels up to 2 TB with ECC, plus 64 lanes of PCI Express 5.0 for high-bandwidth add-in cards.

Upgrade path from earlier Xeon W or Core models

Moving to this Sapphire Rapids part makes sense when your current platform cannot deliver enough PCIe 5.0 lanes, DDR5 capacity or AVX-512 acceleration for rendering, simulation or virtualization workloads. The 200 W base and 240 W max turbo power envelope requires a motherboard and cooler rated for that thermal load. The jump is worth it if you need the 12P+0E core layout and integrated accelerators such as Intel Data Streaming Accelerator for storage-heavy pipelines.

Verify socket, chipset, memory and cooling before

Confirm your motherboard uses the LGA 4677 socket and a compatible workstation chipset with DDR5 slots wired for four channels. Ensure the BIOS revision lists support for this specific model. Plan for a cooling solution rated at or above 240 W TDP since no cooler is included. Check that your power supply can sustain the 240 W max turbo figure and that the chassis provides adequate airflow for sustained all-core operation.

I korthet

  • 12 cores and 24 threads accelerate multi-threaded workloads
  • 30 MB L3 cache reduces latency for complex tasks
  • 60 GHz max turbo frequency boosts single-thread speed
  • DDR5 4800 four-channel memory supports up to 2 TB ECC RAM
  • 64 PCIe 5.0 lanes enable high-bandwidth expansion

Specifikationer

BrandIntel
Processors TypeDesktop
SeriesXeon
NameXeon w5-2455X
ModelBX807132455X
CPU Socket TypeLGA 4677
Core NameSapphire Rapids
# of Cores12-Core (12P+0E)
# of Threads24-Threads
Operating Frequency3.2 GHz
Max Turbo FrequencyMax Turbo Frequency: 4.60 GHz
Intel Turbo Boost Max Technology 3.0 Frequency: 4.60 GHz
Intel Turbo Boost Technology 2.0 Frequency: 4.40 GHz
L3 Cache30MB
Manufacturing Tech10nm
Instruction Set64-Bit
Integrated Memory Controller Speed4800 MHz
Memory TypesDDR5 4800
Memory Channel4
Max Memory Size2TB
ECC MemorySupported
Virtualization Technology SupportYes
PCI Express Revision5.0
Max Number of PCI Express Lanes64
Multimedia InstructionIntel SSE4.1, Intel AMX, Intel SSE4.2, Intel AVX2, Intel AVX-512
Thermal Design Power200W
Max Turbo Power240W
Cooling DeviceCooling device not included - Processor Only
Advanced TechnologiesIntel QuickAssist Technology (QAT): 0 default devices
Intel Dynamic Load Balancer (DLB): 0 default devices
Intel Data Streaming Accelerator (DSA): 1 default devices
Intel In-memory Analytics Accelerator (IAA): 0 default devices
Intel Advanced Matrix Extensions (AMX): Yes
Intel Deep Learning Boost (Intel DL Boost) on CPU: Yes
Intel Resource Director Technology (Intel RDT): No
Intel Speed Shift Technology: Yes
Intel Turbo Boost Max Technology 3.0: Yes
Intel Turbo Boost Technology: 2.0
Intel Hyper-Threading Technology: Yes
Intel Transactional Synchronization Extensions: Yes
Intel 64: Ye
Security & ReliabilityIntel vPro Eligibility: Intel vPro Enterprise
Intel Threat Detection Technology (TDT): No
Intel Active Management Technology (AMT) : Yes
Intel Remote Platform Erase (RPE): No
Intel One-Click Recovery: No
Intel QuickAssist Software Acceleration: No
Intel Platform Firmware Resilience Support: Yes
Intel Control-Flow Enforcement Technology : Yes
Intel Total Memory Encryption - Multi Key: No
Intel Total Memory Encryption : Yes
Intel AES New Instructions : Yes
Intel Software Guard Extensions (Intel SGX) : No
Intel OS Guard: Yes
Intel Trusted Execution Technology : Yes
Execute Disable Bit :
Fraktvikt0.18 kg
Paketstorlek140 × 114 × 46 mm

Frågor om den här produkten

What motherboard socket is required for the LGA 4677 package of the Xeon w5-2455X?

The processor fits only motherboards with an LGA 4677 socket. Verify the board lists this exact socket before purchase.

How is the Xeon w5-2455X installed and what step is often missed?

Align the notches, lower the CPU into the LGA 4677 socket, close the retention lever, then apply thermal paste and mount a cooler rated for 240 W max turbo power.

What ongoing maintenance does the Xeon w5-2455X need after installation?

Clean the cooler heatsink and fan periodically to maintain airflow for the 200 W base / 240 W turbo thermal envelope. Replace thermal paste if temperatures rise over time.

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