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Intel

Intel Xeon Silver 4208 8-Core 2.1 GHz LGA 3647 85W BX806954208 Server Processor

SKU CH-YJFG-Y06F5 MPN BX806954208

Eight-core server processor with sixteen threads, 2.1 GHz base and 3.2 GHz turbo, 11 MB L3 cache, DDR4-2400 six-channel support up to 1 TB, 85 W TDP, LGA 3647 socket

  • Product nameXeon Silver 4208
  • CPU cores8-Core
  • CPU socketLGA 3647
  • Maximum turbo clock3.2 GHz
  • TDP rating85 W
  • Processor codenameCascade Lake

Model Silver 4208

  • 8 cores and 16 threads handle parallel workloads
  • 1 GHz base clock with 3.2 GHz turbo boost
  • 11 MB L3 cache reduces memory latency
  • 6-channel DDR4 2400 controller supports up to 1 TB
  • 85 W TDP balances performance and power efficiency

Xeon Silver 4208 server processor

The Intel Xeon Silver 4208 is an 8-core, 16-thread CPU built for entry-level data centre compute, network and storage workloads. It operates at a 2.1 GHz base frequency with a 3.2 GHz maximum turbo frequency. The processor fits the LGA 3647 socket and has an 85W thermal design power. It targets IT teams deploying dual-socket servers for virtualisation or general-purpose applications.

14 nm Cascade Lake build with six-channel DDR4

Manufactured on a 14 nm Cascade Lake process, the chip includes 11MB of L3 cache and an integrated memory controller supporting DDR4 2400 across six channels. Maximum memory capacity reaches 1TB per socket. PCI Express 3.0 lanes handle I/O expansion for storage controllers or network adapters. The LGA 3647 package requires a compatible server motherboard and appropriate cooling solution.

Boxed processor with virtualisation

The BX806954208 boxed unit includes the processor only; a heatsink is not supplied. Intel Virtualization Technology and Intel Hyper-Threading are supported for consolidated workloads. Scalability is rated for two-socket configurations, allowing paired deployment in compatible chassis. Buyers needing single-socket only or higher core counts should evaluate other Xeon tiers.

How it compares

Measured against everything we stock in Server Processors, at today’s prices. Recalculated every night.

Price $646.99
Cheaper than about 69% of the 621 comparable items (median $1,561.99).
CPU cores 8-Core
Lower than about 90% of the 386 comparable items (median 24).
Maximum turbo clock 3.2 GHz
Lower than about 91% of the 327 comparable items (median 3.9 GHz).

New to this? Buying a processor with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameIntel
Product lineIntel Xeon Silver
Model nameBX806954208
Product nameXeon Silver 4208
Performance
Working frequency2.1 GHz
Processor
CPU cores8-Core
CPU socketLGA 3647
Maximum turbo clock3.2 GHz
TDP rating85 W
Processor codenameCascade Lake
CPU threads16
Level 3 cache11 MB
64-bit capableYes
Hyper-ThreadingYes
Process node14 nm
Virtualization supportYes
CPU socket scalability2S
Maximum PCIe lanes48
Memory
Supported memory speedDDR4 2400
Max supported memory1 TB
Channel configuration6 Channel
Ports & slots
PCIe generation3.0
Size & build
Shipping weight0.20 kg
Package size137 × 112 × 46 mm
In the box
Included coolerNot included - Processor Only

Other versions of this model

2 more in the same range

Questions about this item

Does the PCI Express 3.0 interface cap total lane bandwidth for add-in cards?

The processor provides PCI Express 3.0 lanes; total bandwidth depends on the motherboard implementation and the number of lanes allocated to each slot.

What cooler clearance and mounting holes does the LGA 3647 socket require?

LGA 3647 uses a narrow ILM with a specific screw pattern; the cooler must be rated for that socket and the 85 W TDP.

How is the processor seated in the LGA 3647 socket, and what step is often missed?

Align the two notches on the CPU with the socket keys, lower it vertically, then secure the load-plate lever before tightening the ILM screws in the prescribed sequence.

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