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Intel Xeon Bronze 3408U processor in LGA 4677 socket, silver metal heat spreader with green substrate and gold contacts

Intel

Intel PK8071305118600 Xeon Bronze 3408U server processor 8-core 1.8 GHz 22.5 MB L3 125 W LGA 4677

SKU CH-AG22-K2CSJ MPN PK8071305118600

Eight-core server processor running at 1.8 GHz with 22.5 MB L3 cache, DDR5-4000 memory support and 80 PCIe 4.0 lanes in an LGA 4677 socket

  • Product nameXeon Bronze 3408U
  • CPU cores8-Core
  • CPU socketLGA 4677
  • Maximum turbo clock1.9 GHz
  • TDP rating125 W
  • Processor codenameSapphire Rapids
  • 8 cores at 1.8 GHz handle multi-threaded server workloads
  • 9 GHz max turbo frequency lifts single-thread performance when needed
  • 5 MB L3 cache reduces latency for data-intensive applications
  • DDR5 4000 memory controller supports up to 4 TB across 8 channels
  • 80 PCIe 4.0 lanes provide high-bandwidth I/O for storage and networking

Eight-core Xeon Bronze for single-socket servers

The Intel Xeon Bronze 3408U is an eight-core, eight-thread server processor built on 10 nm Sapphire Rapids architecture. It operates at a 1.8 GHz base frequency with a 1.9 GHz maximum turbo frequency and includes 22.5 MB of L3 cache within a 125 W thermal design power envelope.

Suited for single-socket deployments.

This processor targets single-socket (1S) servers that need eight cores and eight channels of DDR5 memory. Buyers who require multi-socket scalability or higher core counts should look at other options, as this part is limited to one-socket configurations.

80 PCI Express 4.0 lanes for I/O expansion

The CPU provides up to 80 lanes of PCI Express 4.0 connectivity, supporting extensive I/O expansion for storage controllers, network adapters, or accelerators in a single-socket platform.

How it compares

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

Price $362.99
Cheaper than about 79% 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 1.9 GHz
Lower than about 99% of the 327 comparable items (median 3.9 GHz).

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Specifications

Product
Brand nameIntel
Product lineIntel Xeon Bronze
Model namePK8071305118600
Product nameXeon Bronze 3408U
Performance
Working frequency1.8 GHz
Processor
CPU cores8-Core
CPU socketLGA 4677
Maximum turbo clock1.9 GHz
TDP rating125 W
Processor codenameSapphire Rapids
CPU threads8
Level 3 cache22.5 MB
64-bit capableYes
Process node10 nm
Virtualization supportYes
CPU socket scalability1S Only
Maximum PCIe lanes80
Memory
Supported memory speedDDR5 4000
Max supported memory4 TB
Channel configuration8 Channel
Ports & slots
PCIe generation4.0
Size & build
Shipping weight0.23 kg
Package size127 × 102 × 13 mm
In the box
Included coolerNot included - Processor Only
More details
Multimedia instructionIntel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512

Questions about this item

What motherboard socket and memory type are required for the Xeon Bronze 3408U?

The processor fits an LGA 4677 socket and requires DDR5 memory running at 4000 MT/s across eight channels.

Can I keep my existing PCIe 3.0 expansion cards when installing this CPU?

Yes, the 80 PCIe 4.0 lanes are backward compatible, so PCIe 3.0 cards will operate at their native 3.0 speeds.

How do I verify the 1.8 GHz base frequency and 22.5 MB L3 cache are active after installation?

Check the processor details in the BIOS or use a system-information utility such as lscpu to confirm the 1.8 GHz base clock and 22.5 MB L3 cache.

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