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Square ceramic processor with gold contacts and green substrate visible

Intel

Intel Pentium 4 521 2.8 GHz switch module

SKU CH-1AG2-Z2SAH

A 2.8 GHz processor with 1 MB L2 cache and 800 MHz FSB for LGA775 sockets

  • 8 GHz clock speed drives responsive single-thread performance
  • Hyper-Threading enables two logical threads for better multitasking
  • 800 MHz front-side bus moves data quickly between CPU and chipset
  • LGA 775 socket fits compatible motherboards for straightforward installation

Intel Pentium 4 521 Switch Module

The Intel Pentium 4 521 switch module delivers a 2.8 GHz clock speed with 1 MB L2 cache on a 90 nm process. It fits an LGA775 socket and runs on an 800 MHz FSB with Hyper-Threading technology included.

Networking teams maintaining legacy LGA775

This module suits engineers who need a direct replacement processor for existing switch hardware. Buyers who require multi-core architecture or modern instruction sets should look at alternative platforms.

How it compares

Measured against everything we stock in Switch Modules, Transceivers & Add-Ons, at today’s prices. Recalculated every night.

Price $23.99
Cheaper than about 83% of the 1,517 comparable items (median $68.99).

Specifications

Product
Brand nameINTEL

Questions about this item

What socket does the Pentium 4 521 require on the motherboard?

The processor fits an LGA775 socket, so the board must provide that exact socket type.

Which step is often missed when seating this CPU in the LGA775 socket?

Align the notches, lower the chip gently, then close and latch the load plate before applying thermal paste and the cooler.

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