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Intel Xeon E5520 quad-core processor in LGA-1366 socket

HPE

HPE E5520Product Xeon 2.26 GHz switch module

SKU CH-NQ8P-70A92 MPN E5520Product

A quad-core Xeon processor upgrade running at 2.26 GHz with 8 MB L3 cache and a 5.86 GT/s interconnect for Socket B LGA-1366 systems

  • Plug typeProcessor Upgrade
  • Quad-core design handles parallel workloads
  • 26 GHz base clock delivers steady compute performance
  • Turbo frequency reaches 2.53 GHz for burst demand
  • QuickPath interconnect runs at 5.86 GT/s for fast data exchange
  • 8 MB L3 cache reduces memory latency

HPE Xeon E5520 2.26 GHz Processor

This HPE Xeon E5520 is a quad-core server processor upgrade running at 2.26 GHz with a 2.53 GHz overclocking speed. It uses a 45 nm manufacturing process and fits Socket B LGA-1366. The unit includes 1 MB L2 cache and 8 MB L3 cache with 64-bit processing support. QuickPath Interconnect operates at 5.86 GT/s.

Suitable for compatible HPE server maintenance

This processor suits administrators upgrading or repairing existing HPE servers that accept the Xeon 5500 series in an LGA-1366 socket. It is not for builders assembling new platforms or buyers needing newer instruction sets, higher core counts, or different socket types. The part serves as a direct replacement for the 490073-001 part number in supported systems.

Four cores with 8 MB shared L3 cache

The four cores and 8 MB L3 cache handle typical legacy server workloads such as virtualisation hosts, database nodes, or application servers within the thermal envelope of the original platform. Headroom is limited by the 2.26 GHz base frequency and 5.86 GT/s interconnect when compared to modern multi-socket designs. Workloads demanding higher memory bandwidth or newer instruction extensions will exceed practical limits.

How it compares

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

Price $122.99
Pricier than about 67% of the 1,517 comparable items (median $68.99).

Specifications

Product
Brand nameHPE
Power
Plug typeProcessor Upgrade

Questions about this item

Does my server need an LGA-1366 socket to accept this Xeon E5520?

Yes, the processor upgrade is built for Socket B LGA-1366, so the host system must provide that exact socket.

Will the 5.86 GT/s QuickPath Interconnect work with older Xeon 5500 series processors already installed?

The 5.86 GT/s QuickPath link matches the 5500 series specification, allowing coherent operation alongside same-generation CPUs.

How can I verify the 2.26 GHz base clock and 2.53 GHz turbo are active after installation?

Check BIOS or OS CPU-frequency readouts; they should report 2.26 GHz base and show 2.53 GHz under load when thermal headroom exists.

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