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Refurbished IBM Xeon X5550 processor module in green PCB with gold contacts

IBM Refurbished

IBM 43W6050 Xeon X5550 2.66 GHz Processor Switch Module

SKU CH-E2WK-C7CQP MPN 43W6050

A quad-core Xeon processor module for BladeCenter HS22 servers, running at 2.66 GHz with 8 MB L3 cache

  • Quad-core Xeon handles parallel workloads efficiently
  • 66 GHz clock speed drives responsive compute performance
  • 8 MB L3 cache reduces memory latency for demanding tasks
  • 4 GT/s QPI enables fast blade-to-blade data transfer

IBM BladeCenter HS22 Xeon processor

This refurbished IBM 43W6050 module integrates a Xeon X5550 quad-core processor running at 2.66 GHz with 1 MB L2 and 8 MB L3 cache. It connects through a 6.4 GT/s QPI link on an LGA1366 socket and operates within a 95 W thermal envelope. The unit is designed specifically for the BladeCenter HS22 server blade.

Upgrade path for compatible blades

The module replaces an existing processor in a supported HS22 chassis when additional cores or higher clock speed are required. The performance jump is worthwhile for workloads that benefit from the quad-core architecture and larger L3 cache. Buyers needing multi-socket scaling beyond a single blade or a different socket type cannot use this part.

How it compares

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

Price $114.99
Pricier than about 65% of the 1,517 comparable items (median $68.99).

Specifications

Product
Brand nameIBM
Size & build
Shipping weight0.91 kg
Package size127 × 127 × 51 mm

Questions about this item

Does the 43W6050 processor module fit directly into a BladeCenter HS22 bay without an adapter?

The module is built for the BladeCenter HS22 and uses the LGA1366 socket, so it seats in the HS22 processor slot without an extra adapter.

What is the correct orientation when inserting the 43W6050 into the HS22 socket, and what step is often missed?

Align the notches on the processor with the LGA1366 socket keys, lower it straight down, then secure the retention lever fully; the step often missed is locking the lever completely before closing the blade cover.

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