Intel

Intel SLBYL XEON X5675 Processor Renewed

5.0 (12 reviews)

A six-core Xeon workhorse for LGA 1366 systems, renewed and certified at a fraction of the original cost.

$23.49*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The Intel Xeon X5675 is a six-core, twelve-thread server-class processor based on the Westmere architecture and the 32nm manufacturing process. With a base clock of 3.06 GHz, 12MB of shared L3 cache, and a 6.40 GT/s QPI interconnect, it was positioned as a high-performance option for the LGA 1366 platform when it originally launched. Today, it remains relevant as an affordable upgrade for users running older workstations, servers, and even 2010-2012 Mac Pro towers who want more cores and clock speed without replacing their entire system.

This renewed unit has been tested and certified to perform like new, which makes it a practical choice for breathing new life into legacy hardware at a fraction of the cost of a full platform upgrade. The X5675 supports dual-socket configurations, ECC memory, and Intel VT-x virtualization, so it fits comfortably into both server environments and power-user workstations. The trade-off is that LGA 1366 is a discontinued platform—motherboard availability is limited to the used market, and the 95W TDP is high by modern standards. For users already invested in the platform, however, the X5675 represents one of the strongest processors available for the socket.

Key Features

This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com

Intel Xeon Hex-Core X5675 Processor

Manufacturer: Intel

Processor Number: X5675

Socket Type: LGA 1366

Specifications

Manufacturer
Intel
Processor Family
Xeon
Model
X5675
Processor Number
SLBYL
Core Count
6
Base Clock Speed
3.06 GHz
Cache
12MB L3
QPI Speed
6.40 GT/s
Socket Type
LGA 1366
Condition
Certified Renewed
Warranty
Minimum 90 days

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Pros & Cons

👍 Pros

  • Six cores with hyper-threading deliver 12 threads for demanding multithreaded applications
  • 12MB of L3 cache helps maintain performance under heavy workloads
  • Renewed certification provides a cost-effective upgrade path for existing LGA 1366 systems
  • Supports dual-socket configurations for server and workstation builds

👎 Cons

  • LGA 1366 is a legacy platform with no current motherboard production, limiting upgrade paths
  • Renewed units ship in generic packaging without original retail accessories
  • The 95W TDP and older 32nm manufacturing process are less power-efficient than modern processors
  • A minimum 90-day warranty is significantly shorter than the coverage on new components

Frequently Asked Questions

The processor has been tested, inspected, and certified to function like new. It ships with a minimum 90-day warranty and may arrive in generic packaging rather than an original Intel retail box.
It uses the LGA 1366 socket, so you need a motherboard with that socket type, such as boards based on the Intel X58 or 5520/5500 chipsets.
Yes, the Xeon X5675 is a six-core processor with hyper-threading, providing 12 threads for multithreaded workloads.
The base clock is 3.06 GHz, and the processor supports Intel Turbo Boost, though the exact maximum turbo frequency depends on workload and thermal conditions.
Yes, the Xeon X5675 supports multi-socket configurations, making it suitable for dual-processor server and workstation boards with LGA 1366 sockets.