Intel

Intel BX80569Q9550 Core 2 Quad Q9550 2.83GHz Processor

4.5 (344 reviews)

Quad-core desktop processor with 12MB cache and 2.83GHz clock speed for demanding multitasking workloads.

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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 Core 2 Quad Q9550 is a quad-core desktop processor built on Intel's 45nm manufacturing process. Running at 2.83GHz with a 1333MHz front side bus and 12MB of L2 cache, the Q9550 was positioned as a high-performance option within the LGA775 platform. Its four cores made it well-suited for multitasking, content creation, and workloads that could take advantage of multi-threaded processing, offering a meaningful step up from dual-core alternatives of the same generation.

As a product of the Core 2 era, the Q9550 fits LGA775-socket motherboards and pairs with DDR2 memory on most compatible boards. While it lacks the architectural advancements found in modern Intel processors — such as integrated graphics, hyper-threading, and support for current memory standards — it remains a capable chip for maintaining or upgrading existing LGA775 systems. For users looking to extend the life of an older desktop build, the Q9550 delivers dependable quad-core performance within the constraints of its platform.

Key Features

Processor Type - Intel Core 2 Quad

Product Type - CPU

Clock Speed - 2.8GHz

Product Type - CPU

Processor Type - Intel Core 2 Quad

Clock Speed - 2.8GHz

Specifications

Processor
Intel Core 2 Quad Q9550
Clock Speed
2.83GHz
Cores
4
Front Side Bus
1333MHz
Cache
12MB L2
Socket Type
LGA775
Manufacturing Process
45nm
Model Number
BX80569Q9550

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Pros & Cons

👍 Pros

  • Four cores provide genuine multitasking capability for its generation
  • Large 12MB L2 cache improves performance in data-heavy tasks
  • 2.83GHz clock speed is competitive within the LGA775 platform
  • Wide motherboard compatibility across the LGA775 socket ecosystem
  • Relatively low power draw compared to similarly performing processors of its era

👎 Cons

  • Legacy LGA775 platform limits future upgrade options
  • No integrated graphics, requiring a dedicated GPU
  • Lacks support for modern instruction sets found in current processors
  • 1333MHz FSB is a bottleneck compared to newer architectures
  • Does not support DDR3 or newer memory standards natively on most compatible boards

Frequently Asked Questions

The Q9550 uses the LGA775 socket, so it is compatible with motherboards that support that socket type.
It is a quad-core processor with four physical cores, allowing it to handle multiple threads simultaneously.
The Q9550 features a 12MB L2 cache, which helps improve performance in data-intensive and multitasking workloads.
It operates on a 1333MHz front side bus (FSB).
The Q9550 is a legacy processor from the Core 2 era. It can handle basic computing tasks and light multitasking but is not suited for modern demanding applications or current operating system requirements.