Intel Core 2 Quad Q8400 Processor 2.66 GHz 4 MB Cache Socket LGA775
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
Product DescriptionIntel Core 2 Quad Processor Q8400 2.66GHz 1333MHz 4MB LGA775 CPU, RetailFrom the ManufacturerThe Intel Core 2 Quad Q8400 brings four computing cores running at 2.66 GHz in a single processor for the ultimate in efficiency and performance. It features 4 MB of L2 cache and a 1333 MHz front side bus, and it uses the LGA775 socket for wide compatibility with motherboards. The processor features Intel's 45nm architecture and delivers multimedia experiences with greater speed and responsiveness. With the Q8400, demanding users can now accomplish more in less time.Stunning Perform…
SpecPicks Verdict
SpecPicks classifies Intel Core 2 Quad Q8400 Processor 2.66 GHz 4 MB Cache Socket LGA775 as a mid-pack option worth checking against alternatives in the retro cpus category, based on 91 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for retro cpus of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Model Name - Core 2 Quad
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Below-average customer rating — read recent reviews before buying
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Model Name - Core 2 Quad
- Socket Type - Socket 775
- Front Side Bus Speed - 1333 MHz
- Clock Speed - 2.66 GHz
- Thermal - 95W
Full Specifications
| Brand | Intel |
|---|---|
| Wattage | 95.00 |
| Platform | Windows 10 |
| CPU Model | Core 2 Quad |
| CPU Speed | 2.66 GHz |
| CPU Socket | LGA 775 |
| Model Number | BX80580Q8400 |
| Mfr Part Number | BX80580Q8400 |
| Processor Brand | Intel |
| Processor Count | 4 |
| Processor Speed | 2.66 GHz |
| Secondary Cache | 4 MB |
| CPU Manufacturer | Intel |
| Processor Series | Core 2 Quad |
Ready to buy?
Intel Core 2 Quad Q8400 Processor 2.66 GHz 4 MB Cache Socket LGA775 is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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