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Intel Core 2 Quad Q9550 Processor 2.83GHz 1333MHz 12MB LGA 775 CPU, OEM

Intel Core 2 Quad Q9550 Processor 2.83GHz 1333MHz 12MB LGA 775 CPU, OEM

Bottom line: The Intel Core 2 Quad Q9550 Processor 2.83GHz 1333MHz 12MB LGA 775 CPU ($48.02 on Amazon as of 2026-10-06): Quad-core 2.83GHz on legacy LGA775 boards; main trade-off: OEM tray part, ships without box or stock cooler.

$48.02

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Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Quad-core 2.83GHz on legacy LGA775 boards
  • ✓ Large 12MB L2 cache eases era-appropriate multitasking
  • ✓ 1333MHz FSB for faster front-side bandwidth
  • ✓ Efficient 45nm lithography at 95W TDP
  • ✓ VT-x and VT-d for virtualization builds

Cons

  • ✗ OEM tray part, ships without box or stock cooler
  • ✗ 4 threads only, no Hyper-Threading
  • ✗ 95W TDP wants a competent LGA775 cooler
  • ✗ No brand or warranty terms listed in the listing

Manufacturer description

SpecificationsMfr Part Number: EU80569PJ073N, AT80569PJ073NProcess Type: Intel Core 2 Quad Processor Q9550Core Count: 4Thread Count: 4Clock Speed: 2.83 GHzL2 Cache: 12 MBFSB Speed: 1333 MHzLithography: 45 nmSocket: LGA775Max Thermal Design Power: 95 WAdvanced Technologies: Intel Virtualization Technology (VT-x)Intel Virtualization Technology for Directed I/O (VT-d)Intel Trusted Execution TechnologyIntel 64 ArchitectureIdle StatesEnhanced Intel SpeedStep TechnologyThermal Monitoring TechnologiesExecute Disable Bit

SpecPicks Verdict

SpecPicks scored Intel Core 2 Quad Q9550 Processor 2.83GHz 1333MHz 12MB LGA 775 CPU using a rating × review-volume × price-fit model applied to published specs and reviews across the retro cpus category. Compare with similarly-priced alternatives in the retro cpus category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Full Specifications

BrandIntel
Wattage95 watts
PlatformWindows
CPU ModelCore 2 Quad
CPU Speed2.83 GHz
CPU SocketLGA 775
Model NumberEU80569PJ073N, AT80569PJ073N
Mfr Part NumberEU80569PJ073N, AT80569PJ073N
Processor BrandIntel
Processor Count4
Processor Speed2.83 GHz
Secondary Cache12 MB
CPU ManufacturerIntel
Processor SeriesCore 2 Quad
Processor SocketLGA 775
Processor Core Count4
Cache Memory Installed Size12 MB
Processor Number of Concurrent Threads4

Ready to buy?

Intel Core 2 Quad Q9550 Processor 2.83GHz 1333MHz 12MB LGA 775 CPU, OEM is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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