![Core 2 Quad Q9400 vs. Q8400: An Extra $30 buys you 6% - The Core 2 Quad Q8400: Intel's $183 Phenom II 940 Competitor Core 2 Quad Q9400 vs. Q8400: An Extra $30 buys you 6% - The Core 2 Quad Q8400: Intel's $183 Phenom II 940 Competitor](https://images.anandtech.com/reviews/cpu/intel/Core2QuadQ8400/q9400vq8400.jpg)
Core 2 Quad Q9400 vs. Q8400: An Extra $30 buys you 6% - The Core 2 Quad Q8400: Intel's $183 Phenom II 940 Competitor
![Amazon.com: Intel Core 2 Quad Q9400 Processor 2.66 GHz 1333 MHz 6 MB LGA775 EM64T CPU (BX80580Q9400) : Electronics Amazon.com: Intel Core 2 Quad Q9400 Processor 2.66 GHz 1333 MHz 6 MB LGA775 EM64T CPU (BX80580Q9400) : Electronics](https://m.media-amazon.com/images/I/61R1Q0moS8L.jpg)
Amazon.com: Intel Core 2 Quad Q9400 Processor 2.66 GHz 1333 MHz 6 MB LGA775 EM64T CPU (BX80580Q9400) : Electronics
![I finally did it. Bought my first piece of hardware from a friend at a price of $100. Comes with a 2×2 4GBs of RAM and a Core 2 Quad Q9400. Everyone I finally did it. Bought my first piece of hardware from a friend at a price of $100. Comes with a 2×2 4GBs of RAM and a Core 2 Quad Q9400. Everyone](https://i.redd.it/r64sxjishc021.jpg)
I finally did it. Bought my first piece of hardware from a friend at a price of $100. Comes with a 2×2 4GBs of RAM and a Core 2 Quad Q9400. Everyone
![Intel Core 2 Quad Q9400 2.66 GHz LGA 775 Socket 4 Cores 4 Threads Desktop Processor - Intel : Flipkart.com Intel Core 2 Quad Q9400 2.66 GHz LGA 775 Socket 4 Cores 4 Threads Desktop Processor - Intel : Flipkart.com](https://rukminim1.flixcart.com/image/850/1000/jseyoi80/processor/g/s/w/intel-quadcore-q9400-desktop-original-imafdzmf8daemeys.jpeg?q=90)
Intel Core 2 Quad Q9400 2.66 GHz LGA 775 Socket 4 Cores 4 Threads Desktop Processor - Intel : Flipkart.com
![Intel BX80580Q9400 - 2.66Ghz 1333Mhz 6MB LGA775 Intel Core 2 Quad Q9400 Quad Core CPU Processor - CPU Medics Intel BX80580Q9400 - 2.66Ghz 1333Mhz 6MB LGA775 Intel Core 2 Quad Q9400 Quad Core CPU Processor - CPU Medics](https://cdn11.bigcommerce.com/s-qfzamxn9kz/images/stencil/1280x1280/products/165577/244518/intel-bx80580q9400-2-66ghz-1333mhz-6mb-lga775-intel-core-2-quad-q9400-quad-core-cpu-processor-5__10091.1534979982.jpg?c=2)
Intel BX80580Q9400 - 2.66Ghz 1333Mhz 6MB LGA775 Intel Core 2 Quad Q9400 Quad Core CPU Processor - CPU Medics
![Used - Like New: Intel Core2 Quad Q9400 - Core 2 Quad Quad-Core 2.66 GHz LGA 775 95W Processor - BX80580Q9400 Processors - Desktops - Newegg.com Used - Like New: Intel Core2 Quad Q9400 - Core 2 Quad Quad-Core 2.66 GHz LGA 775 95W Processor - BX80580Q9400 Processors - Desktops - Newegg.com](https://c1.neweggimages.com/ProductImage/19-115-131-02.jpg)