![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
![Amazon.com: Intel Core 2 Quad Processor Q9400 2.66GHz 1333MHz 6MB LGA775 CPU, OEM (Renewed) : Electronics Amazon.com: Intel Core 2 Quad Processor Q9400 2.66GHz 1333MHz 6MB LGA775 CPU, OEM (Renewed) : Electronics](https://m.media-amazon.com/images/I/61U2bRsDABL.jpg)
Amazon.com: Intel Core 2 Quad Processor Q9400 2.66GHz 1333MHz 6MB LGA775 CPU, OEM (Renewed) : Electronics
![Amazon.com: Intel Core 2 Quad Q9400 Quad-core (4 Core) 2.66 GHz Processor - Socket T LGA-775-6 MB - 1333 MHz Bus Speed - Yes - 45 nm - 95 W - AT80580PJ0676M : Electronics Amazon.com: Intel Core 2 Quad Q9400 Quad-core (4 Core) 2.66 GHz Processor - Socket T LGA-775-6 MB - 1333 MHz Bus Speed - Yes - 45 nm - 95 W - AT80580PJ0676M : Electronics](https://m.media-amazon.com/images/I/41AymUlqNkL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Intel Core 2 Quad Q9400 Quad-core (4 Core) 2.66 GHz Processor - Socket T LGA-775-6 MB - 1333 MHz Bus Speed - Yes - 45 nm - 95 W - AT80580PJ0676M : Electronics
![Used - Like New: Intel Core2 Quad Q9400 - Core 2 Quad Quad-Core 2.66 GHz LGA 775 95W Processor - BX80580Q9400 - Newegg.com Used - Like New: Intel Core2 Quad Q9400 - Core 2 Quad Quad-Core 2.66 GHz LGA 775 95W Processor - BX80580Q9400 - Newegg.com](https://c1.neweggimages.com/productimage/nb640/19-115-131-02.jpg)
Used - Like New: Intel Core2 Quad Q9400 - Core 2 Quad Quad-Core 2.66 GHz LGA 775 95W Processor - BX80580Q9400 - Newegg.com
![Intel Core 2 Quad Q9400 Q 9400 2.6GHz quad-core four-thread CPU Processor 6M 95W LGA775 Original and authentic quality assurance Intel Core 2 Quad Q9400 Q 9400 2.6GHz quad-core four-thread CPU Processor 6M 95W LGA775 Original and authentic quality assurance](https://ae01.alicdn.com/kf/S3b337d8b610c4cd0a1e8041eb81004e8i.jpg_640x640Q90.jpg_.webp)
Intel Core 2 Quad Q9400 Q 9400 2.6GHz quad-core four-thread CPU Processor 6M 95W LGA775 Original and authentic quality assurance
![Amazon.com: Intel Core 2 Quad Q9400 Quad-core (4 Core) 2.66 GHz Processor - Socket T LGA-775-6 MB - 1333 MHz Bus Speed - Yes - 45 nm - 95 W - AT80580PJ0676M : Electronics Amazon.com: Intel Core 2 Quad Q9400 Quad-core (4 Core) 2.66 GHz Processor - Socket T LGA-775-6 MB - 1333 MHz Bus Speed - Yes - 45 nm - 95 W - AT80580PJ0676M : Electronics](https://images-na.ssl-images-amazon.com/images/I/41AymUlqNkL._AC_UL600_SR600,600_.jpg)