Intel Core 2 Duo E6400 - HH80557PH0462M / BX80557E6400
Restored HP Compaq 6000 Pro Pc SFF PC Intel Core 2 Duo 3.2GHz 4GB 500GB Windows 10 Pro - (Refurbished) - Walmart.com
Restored HP Black 8000 Desktop PC with Intel Core 2 Duo Processor, 4GB Memory, 750GB Hard Drive and Windows 10 Pro (Monitor Not Included) (Refurbished) - Walmart.com
List of Intel Core 2 processors - Wikipedia
Remembering The Mighty Core 2 Duo / Quad (post your best overclock) | TechPowerUp Forums
Intel Core 2 Extreme X9000 2.8GHz Dual-Core (FF80576ZG0726M) Processor for sale online | eBay