Intel Core 2 Duo E4400 - HH80557PG0412M / BX80557E4400
Amazon.com: Dell OptiPlex, Intel Core 2 Duo 2.9GHz E7500 Processor, 4GB Memory, 500GB Hard Drive, DVD, WiFi, Bluetooth 4.0, Windows 10 Home (Renewed) : Electronics
E4400 SLA3F Intel Core 2 Duo CPU 2GHz 2Mb 800 LGA 775