Amazon.com: AMD Athlon II X4 640 3.0 GHz Quad-Core CPU Processor ADX640WFK42GM Socket AM3 : Electronics
Amazon.com: AMD Athlon X4 750K CPU Used 4-Core 4-Thread Desktop Processor 3.4 GHz 4M 100W Socket FM2 : Electronics
Amazon.com: Athlon II Dual-Core Mobile 2.20GHz Socket S1 (S1g3) 2-Core Laptop CPU Processor AMM340DB022GQ Compatible Replacement Spare Part for AMD Compatible and Other Laptop Systems : Electronics