Amazon.com: AMD Athlon II X4 640 3.0GHz 2MB Quad-core CPU Processor Socket AM2+ AM3 938-pin 95W with Thermal Paste Bundle : Electronics
AMD X4 640 3.0GHZ AM3 CPU W/ TT CPU COOLER at TigerDirect.com
Price history & Review on AMD Athlon II X4 640 3 GHz Quad-Core CPU Processor ADX640WFK42GM Socket AM3 | AliExpress Seller - TaiYuan Store | Alitools.io
Intel Core i7 640M vs AMD Athlon II X4 640
Price history & Review on AMD Athlon II X4 640 Processor(3.0GHz/2MB/Socket AM3)Quad-Core scattered pieces cpu | AliExpress Seller - RE Store | Alitools.io