Computer central processing unit (CPU). This is the underside of an AMD Phenom II CPU. It is a socket AM3 processor with four cores. The gold pins see Stock Photo - Alamy
Socket AM3+ - Wikipedia
Free Ship AMD Phenom II X2 B59 Socket AM3 (HDXB59WFK2DGM) CPU Processor 3.4 GHz | eBay
AMD Athlon II X2 280 CPU 3.6 GHz Socket AM3 Dual-Core Processor ADX280OCK23GM | eBay
AMD Phenom II 945 AM3 processor pictured - DVHARDWARE