AMD Athlon A1000AMT3B 1000MHz 1.0GHz Socket A (462) Ceramic Processor CPU & HeatSink Bundle VERY RARE Vintage CPU - 1.0Ghz (1000Mhz) CPU with matching performance Heat-Sink. Includes Heat-Sink designed for this CPU! This is the renowned K7 Architecture with 200Mhz Bus and 32-bit x86 CPU. Includes:MMX instructionsExtensions to MMX3DNow! technologyExtensions to 3DNow! Note: Fan needs a clean - fan has some dust but in excellent working order. CPU will need new thermal paste before pairing up with the heat-sink again. Please make sure you have a vintage motherboard with Socket A - 462 (453-pin staggered ceramic PGA) for AMD Athlon CPUs! Obviously this is NOT for modern PCs/Motherboards.