As one of its daily deals, Newegg offers the AMD A10-5800K Trinity 3.8GHz Socket FM2 Quad-Core Unlocked Desktop Processor, model no. AD580KWOHJBOX, for $89.99 with free shipping. That's the lowest total price we could find by $2 and the best deal we've seen. It has a 4MB L3 cache and 4.2GHz boost speed. Deal ends today.