Amazon.com: Intel® Celeron® G6900 Desktop Processor 4M Cache, up to 3.4 GHz : Electronics
An old - still functional Celeron M 370 rated at 1.5GHz with a whopping 1MB of cache and a 400MHz FSB. Yeah some of the pins are bent, but I'll fix them.
Intel Celeron N4000 review | 60 facts and highlights