brand new celeron processor still sealed in the box never opened. socket 370, replacement for processor i had go bad, it has a 3 yr warranty, believe it or not, intel does back their product they sent me a replacement like in 3 weeks after i called etc, took some gift of gab, but they did, lol, 100mhz bus- 128full speed L2 cache, dual independent bus architecture, i built another system, dont need it now, will let it go for 65$ shipped