But then you have less overhead and likely did not supply everything new including OS and very possibly other software suites.
I build my own as well - not replacing 1/2 to 3/4th of the hardware for a rebuild makes it a lot cheaper but also makes it a cars to ant comparison with a OEM build. -- Brian
"It drops into your stomach like a Abrams's tank.... driven by Rosanne Barr..." A. Bourdain