The specification of the design is the very same as the initial design showed in the apple site.http:// support.apple.com/kb/SP576This one has the CPU with 3.06 GHz Intel Core 2 Duo processor.The disk drive is replaced with 250GB instead 500Gb. Other than that, everything works great and in an excellent condition.The iMac only. no keyboard, no mouse.Need to sell due to moving.Thanks for looking!