This is a 2012 Apple MacBook Air with 2.0GHZ i7 processor and 13.3 inch screen (MD231LL/A). It starts up and is usable for a while but after some minutes the video glitches and it restarts on its own. It has 8GB of Memory and a 500 SSD Hard drive. You could try to fix it or use it for parts. overall, in great cosmetic condition.