This is an UPGRADED 2012 13" MacBook Pro. RAM upgraded to max permitted 16GB.  The HDD has been replaced with a 256GB SDD for speedy boot and operation.  The Optical Drive has been replaced with a caddy which holds the original 500GB HDD - can be used as a backup drive or additional storage. Operating system is latest permitted from Apple - Catalina, 10.15.7 Has expected wear from 9 year old computer (cosmetic scrapes on body, etc..), but keyboard and trackpad in good shape ASIDE from 1 MISSING KEY - Right side Command KEY.  No worn away letters on other keys.   NEW APPLE part A1344 60 Watt Magsafe 1 Charger included