It is a 13-inch MacBook Pro from 2009–2012 with a DVD drive, upgradeable parts, and a non-Retina screen. The best version is the Mid-2012 with an i7 processor and USB 3.0.
The model identifier A1278 refers to a specific line of Apple MacBook Pro laptops produced between 2009 and 2012. For many users, this is the last generation of the "true" unibody MacBook Pro, famous for its user-upgradable RAM and storage, a built-in SuperDrive (DVD drive), and a glowing Apple logo on the lid. macbook a1278 spesifikasi