Apple MacBook Pro A1278 13.3" Laptop - MC374LL/A 8GB 500GB end2012.  This Certified Refurbished product is factory refurbished, shows limited or no wear, and includes all accessories plus a 1 year warranty. Upgradable to New OS 

 MacBook Pro "Core i5" 2.3 13-Inch (End 2012/Thunderbolt) features a 32 nm "Sandy Bridge" 2.3 GHz Intel "Core i5" processor (2415M), with two independent processor "cores" on a single silicon chip, a 3 MB shared level 3 cache, 8GB of 1333 MHz DDR3 SDRAM (PC3-10600) installed in pairs (two 4GB modules), a 500GB GB Serial ATA (5400 RPM) hard drive , an 8X DL "SuperDrive", an Intel HD Graphics 3000