APPLE Macbook Pro 13.3" Mid 2012 OS Catalina Core i5, 2.5GHz 8GB (Model A1278)<div><br></div><div><b>PLEASE READ THE CORRECT SPECS IN THE BOX PICTURE, I HAVE WRITTEN MOST OF THEM DOWN HERE. I am not a computer expert, so please refer to specs. I upgraded memory to 8GB from 4GB, which was how the computer came originally.</b><br><div><br></div><div>Upgraded my MAC because this model A1278 was sluggish compared to the new MAC. I had Apple set the computer back to factory settings. This computer is a 2012 Model in working condition.</div><div><div><br></div><div>Serial #C1MP6N35DT43.</div><div><br></div><div>Mac OS Catalina Version 10.15.7, Processor 2.5 GHz Dual Core Intel Core i5, Original Memory 4 GB of 1600 MHz DDR3 SDRAM&nbsp;</div><div>(I added 4GB to make it 8GB), Graphics Intel HD 4000 1536 MB, 500GB 5400rpm Hard Drive</div><div><br></div><div>Please refer to photos and do not hesitate to ask questions, thank you.</div></div></div>