Well, if you have a MacbookPro with retina display here is your options: Upgrade RAM: you can't Upgrade SSD: usually doesn't worth it. too expensive

Well, if you have a MacbookPro with retina display here is your options: Upgrade RAM: you can't Upgrade SSD: usually doesn't worth it. too expensive Replace battery: $199 by Apple My recommendation is to sell your old Apple gear and get a new one every two years. It makes way more sense nowadays