Head to Apple's Tech Specs page to get the full details regarding your model, or just peruse this list of MacBook Pro models. Either way, that number will reveal most of the key specs about the system: processor speed, RAM, storage and even color name.įor example, if it's a MacBook MJLQ2LL/A, you'll know it has a 2.2GHz Core i7 processor, 15.4-inch display and 256GB solid-state drive. You can find the model number on the bottom of the system or, if it's handy, the box it came in. Before you can figure out how much your MacBook is worth, you need to know exactly which MacBook you have.