Only used 3 times and got upgrade This MacBook 12\" (2015) A1534 is a powerful and reliable device with 16GB of RAM and a fast 512 GB SSD capacity. It has a 1.1 GHz Core M processor speed and Intel HD Graphics 5300 GPU, making it perfect for professional or personal use. The 12-inch screen size is perfect for portability, and it is equipped with Mac OS 11.0, Big Sur, for a seamless user experience. The storage type is SSD (Solid State Drive), which ensures quick boot and load times. It is an Apple product, a brand known for its quality and reliability.