MacBook Pro "M4 Max" 16-Core CPU/40-Core GPU 16-Inch (2024) model features a 4.5 GHz Apple M4 Max processor with sixteen CPU cores (12 performance cores and 4 efficiency cores), a 40-core GPU, a 16-core Neural Engine, a default 48 GB of "unified" onboard RAM, and a default 1 TB onboard SSD. Both the RAM and SSD can be custom configured with higher-end options at the time of initial purchase, but neither the RAM nor the SSD can be upgraded subsequently.