2.9GHz quad-core Intel Core i7, Turbo Boost up to 3.9GHz, with 8MB shared L3 cache Configurable to 3.1GHz quad-core Intel Core i7, Turbo Boost up to 4.1GHz, with 8MB shared L3 cache 512GB PCIe-based onboard SSD 16GB of 2133MHz LPDDR3 onboard memory Radeon Pro 560 with 4GB of GDDR5 memory and automatic graphics switching Intel HD Graphics 630 الماركة أبل الحالة مستعمل