Apple will introduced Updated Mac book with Intel’s next- generation Kaby Lake Processors at the end of this year.
New 12-inch MacBook Pro Kaby Lake processors will enter mass production in the early second quarter, which starts in March, and noted a 16GB of RAM option could be added—presumably as a high-end or built-to-order configuration. The two current 12-inch MacBook configurations include 8GB of RAM.
They also mention a "15-inch MacBook" that will include 32GB of RAM and enter mass production in the early fourth quarter, which starts in September. This model will be "the most significantly redesigned product this year," and he believes it will adopt desktop-class RAM to satisfy high-end users.