RJ-45 ports are used for LAN (Local Area Network) connections. With more ports you can achieve increased bandwidth across a LAN, or connect to multiple networks. It also has the added benefit of not losing connection to the network if one fails.
The device has a display with three full subpixels per pixel, resulting in a sharp and crisp picture. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.
Apple MacBook Air (2015) 13" Intel Core i5 1.6GHZ / 8GB / 256GB
Apple MacBook Pro (2015) 13" Intel Core i5 2.7Ghz / 16GB / 256GB
7% have it
13. USB 3.0 ports
More USB 3.0 ports allow you to connect more devices to your computer that support USB 3.0. USB 3.0 is an improved version of USB 2.0 which offers faster transfer rates.