ĭespite its small size, it features a full-sized keyboard and a large trackpad. Shortly after the MacBook's introduction, various companies began announcing cables and adapters for the USB-C port. Thunderbolt devices, such as storage media and the Apple Thunderbolt Display, are not compatible. It was one of only two Macs, along with the 2012 Mac Pro, to not support Thunderbolt since it was introduced to Macs in 2011. Although Thunderbolt 3 technology uses USB-C connectors, the MacBook's USB-C port does not support Thunderbolt. Apple markets an adapter that can provide a full-size USB connector, and a 'Digital AV Multiport Adapter' with a charging pass-through, full-size USB port, and HDMI output. The port supports transmission speeds of up to 5 Gbit/s, and can be used for data, and audio/video output, and charging it was the first MacBook without MagSafe charging. The MacBook has only two ports, a 3.5 mm headphone jack and a single, multi-purpose USB-C port it was the first Mac with USB-C. The MacBook has at times been available in space gray, silver, and gold finishes. It had a similar appearance to the MacBook Air, but was thinner and lighter, offered (at the time of introduction) more storage and memory and a higher-resolution 2304×1440 Retina display, but lower processor and graphics performance.

It employed Intel's Broadwell Core M processors at a TDP of around 4.5 Watt to allow for a fanless design and a logic board that is much smaller than in previous MacBooks. The MacBook was announced at an Apple special event on March 9, 2015, and was released a month later on April 10. It was released in 2015, revised in 2017, and discontinued in July 2019, a year after the release of the MacBook Air with Retina display. It only had a single USB-C port, used for both power and data, as well as a 3.5mm headphone jack. It was more compact than any other notebook in the MacBook family at the time and included a Retina display, fanless design, a Butterfly keyboard with lower key travel. The 12-inch MacBook (also called the Retina MacBook, officially marketed as the new MacBook) is a discontinued Mac laptop made by Apple Inc., which sat between the MacBook Air and MacBook Pro in Apple's laptop lineup.

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