Apple has presented a bold redesign of its MacBook, based on the conviction that users value portability more than they do the line of connectors typically found along the edge of laptops.

The new MacBook, which will go on sale in April, is the company's thinnest and lightest yet and is the combination of cutting-edge components from Apple's partners.

It has just two connectors, but they do multiple duty. Based on the new USB C standard, each port can be used to connect power supply, HDMI, DisplayPort, VGA and USB devices.

That might initially put off potential customers, but Apple's MacBook Air designs have often challenged users to accept what they aren't accustomed to in return for a lighter, thinner machine. Apple was among the first to dump the optical disc drive, Ethernet ports are gone and there are only a couple of USB ports in other of its light laptops. Apple has also embraced flash memory-based SSDs instead of hard-disk drives to further cut power consumption.

Apple is emphasizing wireless connectivity enabled by 802.11ac WiFi and Bluetooth 4 rather than wired connections.

To get the laptop thinner - it's 13.1mm at its thickest point, 24 pe rcent thinner than the MacBook Air - Apple looked to redesign many of the internal components.

There's a new keyboard that's a third thinner, a new touchpad and at the heart of the machine, the main circuit board has been cut in size by two thirds. A large part of that reduction came when Apple removed the fan that's used in other laptops to keep the processor cool.

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