Lenovo admits aluminum notebooks aren't exactly new to the market, it believes that vast majority wouldn't be able to pass their strict durability and reliability tests. For years, Lenovo has relied on carbon fiber as it's ThinkPad material of choice due to it's high strength at low thicknesses and weights. Aluminum, on the other hand, is also strong, but it needs extra thickness (and therefore weight) to get the same kind of strength and rigitidty as carbon fiber.
"Making it thinner to meet our own weight requirements presents design challenges, in particular on corners and edges. We tackled these head-on with our engineering team, who created a thinner, lighter, and smaller design than the previous generation ThinkPad X1 Yoga, while maintaining the rugged quality that allows this to be a do anything, anywhere design users expect from ThinkPads," says Rob Cato, Lenovo's North American channel chief.
As a result of this engineering feat, the 2019 X1 Yoga is an all new full precision-machined aluminum design in an iron-gray color.
It also sports many of the new technologies offered in the X1 Carbon, like the 8th Gen Intel Processors, 400 nit low power display, security features, etc.
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