The new Ultrabook weighs less than 1kg by NEC

LaVie Z is 13.3 inches in size with aluminum frame - lithium is 50% lighter than aluminum used on other ultrabooks.

LaVie Z weighs only 999g. (Photo: Engadget).

According to Engadget , NEC is about to unveil a 13.3-inch ultrabook model weighing only 999g. This product is named LaVie Z and can be launched this summer.

LaVie Z is advertised as using an aluminum-lithium frame that is 50% lighter than conventional aluminum used on other computer models. According to PC Watch , this is one of the lightest ultrabook models in the world.

The aluminum-lithium material used in LaVie Z's frame is 50% lighter than ultrabook's aluminum frame.(Photo: PC Watch).

Currently, the price, configuration and specific release time for this product are still unknown. This model is still in development.