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Asus Zenbook S UX391UA Unveiled at Computex 2018

the Asus Zenbook S UX391UA is officially unveiled at Computex in Taiwan. This 13-inch ultrabook introduces some interesting arguments like its original pink bordeaux design with ErgoLift hinge, its measurements (12.9 mm, 1 kg) and its optional NanoEdge 4K UHD touch screen.

Asus Zenbook S UX391 UA Unveiled at Computex 2018

Direct descendant of the Zenbook UX390UA, the Zenbook S resumes its ultra-compact bias with a chassis totaling a weight of 1 kg and 12.9 mm thick (311 x 213 x 12.9 mm). Seeking ultimate mobility, it sits in a single piece of aluminum that meets the MIL-STD-810G military standard for rugged durability.

The “Zen” spirit is at work with a concentric design typical of the Zenbook family. Asus introduces a new color Bordeaux (Burgundy Red) with pink details and also offers its UX391UA in a more consensual shade, a navy blue (Deep Dive Blue) darker than the “Royal Blue” seen so far on its ultrabooks.

Asus is also announcing the adaptation of a new ErgoLift hinge that is becoming more ergonomic. This will tilt the keypad 5.5 degrees and allocate an opening angle of the lid up to 145 degrees . The manufacturer can boast a gain in terms of typing comfort, better air circulation below and around the chassis and a richer sound deployment (2 x 3.5 W).

At the opening, we discover a 13.3-inch screen design NanoEdge and its ultra-thin frame. It is planned in versions Full HD (1920 x 1080 px) gloss or anti-glare (blue version only) non-touch and 4K UHD (3840 x 2160) touch multi-touch .

The interior of this Zenbook S UX391 contains a quad Core processor Kaby Lake Refresh low power Core i5-8250U (1.6 GHz) or Core i7-8550U (1.8 GHz) with Intel UHD 620 graphics and supported by 8 or 16 GB of memory live LPDDR3 2133 MHz (soldered).

The storage is entrusted to a dedicated SSD M.2 SATA 256 GB or M.2 NVMe PCIe x4 512 GB to 1 TB , a guarantee of responsiveness.

On the connectivity side, Asus gives pride to the Thunderbolt 3 with 2 USB 3.1 Type-C Gen 2 Type-C ports as well as another USB 3.1 Type-C Gen 1 port for power supply. These three ports support fast reloading, data transfer, and screen connectivity. A headphone / microphone port is also present with Wifi AC and Bluetooth 4.2 wireless modules.

For essentials, there’s the backlit chiclet keyboard , a fingerprint reader and compatibility with Amazon Alexa that provides simplified help within earshot.

With the support of a Li-polymer battery 50 Whr, the autonomy is given for a whole day, or 13.5 hours with fast charging technology that charges an empty battery to 60% in 49 minutes .

Finally, Asus is redesigning its cooling system on the Zenbook S with liquid crystal polymer fan rotors with 71 blades installed in an aerodynamic design able to circulate the air more optimally. Result, Asus announces up to 5 ° C won on the operating temperatures of previous Zenbook.


The Asus Zenbook S UX391 will be marketed from mid-June 2018 in the United States with a first price unveiled at $ 1,499 for the declination Deep Blue (13.3 “FHD, Intel Core i7-8550U, 16 GB RAM, SSD 512 GB).

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