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ASUS ZenBook S UX391UA-XB74T Ultra Thin 13.3
ASUS ZenBook S UX391UA-XB74T Ultra Thin 13.3
ASUS ZenBook S UX391UA-XB74T Ultra Thin 13.3
ASUS ZenBook S UX391UA-XB74T Ultra Thin 13.3
ASUS ZenBook S UX391UA-XB74T Ultra Thin 13.3

ASUS ZenBook S UX391UA-XB74T Ultra Thin 13.3" UHD 4K Touch Laptop, Intel Core i7-8550U, 16GB, 512GB PCIE G3X4 SSD, Win 10 Pro

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    Part Number:90NB0D92-M02030

    Product Description

    Slim. Stunning. Supreme. ZenBook S UX391 is all these, yet so much more. Its elegant sophistication will touch your heart and enhance your prestige, wherever you use it. Its effortless portability, powerful performance with Intel i7 processor and no-compromise connectivity with Thunderbolt™ 3-enabled USB 3.1 Type C let you get things done without fuss, without drama. And its stunningly innovative design — incorporating our unique ErgoLift hinge that improves both cooling and typing experience.

    Crafted from premium aerospace-grade aluminum to create a Unibody all metal finish that is less than 0.5 inch thin, weighs only 2.2 lbsLatest Intel 8th Gen Core i7-8550U Processor 8M Cache, up to 4.00 GHz, cooled by copper-alloy heat pipe and liquid-crystal-polymer fan13.3” UHD 4K touch display that supports Stylus, 350nits brightness with 178° viewing angles and 85% Screen to body ratio NanoEdge bezel16GB LPDDR3 2133MHz RAM, 512GB SSD, 802.11ac WiFi, Bluetooth 4.1, Latest Thunderbolt™ 3-enabled USB 3.1 Type CExclusive ErgoLift hinge automatically tilts the keyboard to the most comfortable typing position. Backlit KeyboardAll-day 50Whr Li-Polymer battery providing up to 9 hours of battery life. Features fast charging: charge to 60% in only 49 minutesWindows 10 Professional. Built-in fingerprint sensor for enhanced security and one-touch login using Windows Hello feature Harman Kardon certified speakers for high-quality surround-sound onboard audioCarrying sleeve and two dongles (USB Typc C to Type A cable & USB Typc C to HDMI cable)
    *Battery Disclaimer: Tested by MobileMark 2014 Productivity Mode with UX391UA i7/16G/1TB PCIe/UHD touch

    The Art of Perfection 

    The prestigious Deep Dive Blue and Rose Gold trim for ZenBook S is luxuriously stylish, and with its discreetly indulgent finishing touch, ZenBook S doesn't just steal the show — it owns it.  

    Designed for Ultimate Comfort

    The ErgoLift hinge is designed to tilt the keyboard to optimize the cooling and typing experience

    More Efficient Cooling

    The ErgoLift hinge also creates extra space for more ventilation around the bottom of the chassis.
    All-new Fan Design with Better Cooling System

    New cooling design with improved airflow expels warm air from the interior via vents in the hinge.
    Connect Fast, Connect Anywhere

    ZenBook S delivers the ultimate speed of Thunderbolt™ 3 in two of three USB-C™ ports.
    One-Touch Access

     Accessing your ZenBook S couldn't be easier or more secure, with the built-in fingerprint sensor.
    Comfortable Typing

    ZenBook S adds a 5.5° tilt to the keyboard so you can type comfortably anytime, anywhere.
    A Vision of Beauty

    Our amazing NanoEdge display technology just keeps evolving, and in ZenBook S we've made the bezel even slimmer to give you 85% screen-to-body ratio!

    Work Longer, Charge Faster

    ZenBook S uses a high-capacity battery with 9 hours of battery life that won't let you down, and its fast-charge technology lets you recharge ZenBook S up to 60% capacity in 49 minutes.

    *Battery life may vary depending on usage type and environmental conditions. Battery life decreases over time.
    Military-grade Durability

    ZenBook S meets the ultra-demanding MIL-STD 810G military standard for reliability and durability, undergoing a punishing test regime that includes extended tests for operation in harsh environments.

    Harmon Kardon Audio Experience

    To give ZenBook S unsurpassed audio capabilities, the ASUS Golden Ear team cooperated with audio specialists Harman Kardon to produce the next generation of ASUS SonicMaster Premium audio technology.

    Extensive connectivity

    Equipped with 2 Thunderbolt™ 3  USB Type-C™ port for versatile, ultrafast connections to all the latest peripherals.

    Backlit keyboard

    ZenBook S' full-size backlit keyboard has impressive 1.2 mm key travel, making typing more comfortable and more accurate.

    One-touch Access

    Thanks to Windows Hello technology and the fingerprint sensor built into the touchpad,  now there's no need to type in your password every time to login — a single touch is all it takes!

    One-year Accidental Damage Protection

    It's a fact -- accidents happen to all of us. ASUS ADP program* is created to bring you peace of mind and help protect your devices against damages such as: liquid spills, electrical surges, and drops.


    • ASUS ZenBook S UX391UA-XB74T Ultra Thin 13.3" UHD 4K Touch Laptop, Intel Core i7-8550U, 16GB, 512GB PCIE G3X4 SSD, Win 10 Pro

    • Operating System
      Windows 10 Professional (64bit)

      13.3" UHD (3840*2160), glossy

      Intel® Core™ i7-8550U 1.8GHz (Turbo up to 4GHz)

      Intel HD

      16GB LPDDR3 (On Board)

      512GB PCIE G3x4 SSD

      Wireless Data Network
      Bluetooth 4.2

      HD Web Camera

      1x Headphone-out & Audio-in Combo Jack
      1x USB3.1-Type C(Gen1)
      2x USB3.1-Type C(Gen2) with Thunderbolt

      50WHrs, 2S2P, 4-cell Li-ion

      12.2" x 8.4" x 0.5"

      2.3 lbs

      *All specifications are subject to change without notice. Please check with ASUS support for more detail.

    This item has

    • ASUS ZenBook S UX391UA-XB74T Ultra Thin 13.3" UHD 4K Touch Laptop, Intel Core i7-8550U, 16GB, 512GB PCIE G3X4 SSD, Win 10 Pro

    • * Power Adapter
      * User Manual
      * Warranty Card (1YR International*/1YR ADP with 1-way free shipping/30-Day Zero Bright Dot/2-way FREE shipping for standard warranty repair/24-7 tech support)


    Delivery Details

    Orders are processed Monday through Friday 9AM to 6PM PST and will not be processed during weekends or holidays. Orders received before 2PM PST are processed within two business days. Please note that orders will not be shipped during holidays and weekends.

    We do not use FedEx Ground service for Hawaii and Alaska, only express (Overnight or 2 days). Customers have to pay for express shipping to order to these two states. We apologize for any inconvenience this may have caused. 




    If any question, please contact us during business hours (M-F 6am~6pm PST)

    Phone: 1-855-755-2787


    Return Policy

    Return for refund within 30 days

    Restocking Fee: May apply if the product is in opened or missing accessory condition

    Please note that you may be charged a 15% Restocking Fee for non-defective returned items.

    Prices Are Subjected to Change Without Prior Notice. 

    Asus provides a refund for eligible returns* that are requested within 30-calendar days of the order date. Returns may subject to a restocking fee at the sole discretion of ASUS Store. All eligible refunds will be for merchandise total and applicable sales tax per original order (minus restocking fee if any). Any returns received 31-calender days or more will be returned and no longer eligible for return.

    * Select items are not eligible for return
    • Software, driver disc, or damaged items


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