ASUS recommends Windows 10 Pro.

    ASUS ZenBook S UX391UA

    Angled for creative power
    Thin and Light
    Seriously portable
    1kg
    Ultralight1
    12.9mm
    Ultrathin
    Hinge
    Designed for ultimate comfort
    Improved
    typing position
    Optimized
    cooling system
    Enhanced
    audio performance
    145° 5.5°
    Design
    The art of perfection
    40- step
    Spun-metal finish
    2- phase
    Anodized highlights
    Unibody
    All-metal construction
    Rose Gold
    Diamond-cut edges
    Performance
    No fuss, no drama
    Windows 10 Pro
    Core™i7
    Up to Core™ i7
    Intel® CPU
    4.0GHz
    Boost to 4.0GHz
    frequency
    1TB
    Up to 1TB
    PCIe™ x4 SSD
    16GB
    Up to
    16GB RAM
    2
    Thunderbolt™ 3
    USB-C™
    Display
    A vision of beauty
    3840X2160
    Up to 3840x2160 4K UHD
    331ppi
    Up to 331ppi pixel density
    100%
    sRGB
    72%
    NTSC
    5.9mm
    NanoEdge display bezel
    Battery
    Work longer, charge faster
    13.5hrs
    Up to 13.5 hours
    battery life7
    60%
    Fast charging
    60% in 49 mins5
    50Wh
    Battery capacity
    Thermal
    Evolved cooling
    5°C
    Up to 5° cooler than
    previous generation8
    0.3mm
    Thin fan impeller
    13.4%
    More air flow
    Connectivity
    Connect fast, connect anywhere
    3
    USB-C™ ports
    2
    40Gbps
    Thunderbolt™ 3 ports5
    Faster data transmission
    40Gbps
    Thunderbolt™ 3
    20 Gbps
    Thunderbolt™ 2
    5 Gbps
    USB 3.1 Gen 1
    40Gbps
    Thunderbolt™ 3 USB-C™ Thunderbolt™ 3 USB-C™ USB-C™
    Audio
    Immersive Harman Kardon audio
    Harman Kardon certified
    The Best Windows Experience
    One-touch access with Windows Hello
    User Experience
    More comfortable, by design
    0.2mm
    Dished keycaps
    19.05mm
    Key pitch
    1.2mm
    Key travel
    Meet Amazon Alexa
    Use your voice to control your day
    Learn more about Amazon Alexa
    ASUS Laptop Quality Tests
    Ultratough: military-grade durability
    Learn more about ASUS Laptop Quality Tests
    Drop Test
    Vibration Test
    Altitude Test
    High Temperature
    Test
    Low Temperature
    Test
    • Weight may vary according to configuration.
    • Compared to Apple® MacBook® (i3/8G/256G).
    • Compared to 2018 Dell XPS 13.
    • Performance comparisons based on Cinebench results on Apple MacBook® (i3/8G/256G).
    • Unless otherwise stated, all performance claims are based on theoretical performance. Actual figures may vary in real-world situations.
    • Touchscreen models only.
    • Battery life test configuration: Intel® Core™ i5-8250U, 8GB RAM, Full HD display, 256GB SATA SSD. Battery tests conducted by ASUS in December 2017 using the MobileMark® 2014 Office Productivity scenario. Test settings: Wi-Fi enabled, display brightness set to 71%. Actual battery life may vary depending on product configuration, usage, operational conditions and power management settings. Battery life will decrease over the lifetime of the battery.
    • Maximum measured temperature difference, tested on ASUS ZenBook S (4K UHD touchscreen/Intel® Core™ i7/16GB RAM/1TB PCIe® SSD).
    • Included accessories vary according to country and territory. Please check with your local ASUS retailer for details.
    • Wi-Fi Master test configuration: under controlled test conditions, streaming Full HD YouTube videos, and AP set with one antenna at 802.11g. Actual Wi-Fi range and performance may be affected by environmental factors. Interference from USB 3 devices may vary according to the device. Range comparisons refer to standard laptop with all-metal chassis design.
    • MU-MIMO operation requires compatible MU-MIMO client devices.
    • Amazon Alexa availability varies according to country. Please check with your local ASUS retailer for details