ASUS recommends Windows 10 Pro for business

    ExpertBook B9 B9400CEA

    Extreme Quality Test
    ASUS ExpertBook Series
    ASUS ExpertBook Extreme toughness for business
    High Temparature Test
    Low Temparature Test
    Temperature Shock Test
    Humidiy Test
    Altitude Test
    Sand and Dust Test
    Vibration Test
    Drop Test
    Shock Test
    Keyboard Durability Test
    Panel Pressure Test
    Ball Drop Test
    Hinge Test
    Twist Test
    Abrasion Test
    Port Durability Test
    Transportation Test
    Salt Fog Test
    US Standard Military Grade
    High Temparature TestEndure 32-49°C for three full days, with the power on
    Low Temparature TestEndure -21°~ ‒ 32°C for three full days, with the power on
    Temperature Shock TestSurvive temperature extremes of between -51°-71°C, with one-minute transitions
    Humidiy TestEndure 30°C and 60°C temperatures for 10 days, at 95% relative humidity
    Altitude TestSurvive at up to 15,000 feet, and between 5°-40°C, to simulate pressure and temperate resilience
    Sand and Dust TestSurvive operating temperature of between 25±2-60±2°C and dust density of up to 10±7 g/m3  for a 12-hour period
    Vibration TestWithstand 10-500Hz physical vibration in all directions, for one hour
    Drop TestSurvive 26 times drops from 122 cm, with package bundle
    Shock TestEndure a total of 18 axis and direction gravitational shocks
    Built to Endure, Anywhere
    ExpertBook is Torture-Tested to Perfection
    Keyboard Durability TestTo ensure the ultimate keyboard durability, specially designed ASUS robots test individual keys with millions of keystrokes
    Abrasion TestThe chassis is rubbed repeatedly to ensure that it’s durable enough to brush off everyday scrapes and knocks
    Ball Drop TestA ball is dropped repeatedly onto the touch panel to ensure it can endure unexpected bumps or pressure
    Hinge TestThe laptop’s display is subjected to 20,000 open-and-close cycles
    Twist TestTwist tests confirm that the chassis is strong enough to retain structural integrity
    Port Durability TestPort tests ensure that contacts and plugs are durable even in environments where devices are frequently connected and disconnected
    Free-Fall TestThe laptop must survive a single-direction drop from 120 cm, with the power on
    Transportation TestThe laptop and packaging must withstand the rigors of transport and delivery, including acceleration and bump tests
    Salt Fog TestThe laptop is exposed to 5% saline for 72 hours to ensure its chassis is incorrigible in smoggy environments
    Noise and Audio Tests
    Electric Performance Test
    • U.S. military-grade test procedures are based on the new 2020 US MIL-STD-810H standard. All new ExpertBook series laptops, including ExpertBook B1 and B3, are subjected to varying levels of the latest MIL-STD-810H military-grade tests.
    • Product-testing procedures vary depending on model and configuration.