ASUS recommends Windows 10 Pro.

    A4321

    ASUSPRO All-in-One PC

    CERTIFIED RELIABILITY

    ASUSPRO business All-in-One PCs are designed to provide the best quality, reliability and usability. ASUSPRO business desktops have been certified by authoritative research institutes for their industry-leading performance on critical test items, proving that they rank among the best in the industry.

    LOW OPERATION NOISE

    ASUSPRO uses differential thermal analysis to optimize performance and reduce operating noise with ferrite chokes and an advanced thermal design.

    ULTRA STRINGENTLY TESTED

    ASUSPRO All-in-One PCs have surpassed stringent quality tests to ensure best-in-class quality. All hinges used in our All-in-One PCs are capable of surviving 10,000 test cycles, as well as a series of pressure and wobbling tests to guarantee industry leading durability.

    ELECTROSTATIC
    DISCHARGE (ESD)

    Our power adapters and chassis are designed to protect ASUSPRO All-in-One PCs from the potentially harmful effects of ESD. ESD protection elements on the motherboard protects the PC from the event of electrostatic discharge.

    Electrostatic discharge(ESD)
    protected

    Lightning-surge-proof power adapter and LAN connector protects the device against unexpected lighting surges.

    ELECTROMAGNETIC
    INTERFERENCE PROTECTION

    Decoupling capacitors are adapted for each unit, and common mode chokes are used to suppress radiation noise through I/O ports.