Secure, reliable, and business-ready ASUSPRO D641SC delivers performance, security, and reliability in a ultra-compact and sleek package so business users can have flexible and neat workspace. Although it's ultra-compact, it doesn't compromise on I/O ports, storage or durability. It meets military-grade MIL-STD-810G durability standards and features advanced security and management solutions. With a tool-free and highly expandable design, ASUSPRO D641SC can be easily configured to meet your current and future business needs.