The ATEN CS18208 8-Port USB 3.0 4K HDMI KVM Switch can effectively access and control up to 8 HDMI computers from a single USB keyboard, USB mouse, and HDMI monitor console. The CS18208 supports high video quality up to 4K DCI (4096 x 2160 @ 60Hz), presenting crystal-clear visuals. To meet the needs of easy expansion and flexibility, the CS18208 can control up to 512 computers by cascading to three levels for a single console. Furthermore, the CS18208 supports multi-display function by stacking up to eight CS18208 units to compare and analyze information on 8 monitors at most, which substantially streamlines the working environment. With two patented ATEN technologies – Video DynaSync™ and EDID Expert™, the CS18208 can optimize display resolution, accelerate switching between ports and power up smoothly while eliminating boot-up display problems. Besides, the CS18208 comes with a built-in USB 3.1 Gen 1 hub delivering data transfer rates up to 5 Gbps, allowing users to speed up operations and share USB peripherals instantly. For user-friendly port selection methods, the CS18208 offers pushbuttons, hotkeys, RS-232 commands, and OSD with newly-designed UI, bringing effortless and intuitive operations. To eliminate security concern, a two-level password authorization is available to enhance security protection for accessing and controlling computers. Consolidating these advantageous functionalities, the CS18208 is ideal for server room or computer room management applied in industries with requirements for high-quality images and multitasking, such as enterprise, government, production, telecom, finance, media, content provider, video surveillance, etc.