The ATEN USB-HDMI 4K KVM adapter (DigiProcessor) connects a server or PC via HDMI and USB to an ATEN KVM switch. Supports resolutions up to 3840 x 2160 pixels at 30 Hz, 24-bit colour depth Up to 100 m distortion-free dynamic video performance over Cat5e/Cat6 LED indicators Bus-powered Supports digital audio Supports smartcard/CAC readers Firmware upgradeable Connects to PC/server via 1 x HDMI male, 2 x USB-A male Connects to KVM switch with optional Cat5e/Cat6 patch cable via RJ45 female; 1 x RJ45 female (reserved for future expansion) Compatible with ATEN KVM switches KG0016, KG0032, and others. Please refer to the ATEN website for a full list of compatible models.