Add control of up to 8 USB-based servers or KVM switches to your 1UCABCONS series LCD consoleThe CAB831HDU 8-Port USB KVM Switch Module is designed for use with StarTech.com's 1UCABCONS series (1UCABCONS 1UCABCONS17 1UCABCONS19) 1U LCD Rack Consoles allowing control of up to 8 USB-controlled PCs or servers from a single console.Featuring a rugged and durable design the USB KVM Module fits neatly behind your rack console to provide upgraded functionality while saving space in the rack. The CAB831HDU is also compatible as a replacement KVM module for the RACKCONS1708 RACKCONS1716 and RACKCONS1916 Rack Mount LCD Consoles. A scalable and versatile KVM solution the USB module can be cascaded with multiple KVM switches delivering control of up to 64 computers in total. Backed by a StarTech.com 3-year warranty and free lifetime technical support.The StarTech.com Advantage- Designed to work with the 1UCABCONS series LCD Console expanding control capability- Compact design and rear cable connections occupy only 1U of space even when attached to an LCD console- Cascade support allows you to control up to 64 PCs from a single console