The SV431H StarTech 4-Port Professional USB PS/2 KVM Switch offers seamless control of up to four computers through a single keyboard, mouse, and monitor setup. Designed for USB and PS/2 compatibility, this switch supports both modern and legacy systems, making it ideal for mixed environments. Its professional-grade build ensures reliable switching and minimal signal loss, enhancing productivity and workspace efficiency. Refurbished to meet stringent quality standards, this compact unit delivers dependable performance for IT professionals managing multiple systems.