The 2170790-3 CAGE ASSY, a high-speed connector assembly designed for optimal performance in data and device applications. This sleek and compact 1x4 QSFP28 cage features a durable construction with UL 94V-0 flammability standard compliance, ensuring safety and reliability. With through-hole press-fit termination and four ports, it offers seamless connectivity on printed circuit boards. The cage's thermally enhanced design, featuring internal/external EMI springs and a black anodized heat sink, guarantees efficient heat dissipation, even in rugged operating conditions ranging from -40 to 85°C. Each port accommodates signal circuit applications with tin-plated contact terminations, while the included lightpipe enhances visibility. RoHS compliant and ECCN EAR99, this cage assembly is a dependable solution for high-speed cable-to-board connector systems.