The 120mm PCIe 3.0 X4 Riser Cable by Glotrends is a versatile and essential component for various computer accessories such as M.2 cards, WiFi adapters, Firewire devices, USB cards, and sound cards. With a cable length of 120mm, this unit provides a convenient and reliable connection for improving the functionality of your computer system. Ideal for expanding your computer's capabilities and enhancing its performance, this riser cable is a valuable addition to any tech-savvy user's collection.