This 3.5 -inch front panel expansion hub is designed for universal 3.5 -inch drive bays of desktop PC chassis. It provides two USB 3.0 ports for quick data transfer of flash drives and external hard disks, plus a dedicated 4Pin HD audio header to connect headsets and microphones directly at the case front. The attached 2-foot 19-pin USB cable avoids wiring shortage when linking to the motherboards internal USB port. All ports are front-mounted for convenient plug and unplug without reaching the rear of the computer. No extra drivers required, it serves as an ideal internal upgrade accessory for DIY gaming PCs, office and design workstations.