Rocstor Premium 8in 2 Port USB Type A Female Low Profile Slot Plate Adapter converts USB pins on a USB 2.0 Motherboard header to two standard USB Type A ports. The optimal answer for low profile computer cases where the slot plate can be mounted on the rear panel of your low profile or thin client computer case, expanding to two USB female ports for easy connection to USB peripheral devices. Backed by Rocstor Lifetime Warranty.