The NZXT Vertical GPU Mount Kit PCIe 4.0 x16 175mm Riser Cable in white is designed to securely hold a GPU in a vertical orientation, allowing for better cable management and improved airflow within a computer case. Specifically designed for PCI Express 4.0 x16 slots, this mount kit from NZXT is easy to install and provides a sleek and organized setup for your graphics card. With a memory size of 175mm, this product is perfect for those looking to enhance their computer's performance and aesthetics.