Upgrade your system's storage capabilities with this advanced PCIe 4.0 expansion card featuring 12 M.2/U2 slots. Supporting blazing-fast transfer speeds up to 256GT/s, this card delivers exceptional performance for demanding storage applications. The full-height, half-length design includes an active cooling fan to maintain optimal operating temperatures for your drives. With plug-and-play functionality requiring no drivers, installation is hassle-free. The card supports both M.2 and U2 form factor SSDs with NVMe protocol, offering single M.2 port speeds of approximately 6400-7300MB/s. Compatible with various drive specifications including 2230/2242/2260/2280/22110 sizes, this expansion card provides flexible storage options. The black PCB design with integrated heatsink and cooling fan ensures reliable performance under heavy workloads. Perfect for professionals requiring additional high-speed storage expansion in workstations, servers, or high-performance computing systems.