1Multi Port Adaptation:: This computer adapter card supports PCIE3.0x16 to 4 port U.2 SFF8643 function, which can conveniently convert one PCIE3.0x16 interface to 4 U.2 SFF8643 ports, expanding your computer interfaces and enhancing your computer's multitasking ability. 2High Speed Transmission: Utilizing the ultra high bandwidth of PCIE3.0x16, this adapter card is able to provide extremely high speed data transfer capability, greatly reducing file transfer time and improving work efficiency. 3Easy Installation: This adapter does not require professional construction, the convenient and quick installation allows anyone to easily upgrade the hardware, to meet the needs of individuals and businesses to use computers efficiently. 4Durable Material: TXB128 PCIE3.0x16 to 4 port U.2 SFF8643 adapter card is made of premium PCB material, which makes the product has good abrasion resistance and ensures the product's long term stable use. 5Computer Optimization: With this adapter, users can combine multiple low speed devices into one high speed interface to optimize the performance of the computer and easily cope with high load computing tasks.Item Type: Adapter CardMaterial: PCBAdapter Type: PCIE3.0x16 to 4 Port U.2 SFF86431 x AdapterCard