Features: 1.Reliable Data: Reduce the number of adapters and cables, effectively reduce interface interference and line loss, and ensure data reliability. 2.4 PCIE Ports: Desktop PCIE expansion card has 4 PCIE ports, which effectively solves the lack of PCIE ports and improves the efficiency of use. 3.High Stability: The main control board adopts PCIE interface to directly supply power, no external power cord is required, and no external interference. 4.Plug in Design: Can be directly connected to the motherboard interface without an extension cord, and can be fixed on the chassis to improve stability and reliability. 5.Easy to Use: PCI E 1X to 4 ports expansion card is easy to operate, no need to install the driver, just install it and use it, but it needs an external power supply and plug. specification:Item Type: PCI E Expansion Card Material: PCB Model: PH48 Function:For Hard Disk Expansion Transfer Scope of Application:For Desktop PackageList:1 xPCIEExpansionCard 1 x Metal Baffle 1 x Screw