1. The PCI-E expansion riser card adapter is designed to convert 1 PCI-E 1X slot into 4 PCI-E 1X slots. 2. The 4 PCI-E 1X slots could connect sound card, graphics card and network card simultaneously and work in an independent non-interfering way. 3. It is the perfect and practical solution to instantly expand PCI-E slots in crowded systems or on the motherboards with limited PCI-E ports. 4. Works greatly for all Windows OS, Linux and Mac. 5. Easy installation, fully plug and play, convenient and efficient. 6. Solid capacitors supply stable power delivery.
