Usb3.0 Pci-e Express Expansion Card Adapter Pcie 1 To 4 Slot Pcie Port Multiplier Card

Description: Name: 1 to 4 PCI-E Expansion Card Bus type: PCI-E X1; Number of ports: 4 X USB 3.0; Size: about 120X55X75mm/4.72X2.16X2.95"; Product weight: about 70g; Operating system support: DOS, Linux, Windows XP/7/8/10; Features: 1. 4 slots bring great scalability. 2. Increase the BIOS, improve the compatibility of the motherboard and the graphics card, and reduce the power consumption; Packing list: 1 * 1 to 4 PCI-E Expansion Card Note: 1. Limit the number of graphics cards through WINDOWS. WIN10 can only recognize 8 graphics cards, and WIN7 can only recognize 6 graphics cards. If you want to use the modified graphics card driver, please use the same type of graphics card on the same motherboard. 2. Please use LINUX system for more than 8 graphics cards.