WBTUO Riser Card PCI-E USB 3.0 PCIe Port Multiplier Card PCI Express PCIe 1 to 4 PCI-E to PCI-E for BTC Miner Machine

Please Note: Recently, new motherboards have appeared on the market. The factory default setting of the LPE-4X is GEN3. As a result, the computer cannot recognize the graphics card or the exclamation mark appears. You need to set the BIOS to set the PCI-E16x speed to GEN2 or GEN1 , recommended to set to GEN2. Features: Item:PCI-E 1 to 4 Riser Card Product Type::LPE-4X Bus interface:PCI-E X1 Number of interface:PCIE-USB *4 Size:120MM*67MM*57MM Weight:70g System support: DOS,L INUX,WINXP,WIN7,WIN8,WIN10 Package listing: 1* PCI-E 1 to 4 Riser Card Warm tips: This adapter don't support plug and play.You need to connect all ports before open your PC.Or if have opened your pc, you can deactivate this adapter on the device manager,then plug in the port and enabled the adapter on the device manager.