PCI-e PCI Express Riser Extender Adapter Card For Mining Bitcoin Litecoin Rigs ETH ETC Ethereum XMR Monero ZEC Zcash (4-in-1)

Important note: DO NOT fill four slots at one time,you need to test your motherboard,this 4 in 1 adapter has higher performance requirement for motherboard.Please follow this correct operation: Add ONE 16x riser card at ONE time and it will work. Add one card, boot to Windows, shutdown, add second 16x riser card, boot to Windows, shutdown, etc etc, till the motherboard's limit. Thanks!Kindly note:This is only pci-e card, we also have usb pci-e 16x board together sale with this card, please just search item# 9SIA6V86PY2474.Description:About the 4 in 1 Adapter,at first please DO NOT fill four slots at one time,you need test your motherboard,this 4 in 1 adapter has higher performance requirement for motherboard,Our test (Asus z270 motherboard and NVidia 1070),It's like a pipe,if the water flow is adequate,then it could install 10 Faucet,But if the water pipe itself is very narrow,there is useless to install 10 faucet,in this case, the motherboard just like pipe.Features: Solve the quanti