PCIe 1X to 4 PCIe X16 Riser Card, PCI-E Port Multiplier External 4-Slot Expansion Adapter for GPU Mining Rig

This PCIe 1X to 4X16 port multiplier riser card turns one motherboard PCIe x1 interface into four usable PCIe x16 ports, greatly expanding installation space for multiple GPUs on mining rigs. Adopting mature port multiplier solution, it keeps steady data and power transmission to avoid frequent drop-off of mining graphics cards. External separated slot design effectively reduces internal case crowding and optimizes airflow cooling for GPUs. Perfectly matched with most desktop motherboards from Intel and AMD platforms, it is an essential expansion accessory for DIY cryptocurrency mining equipment assembly.