BIOSTAR Announces the TB250-BTC PRO: The 12-GPU Ready Crypto Mining Motherboard!
Biostar PCIE X1 to USB 3.0 CRYPTO MINING EXPANSION CARD | Shopee Philippines
Crypto Mining Guide
TISHRIC Golden PCIE PCI E Riser Card 1 to 4 USB 3.0 Multiplier Hub PCI Express 1X to 16X Adapter For Bitcoin ETH Mining Miner|Computer Cables & Connectors| - AliExpress
AAAwave PCIE Riser VER 009S 1x to 16x Graphic Extension for GPU Mining USB Riser Powered Adapter Card, 60cm USB 3.0 (Orange)
Biostar USB Riser Motherboard comes with 104 USB ports for cryptomining