Softron on Twitter: "For 4K multichannel ingest on the iMac Pro, a Sonnet expansion chassis Echo Express SE III with 2 x Decklink 4K Extreme 12G works beautifully. @SonnetTech @Blackmagic_BMD https://t.co/PDhabZhGI8" /
Sonnet Echo Express SE IIIe Thunderbolt 3 Edition PCIE Card Expansion System - Walmart.com
Echo Express SE III Thunderbolt 3 to PCIe Card Expansion System - Sonnet