For when you require higher speeds than Thunderbolt, the Blackmagic Design BMD-BDLKULSR4KEXTSPK is a PCIe Cable Kit featuring a high speed Generation 3 PCI Express plug-in card and cable used for connecting computers to the UltraStudio 4K Extreme.When you need the ultimate capture and playback solution then UltraStudio 4K Extreme is the perfect choice as it?s the most powerful video capture and playback product available. It features the latest, most advanced 12G-SDI and HDMI 2.0 connections for working with high frame rate 60 frames per second, deep 12-bit color images at massive 4K resolutions! The built in hardware encoder can convert video in realtime to H.265, which is the distribution format for Ultra HD. It also includes a wider range of analog and digital connections than any other UltraStudio model so it can be used with virtually any camera, deck, router or display.