Professional video capture cards to capture from analog, digital with several connections: PCI, PCIe, USB and ThunderBolt.
Magewell FLEX I/O 6 HDMI 4I2O with 4-channel 2K capture +2-channel 2K playback card
AJA Corvid 44 Flexible Multi-Format I/O video capture card
AJA KONA IP is the video capture card Compatible I/O for IP Pipelines
Aja KONA 1 streamlined Capture and Playback over 3G-SDI
Bluefish444 Epoch 4K neutron deliver cutting-edge video workflows
Aja kona HDMI 4 Channel Four Channel HDMI Capture 1x 4K/UltraHD or 4x 2K/HD PCIe 2.0 card
AJA U-TAP HDMI/SDI - USB 3.0 Powered 3G-SDI and HDMI Capture. Portable, Simple and Compatible USB 3.0 Input
DarkCrystal SD Capture Mini-PCIe Quad (C351) is a multi-channel SDI minicard.
AVerMedia CL311-M1 4K Multiple Inputs Low Profile video Capture Card
AVerMedia CN331-H is the video capture card with M.2 interface and H.264 encoding with 1ch / 1080p60
AVerMedia CN311-H is a video capture card with innovative HDMI M.2 interface that allows HDMI connection and up to 4k resolution