The Salient Systems BNC Surveillance Capture PCI Card is a video capture card designed by Blackmagic Design. It features 4 ports for Composite RCA input and SDI interfaces, supporting NTSC-M broadcast formats. Made in Japan, this card is compatible with PCI Express x4, PCI, and PCI Express ports, making it a versatile option for capturing analog video signals in a computer system. With its reliable brand reputation and external interfaces, this PCI card is ideal for those looking to incorporate video capture functionality into their computer setup.