3 external and 1 internal port. The NEC NEC1394P3 Rev A Firewire 4 Port IEEE 1394 PCI Expansion Card is a high-quality adapter card that allows users to easily expand their computer's FireWire capabilities. With support for multiple devices, high-speed data transfer, and digital video capture, this card is perfect for those looking to connect a variety of external devices to their system. Additionally, its backward compatibility, stable signal transmission, and plug-and-play functionality make it a convenient and reliable choice for users in need of a versatile FireWire solution.
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