StarTech.com 3 Port 2b 1a Low Profile 1394 PCI Express FireWire Card Adapter. Host interface: PCIe, Output interface: IEEE 1394/Firewire, Expansion card standard: PCIe 1.1. Product colour: Green, Mean time between failures (MTBF): 149905 h. Chipset: Texas Instruments - XIO2213B, Data transfer rate (max): 0.8 Gbit/s. Windows operating systems supported: Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64,..., Mac operating systems supported: Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.6 Snow..., Server operating systems supported: Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2019. Width: 58 mm, Depth: 90 mm, Height: 20 mm