StarTech.com MPEX1394B3. Host interface: PCIe, Output interface: IEEE 1394/Firewire, Expansion card form factor: Full-height / Low-profile. Product color: Black, Stainless steel, Certification: CE, FCC. Chipset: LSI/Agere - FW643, 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..., Mac operating systems supported: Mac OS X 10.10 Yosemite,Mac OS X 10.11 El Capitan,Mac OS X 10.6 Snow Leopard,Mac OS X 10.7..., Server operating systems supported: Windows Server 2008 R2,Windows Server 2012. Width: 1.18" (30 mm), Depth: 1.97" (50 mm), Height: 0.157" (4 mm)
StarTech.com PEXUSB321C. Host interface: PCIe, Output interface: USB 3.2 Gen 2 (3.1 Gen 2), Expansion card standard: PCIe 3.0. Product color: Red, Mean time between failures (MTBF): 3126209 h. Chipset: ASMedia - ASM3242, Data transfer rate (max): 20 Gbit/s. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Mac operating systems supported: Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 11.0 Big Sur, Server operating systems supported: Windows Server 2012 R2, Windows Server 2016, Windows Server 2019. Width: 3.15" (80 mm), Depth: 2.01" (51 mm), Height: 0.866" (22 mm)