StarTech.com PEX4S553. Host interface: PCIe, Output interface: Serial, Serial interface type: RS-232. Mean time between failures (MTBF): 26280 h, Certification: CE, FCC, REACH. Chipset: ASIX - MCS9904CV-AA, Baud rate: 128 Kbit/s, FIFO (First In, First Out): 256 B. 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 10.10 Yosemite, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard,..., Server operating systems supported: Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows.... Width: 5.12" (130 mm), Depth: 4.72" (120 mm), Height: 0.748" (19 mm)
StarTech.com PEXUSB312A2C2V. Host interface: PCIe, Output interface: USB 3.2 Gen 2 (3.1 Gen 2), Expansion card standard: PCIe 3.0. Product color: Red. Chipset: ASMedia - ASM3142, ASMedia - ASM2806, Data transfer rate (max): 10 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 2008 R2, Windows Server 2012 R2, Windows Server 2019. Width: 3.35" (85 mm), Depth: 4.41" (112 mm), Height: 0.866" (22 mm)