StarTech.com PEX4S952 interface cards/adapter Internal Serial

Add four RS232 serial ports to any PC using a single PCI Express expansion slot
The PEX4S952 4 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART allows you to turn a PCI Express slot into 4 RS-232 (DB9) serial connections.
The four port serial card is based on a native single chip design, that harnesses the full capability of PCI Express (PCIe) - providing optimum reliability and speed, and reducing the load applied to the CPU by as much as 48% over conventional serial cards.
Offering compatibility with a broad range of operating systems including Windows®, Linux and Mac® OS for easy integration into mixed environments. Plus, an included optional low profile/half-height bracket that allows the card to be installed in virtually any computer case – making it that much easier to add serial ports to your PCI Express enabled computer, regardless of the case form factor.
Backed by a StarTech.com Lifetime warranty and free lifetime technical support.
* Native single-Chip, single lane PCI Express offers increased performance, for up to 48% less cpu load
* Data transfer rates of up to 460 Kbps for efficient serial device performance
* Pre-configured for standard profile systems but includes a low profile bracket for versatility

StarTech.com PEX4S952, PCIe, Serial, RS-232, Black, 87600 h, CE, FCC, TAA

StarTech.com PEX4S952. Host interface: PCIe, Output interface: Serial, Serial interface type: RS-232. Product color: Black, Mean time between failures (MTBF): 87600 h, Certification: CE, FCC, TAA. Chipset: PLX/Oxford - OXPCIe954, Baud rate: 460,8 Kbit/s, FIFO (First In, First Out): 128 B. Windows operating systems supported: Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64,..., Server operating systems supported: Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows.... Width: 65 mm, Depth: 90 mm, Height: 20 mm