Low Profile Serial Card Full Profile Brackets Incl 921.4Kbps Windows and Linux . Add eight RS-232 DB9 serial ports to your desktop computer, through two PCIe expansion card slots. This PCI express serial card, with two breakout cables, provides you with multiple ports to connect a wide variety of serial peripherals, at speeds of up to 921.4Kbps.Connect your Peripherals with 8 Serial PortsThe PCI express serial port card makes it easy to add serial ports to connect your peripherals including printers, scanners, credit/debit card readers, PIN pads and modems, industrial controls and more. The 8 port PCIe serial card includes 2 breakout cables - each with 4 DB9 connectors.Versatile UseThe low profile PCIe serial card is the ideal choice for adding serial ports, even when space is at a premium. The DB9 serial card is designed to fit into small form factor and standard computer cases. The card comes pre-configured with a low-profile bracket, and includes two optional full-profile brackets, so installation is easy regardless of the case form factor.Maximum CompatibilityWith broad OS support, including for Windows and Linux, this PCI Express card is easy to integrate into mixed environments.PEX8S1050LP is backed by a StarTech.com lifetime warranty and free lifetime technical support.