StarTech.com 4 Port PCI Express PCIe Serial Combo Card with Breakout Cable - 2 x RS232 2 x RS422 / RS485 - Dual Profile , TAA (PEX4S232485) ^Sale

Add two RS232 and two RS422/485 serial ports to your PC through a PCI-Express expansion slot
• 4 Port PCI Express PCIe Serial Combo Card
• 4 port (2 x RS232, 2 x RS422/485) serial combo card
• PCI Express RS485 / PCIe RS485 / PCI Express RS422 / PCIe RS422 serial combo card
• Dual Profile PCIe serial card adapter with breakout cable
• This single PCI Express combo card is compatible with any serial device protocol (RS232, RS422, and RS485), allowing for communication with multiple devices over mixed protocols
• Includes both low profile/half-height and full profile brackets to ensure fitment into a broad range of system form factors
• The included breakout cable saves expense as an all-in-one solution, and allows the addition of multiple serial ports through a single PCI Express slot
• 4 port (2 x RS232, 2 x RS422/485) serial combo card
• RS232 data transfer rates up to 460 Kbps
• Supports 2-Wire / 4-Wire RS485 modes
• 256-byte deep FIFO per transmitter and receiver
• Standard and low-profile bracket included