Add two RS232 and two RS422/485 serial ports to your PC through a PCI-Express expansion slot. This 4 port PCI Express serial combo card lets you add serial ports to your PC through a PCI-Express expansion slot. The serial card is a single card solution compatible with nearly any serial communication protocol, supporting RS-232, RS-422, RS-485 2-wire or RS-485 4-wire operating modes. A flexible solution for adding serial ports to full-sized or small form factor systems, the serial card includes both low and full profile brackets while the included breakout cable helps to avoid cluttered connections. Backed by a lifetime warranty and free lifetime technical support. 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. The card includes both low profile 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.

Host interface: PCIe; Output interface: Serial; Serial ports quantity: 4; Serial interface type: RS-232/422/485; Internal: Yes; Chipset: SystemBase SB16C1052PCI; FIFO (First In, First Out): 256 B; Operating temperature (T-T): 0 - 100 °C; Storage temperature (T-T): 0 - 150 °C; Operating relative humidity (H-H): 20 - 80%; Windows operating systems supported: Windows 2000, Windows 2000 Professional, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64; Linux operating systems supported: Yes; Compliance certificates: RoHS; Width: 125 mm; Depth: 70 mm; Height: 20 mm; Weight: 67.4 g; User guide: Yes; Package width: 146 mm; Package depth: 210 mm; Package height: 41 mm; Package weight: 390 g; Harmonized System (HS) code: 84733020; Data transfer rate: 0.4608 Mbit/s; Connectivity technology: Wired

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