The PEX4S553 4-Port Native PCI Express RS232 Serial Adapter Card with 16550 UART from StarTech.com lets you add 4 RS232 (DB9) serial ports, using a single PCI Express expansion slot. Based on a native single-chip design, this 4-port serial adapter card allows you to harness the full capability offered by PCI Express (PCIe), while reducing the load applied to the CPU. The RS232 Serial Adapter Card includes 4 half-height/ low-profile brackets, allowing the card to be installed into almost any PC case, regardless of form factor. Device Type: Serial adapter Form Factor: Plug-in card Interface (Bus) Type: PCI Express 1.1 x1 Dimensions (WxDxH): 0.7 in x 5.1 in x 4.7 in Weight: 2.82 oz Ports Qty: 4 ports Data Link Protocol: RS-232 Data Transfer Rate: 128 Kbps Processor: 1 x MCS9904CV-AA - MosChip Semiconductor System Requirements: Linux, Microsoft Windows Server 2008 R2, Microsoft Windows Vista (32/64 bits), Microsoft Windows 7 (32/64 bits), Microsoft Windows XP (32/64 bits), Microsoft Windows Server 2003 (32/64-bits), Windows 8 (32/64 bits), Windows 10 (32/64 bits) Manufacturer Warranty: Limited lifetime warranty Device Type: Serial adapter - 4 ports Form Factor: Plug-in card Interface (Bus) Type: PCI Express 1.1 x1 Connectivity Technology: Wired Data Link Protocol: RS-232 Data Transfer Rate: 128 Kbps Processor: 1 x MCS9904CV-AA - MosChip Semiconductor Interfaces: 2 x RS-232 - 9 pin D-Sub (DB-9) 2 x RS-232 - 9 pin D-Sub (DB-9) ( on bracket ) Compatible Slots: 1 x PCI Express 1.1 x1 Included Accessories: 4 x low-profile bracket Compliant Standards: FCC, RoHS OS Required: Linux, Microsoft Windows Server 2008 R2, Microsoft Windows Vista (32/64 bits), Microsoft Windows 7 (32/64 bits), Microsoft Windows XP (32/64 bits), Microsoft Windows Server 2003 (32/64-bits), Windows 8 (32/64 bits), Windows 10 (32/64 bits) Width: 0.7 in Depth: 5.1 in Height: 4.7 in Weight: 2.82 oz Service & Support: Limited warranty - lifetime Min Operating Temperature: 32 °F Max Operating Temperature: 122 °F Humidity Range Operating: 5 - 85%
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