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    Best Seller
    StarTech ICUSB234858I USB to RS-232/422/485 Serial Adapter - 8 Port - Industrial - 15 kV ESD Protection - USB to Serial Adapter - USB to Serial Hub

    StarTech ICUSB234858I USB to RS-232/422/485 Serial Adapter - 8 Port - Industrial - 15 kV ESD Protection - USB to Serial Adapter - USB to Serial Hub

    Add extra COM ports to your laptop or desktop computer quickly and easily. This USB to RS232/422/485 serial adapter lets you connect to your serial devices through an external USB port. Supports multiple serial protocols The versatile serial adapter... more

    $455.89

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    StarTech.com 1-port PCI Express RS232 Serial Adapter Card PCIe Serial DB9 Controller Card 16550 UART Low Profile Windows/Linux

    StarTech.com 1-port PCI Express RS232 Serial Adapter Card PCIe Serial DB9 Controller Card 16550 UART Low Profile Windows/Linux

    The PEX1S553LP PCI Express Serial Card turns a PCI Express slot into an RS232 (DB9) serial connection. The card is constructed using a native single chip design that lets you harness the full capability offered by PCI Express (PCIe) while reducing the... more

    $236.00 $38.99

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    Best Seller
    StarTech.com 4 Port PCI Express RS232 Serial Adapter Card - Single-Lane PCI Express - Breakout Cable - RS232 Extension - PCIe Serial Card

    StarTech.com 4 Port PCI Express RS232 Serial Adapter Card - Single-Lane PCI Express - Breakout Cable - RS232 Extension - PCIe Serial Card

    The PEX4S553B 4-Port PCI Express Serial Card (with breakout cable) lets you add 4 RS232 serial ports using a single PCIe expansion slot with an included 1-to-4 cable enabling you to add 4 serial ports to a single low profile slot. The serial card... more

    $98.91

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    StarTech RS422 RS485 Serial DB9 to Terminal Block Adapter DB92422

    StarTech RS422 RS485 Serial DB9 to Terminal Block Adapter DB92422

    StarTech RS422 RS485 Serial DB9 to Terminal Block Adapter Convert DB9 Male to 5-Pin Terminal Block, Supports 4-Wire RS-422 RS-485 Modes, Supports 2-Wire RS-485 Mode, Supports 3.5mm 5-Pin Terminal Block CABLES ACC-Video Connectors more

    $14.98

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    StarTech.com ICUSB232INT1 Motherboard Serial Port - Internal - 1 Port - Bus Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter

    StarTech.com ICUSB232INT1 Motherboard Serial Port - Internal - 1 Port - Bus Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter

    Motherboard USB Header to Serial Adapter The ICUSB232INT1 USB to RS232 Serial Adapter lets you add an RS232 port to any desktop system that is equipped with an available USB motherboard header. SHIP ONLY more

    $40.93 $34.49

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    StarTech.com Motherboard Serial Port Internal 2 Port Bus Powered FTDI USB to Serial Adapter USB to RS232 Adapter

    StarTech.com Motherboard Serial Port Internal 2 Port Bus Powered FTDI USB to Serial Adapter USB to RS232 Adapter

    Add two RS232 serial ports to any system with an available USB motherboard header. The ICUSB232INT2 USB to Serial Adapter lets you add 2 RS232 ports to any desktop system that is equipped with an available USB motherboard header. Unlike standard USB to... more

    $64.10

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    StarTech.com 8 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub

    StarTech.com 8 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub

    Upgrade your network system with the StarTech 8 Port USB to Serial RS232. The hub converts a single USB port into eight RS232 serial ports enabling you to connect to monitor and control your serial devices. The StarTech hub features a rugged metal... more

    $245.99 $188.15

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    StarTech 4 Port PCIe Serial Adapter Card with 16550 (PEX4S553)

    StarTech 4 Port PCIe Serial Adapter Card with 16550 (PEX4S553)

    The PEX4S553 4-Port Native PCI Express RS232 Serial Adapter Card with 16550 UART 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... more

    $78.99 $59.09

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    StarTech.com 4 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub

    StarTech.com 4 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub

    This industrial 4 port USB to serial RS232 adapter with DIN rail clips converts a single USB port into four RS232 serial ports enabling you to connect to monitor and control your serial devices. Built for Industrial Environments Featuring rugged metal... more

    $111.71

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