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Why you should buy from ByteRunner Technologies.

Get Connected! Please Browse our Store Catagories Below...

ATA Controller Cards (PCI-bus)


ATA / SATA PCI Express Cards


Bluetooth Headsets


Cables (Ethernet, Firewire, Parallel, PS/2, Serial, USB, HDMI & VGA) and Power Adapters


Distinctive Ring Routers


Docking Stations


Ethernet to Fiber-Optic Network converters/Ethernet Media Converters


Ethernet PCI-bus cards


Ethernet PCMCIA-bus cards (For notebook computers)


Ethernet Serial Device Servers


External USB/Firewire Drive Enclosures


Infrared Adapters


KVM Switches


PCI to PCMCIA (CardBus) Card Readers


SATA cards (PCMCIA-bus - For notebook computers)


Serial & Parallel Cards (ISA-bus & PCI-bus)


Serial & Parallel Cards (ExpressCards - For notebook computers)


Serial & Parallel Cards (PCMCIA-bus - For notebook computers)


USB to Audio Adapters


USB Bluetooth Dongles


USB Card Readers/Writers


USB & Firewire cards (PCI-bus)


USB & Firewire cards (PCMCIA-bus - For notebook computers)


USB & Firewire HUBs


USB to IDE / SATA Adapters


USB to Network Adapters


USB to Parallel Adapters


USB to PS/2 Adapter


USB Repeater Cables and USB Extenders


USB to Serial Adapters (RS232, RS422, RS485)


USB Share Switches


USB 2.0 Video Adapters


Video Splitters

Get Connected! Please Browse our Store Catagories Above...

4 Serial

4 serial port ISA-bus card
4 serial, 2 parallel ISA-bus card
TC-400-550
4 serial port (2 9-pin & 2 25-pin) ISA-bus card. (16550 UARTs with 16-byte FIFOs. Good for speeds up to 115,200 bps.)
(This item has been discontinued.)

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Quantity1+3+10+50+100+
Price$38.00$37.00$36.00$35.00$34.00

Quantity Desired:

TC-420
4 serial ports (3 9-pin, 1 25-pin), 2 parallel ports ISA-bus card. (16550 UARTs with 16-byte FIFOs on the serial ports. Good for speeds up to 115,200 bps. The parallel ports are bi-directional.)

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Quantity1+3+10+50+100+
Price$55.00$52.00$51.00$50.00$49.00

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4 serial port PCI-bus card (9-pin)
4 serial port PCI-bus card (25-pin)
PCI-400HS-9
4 serial port PCI-bus card with 9-pin spider cable. (16950 UARTs with 128-byte FIFOs. Good for speeds up to 921,600 bps.) (VScom brand)

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Quantity1+3+10+50+100+
Price$79.00$75.00$72.00$70.00$68.00

Quantity Desired:

PCI-400HS-25
4 serial port PCI-bus card with 25-pin spider cable. (16950 UARTs with 128-byte FIFOs. Good for speeds up to 921,600 bps.) (VScom brand)

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Quantity1+3+10+50+100+
Price$79.00$75.00$72.00$70.00$68.00

Quantity Desired:

4 serial port PCI-bus card (9-pin COM-BOX)
PCI-400HS-CB
4 serial port PCI-bus card with 9-pin COM-BOX. (16950 UARTs with 128-byte FIFOs. Good for speeds up to 921,600 bps.) (VScom brand)

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Quantity1+3+10+50+100+
Price$114.00$110.00$107.00$105.00$103.00

Quantity Desired:

CP4S
4 serial port PCI-bus card with 9-pin connectors (2 on the back of the card, and 2 on a dongle). (16550 UARTs with 16-byte FIFOs. Good for speeds up to 115,200 bps.) (RedChief brand)

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Quantity1+3+10+50+100+
Price$49.00$45.00$42.00$40.00$38.00

Quantity Desired:

4 serial port PCI-bus card
4 serial, 1 parallel PCI-bus card (9-pin serial)
PCI-400H
4 serial port PCI-bus card with 9-pin connectors (2 on the back of the card, and 2 on a dongle). (16950 UARTs with 128-byte FIFOs. Good for speeds up to 921,600 bps.) (VScom brand)

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Quantity1+3+10+50+100+
Price$79.00$75.00$72.00$70.00$68.00

Quantity Desired:

PCI-410HSP-9
4 serial port, 1 parallel port PCI-bus card with 9-pin serial spider cable. (16950 UARTs with 128-byte FIFOs on the serial ports. Good for speeds up to 921,600 bps. The parallel port supports bi-directional/EPP/ECP modes.)

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Quantity1+3+10+50+100+
Price$84.00$79.00$76.00$74.00$72.00

Quantity Desired:

4 serial, 1 parallel PCI-bus card (25-pin serial)
4 serial, 1 parallel PCI-bus card (9-pin COM-BOX)
PCI-410HSP-25
4 serial port, 1 parallel port PCI-bus card with 25-pin serial spider cable. (16550 UARTs with 16-byte FIFOs on the serial ports. Good for speeds up to 115,200 bps. The parallel port supports bi-directional/EPP/ECP modes.)

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Quantity1+3+10+50+100+
Price$84.00$79.00$76.00$74.00$72.00

Quantity Desired:

PCI-410HSP-CB
4 serial port, 1 parallel port PCI-bus card with 9-pin serial COM-BOX. (16950 UARTs with 128-byte FIFOs on the serial ports. Good for speeds up to 921,600 bps. The parallel port supports bi-directional/EPP/ECP modes.)

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Quantity1+3+10+50+100+
Price$119.00$114.00$111.00$109.00$107.00

Quantity Desired:

4-port serial card (PCI-bus) with RJ-45 connectors.  Comes with RJ-45 to 9-pin male serial cables.
USB to 4-port serial adapter (120V version)
PCI-400H-RJ-9
4 serial port PCI-bus card with RJ-45 connectors. Comes with RJ-45 to 9-pin cables. (16950 UARTs with 128-byte FIFOs. Good for speeds up to 921,600 bps.) (VScom brand)

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Quantity1+3+10+50+100+
Price$92.00$88.00$85.00$83.00$81.00

Quantity Desired:

USB-4COM-120V (120 volt, 60 hz version)
USB to 4 Port Serial Adapter (RS-232). Provides transmit & receive lights. Comes with a USB cable of approximately 3 feet. FTDI chipset.

*** 120V, 60 Hz version. *** To view the type of power connector that comes with this item, and what countries it is compatible with, Click here.

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Quantity1+3+10+50+100+
Price$95.00$92.00$90.00$88.00$86.00

Quantity Desired:

USB to 4-port serial adapter (230V version)
USB to 4-port serial adapter
USB-4COM-230V (230 volt, 50 hz version)
USB to 4 Port Serial Adapter (RS-232). Provides transmit & receive lights. Comes with a USB cable of approximately 3 feet. FTDI chipset.

*** 230V, 50 Hz version (type 1). *** To view the type of power connector that comes with this item, and what countries it is compatible with, Click here.

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Quantity1+3+10+50+100+
Price$95.00$92.00$90.00$88.00$86.00

Quantity Desired:

PL-4COM
USB to 4 Port Serial Adapter (RS-232). Comes with a USB cable of approximately 3 feet. Prolific chipset.

*** No power adapter needed, runs off USB power. ***

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Quantity1+3+10+50+100+
Price$79.00$77.00$75.00$73.00$71.00

Quantity Desired:

USB to single serial port adapter (RS422/485, 9-pin)
4-port serial card (PCI-bus) with RJ-45 connectors.  Comes with RJ-45 to 25-pin male serial cables.
USB-COMi
USB to Single Port Serial Adapter (RS422/RS485). Supports RS-422 Full Duplex and RS-485 Half Duplex modes. Comes with a USB cable of approximately 3 feet. FTDI chipset.
(This item is currently out of stock. If it is ordered, it will be back-ordered until about March 10th.)

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Quantity1+3+10+50+100+
Price$49.00$46.00$45.00$44.00$43.00

Quantity Desired:

PCI-400H-RJ-25
4 serial port PCI-bus card with RJ-45 connectors. Comes with RJ-45 to 25-pin cables. (16950 UARTs with 128-byte FIFOs. Good for speeds up to 921,600 bps.) (VScom brand)

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Quantity1+3+10+50+100+
Price$92.00$88.00$85.00$83.00$81.00

Quantity Desired:

USB to 2 serial port (RS422/485) adapter.  Surge protected & optically isolated.  120V version
USB to single serial port (RS422/485) adapter.  Surge protected & optically isolated.
USB-2COMi-SI-120V (120 volt, 60 hz version)
USB to 2-port Port Serial Adapter (RS422/RS485). Provides surge protection and optical isolation. Comes with a USB cable of approximately 3 feet. FTDI chipset. ** 120V, 60 hz version **

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Quantity1+3+10+
Price$99.00$96.00$95.00

Quantity Desired:

USB-COMi-SI
USB to Single Port Serial Adapter (RS422/RS485). Supports RS-422 Full Duplex and RS-485 Half Duplex modes. Provides surge protection and optical isolation. Comes with a USB cable of approximately 3 feet. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$88.00$82.00$78.00$75.00$72.00

Quantity Desired:

USB to 2 serial port (RS422/485) adapter.  Surge protected & optically isolated.  230V version
USB to 2 serial port (RS422/485) adapter.  Surge protected & optically isolated.  230V version
USB-2COMi-SI-230V (230 volt, 50 hz version)
USB to 2-port Port Serial Adapter (RS422/RS485). Provides surge protection and optical isolation. Comes with a USB cable of approximately 3 feet. FTDI chipset. ** 230V, 50 hz version **

More Information

Quantity1+3+10+
Price$99.00$96.00$95.00

Quantity Desired:

USB-2COMi-SI-230V2 (230 volt, 50 hz version)
USB to 2-port Port Serial Adapter (RS422/RS485). Provides surge protection and optical isolation. Comes with a USB cable of approximately 3 feet. FTDI chipset. ** 230V, 50 hz version **

More Information

Quantity1+3+10+
Price$99.00$96.00$95.00

Quantity Desired:

4-port serial card with RJ-45 connectors.  (comes with no cables)
4-port serial card (PCI-bus, low-profile)
PCI-400H-RJ-NC
4 serial port PCI-bus card with RJ-45 connectors. Does not come with any cables. (16950 UARTs with 128-byte FIFOs. Good for speeds up to 921,600 bps.) (VScom brand)

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Quantity1+3+10+50+100+
Price$89.00$85.00$82.00$80.00$79.00

Quantity Desired:

PCI-400LP
4 serial port PCI-bus card with 9-pin spider cable. Low-profile model for low-profile systems. (16950 UARTs with 128-byte FIFOs. Good for speeds up to 921,600 bps.) (VScom brand)

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Quantity1+3+10+50+100+
Price$85.00$81.00$78.00$76.00$74.00

Quantity Desired:

2 serial RS232/RS422/RS485 serial card (PCI-bus)
PCI-200L-i
2 9-pin RS232/422/485 serial ports PCI-bus card. (16550 UARTs with 16-byte FIFOs.)

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Quantity1+3+10+50+100+
Price$89.00$79.00$75.00$72.00$70.00

Quantity Desired:

PCI-400-i
4 serial port PCI-bus card with 9-pin spider cable. (16550 UARTs with 16-byte FIFOs.)

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Quantity1+3+10+50+100+
Price$179.00$169.00$159.00$149.00$139.00

Quantity Desired:

2 serial RS232/RS422/RS485 serial card (PCI-bus) with optical isolation & surge protection.
USB to serial port adapter (RS232/RS422/RS485), metal housing, surge prot
PCI-200L-i-SI
2 9-pin RS232/422/485 serial ports PCI-bus card. (16550 UARTs with 16-byte FIFOs.) Provides optical isolation and surge protection.

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Quantity1+3+10+50+100+
Price$129.00$119.00$115.00$112.00$110.00

Quantity Desired:

USB-COMi-SI-M
USB to Single Port Serial Adapter (RS422/RS485). Supports RS-422 Full Duplex, RS-485 Half Duplex and RS-485 Full Duplex modes. Provides surge protection and opitcal isolation. Metal housing. Comes with a USB cable of approximately 3 feet. FTDI chipset.

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Quantity1+3+10+50+100+
Price$98.00$92.00$88.00$85.00$82.00

Quantity Desired:

USB to 8 serial port adapter (RS232/422/485, 120V)
USB to 16 serial port adapter
USB-8COMi-RM-120V (120 volt power cord version)
USB to 8 Port Serial Adapter (RS232/RS422/RS485). Comes with a USB cable of approximately 3 feet. FTDI chipset.

*** 120V, 60 Hz version. ***

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Quantity1+3+10+50+100+
Price$315.00$309.00$304.00$299.00$295.00

Quantity Desired:

USB-16COM-RM
USB to 16 Port Serial Adapter (RS-232). Comes with a USB cable of approximately 3 feet. FTDI chipset.

*** 120V, 60 Hz version. ***

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Quantity1+3+10+50+100+
Price$375.00$365.00$355.00$348.00$344.00

Quantity Desired:

USB serial adapter (RS232/RS422/RS485), metal housing
USB to 4 serial port adapter (RS422/485, 120V)
USB-COMi-M
USB to Single Port Serial Adapter (RS232/RS422/RS485). Supports RS-232, RS-422 Full Duplex, RS-485 Half Duplex and RS-485 Full Duplex modes. Metal housing. Comes with a USB cable of approximately 3 feet. FTDI chipset.

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Quantity1+3+10+50+100+
Price$59.00$56.00$55.00$54.00$53.00

Quantity Desired:

USB-4COMi-SI-M-120V (120 volt version, 60 hz)
USB to 4-port Port Serial Adapter (RS422/RS485). Provides surge protection and optical isolation. Comes with a USB cable of approximately 3 feet. FTDI chipset. ** 120V, 60 hz version **

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Quantity1+3+10+50+100+
Price$289.00$284.00$279.00$275.00$269.00

Quantity Desired:

USB to 16 serial port adapter (Black version)
USB to 8 serial port adapter (RS232/422/485, 230V)
USB-16COM-RM-B
USB to 16 Port Serial Adapter (RS-232). Comes with a USB cable of approximately 3 feet. FTDI chipset.

*** 230V, 50 Hz version. ***

More Information

Quantity1+3+10+50+100+
Price$378.00$368.00$358.00$351.00$347.00

Quantity Desired:

USB-8COMi-RM-230V (230 volt power cord version)
USB to 8 Port Serial Adapter (RS232/RS422/RS485). Comes with a USB cable of approximately 3 feet. FTDI chipset.

*** 230V, 50 Hz version. ***

More Information

Quantity1+3+10+50+100+
Price$315.00$309.00$304.00$299.00$295.00

Quantity Desired:

USB to 4 serial port adapter (RS422/485, 230V)
USB-4COMi-SI-M-230V (230 volt version, 50 hz)
USB to 4-port Port Serial Adapter (RS422/RS485). Provides surge protection and optical isolation. Comes with a USB cable of approximately 3 feet. FTDI chipset. ** 230V, 50 hz version **

More Information

Quantity1+3+10+50+100+
Price$289.00$284.00$279.00$275.00$269.00

Quantity Desired:

USB2-4COM-M
USB to 4 Port Serial Adapter (RS-232). Comes with a USB cable of approximately 3 feet. FTDI chipset.

*** No power adapter needed, runs off USB power. ***

More Information

Quantity1+3+10+50+100+
Price$109.00$105.00$102.00$99.00$97.00

Quantity Desired:

USB to 4 serial port adapter (RS232/422/485), software settable
USB to 4 serial port adapter, metal (RS422/485, 120V)
USB-4COMi-PRO
USB to 4-port Port Serial Adapter (RS232/RS422/RS485). Comes with a USB cable of approximately 3 feet. FTDI chipset.

More Information

Quantity1+3+10+50+100+
Price$279.00$274.00$269.00$265.00$261.00

Quantity Desired:

USB-4COMi-M-120V (120 volt version, 60 hz)
USB to 4-port Port Serial Adapter (RS422/RS485). (Metal) Comes with a USB cable of approximately 3 feet. FTDI chipset. ** 120V, 60 hz version **

More Information

Quantity1+3+10+50+100+
Price$145.00$140.00$135.00$133.00$132.00

Quantity Desired:

USB to 2 serial port adapter, metal (RS422/485, 120V)
USB-2COMi-M


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Quantity1+3+10+50+100+
Price$115.00$112.00$110.00$108.00$106.00

Quantity Desired:

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