Serial Boards

Serial boards are hardware devices that can be used to add serial port connectivity (a type of connection on computers used for peripherals such as older printers and gaming controllers) to your computer or server. They offer a direct connection between your computer and any device that uses one of the serial data transmission standards such as RS232 and RS485. Most serial boards can slot into the back of your desktop.

What are serial boards used for?

Some serial boards provide connectivity to independent serial channels while others can give multiple connections. A single serial board, for example, can use a serial cable to give up to eight RS232 (DB9) serial connections. Serial boards are designed for time-sensitive and industrial applications including:

  • Court reporting
  • Automotive diagnostics
  • Security
  • Point of Sale (PoS) systems
  • Industrial automation
  • Heating Ventilation and Air Conditioning (HVAC)
  • Factory control

Types of serial boards

Serial boards come in a broad range of options, from the shape of the connectors to the type of interface. Some of the types include:

  • PCIe RS232 Serial Boards
  • PCI RS232 Boards
  • Express Card RS232 Serial Boards
  • Interface PCI LPT, RS232 Boards
  • PCI RS422, RS485 Boards

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Description Price Bus Type Communication Interface Number of Ports Connection Port Maximum Baud Rate FIFO Size
RS Stock No. 616-1892
BrandRS PRO
$34.20
Each
units
PCI Serial 2 RS232 - -
RS Stock No. 389-586
Mfr. Part No.PX-101
BrandBrainboxes
$315.98
Each
units
PCIe Serial 2 RS232 921.6kbit/s 128 B
RS Stock No. 668-5499
Mfr. Part No.PX-324
BrandBrainboxes
$222.05
Each
units
PCIe Serial 1 RS422, RS485 921.6kbit/s 128 B
RS Stock No. 481-1258
Mfr. Part No.UC-324
BrandBrainboxes
$156.70
Each
units
PCI Serial 1 - 921.6kbit/s 128 B
RS Stock No. 481-1264
Mfr. Part No.UC-313
BrandBrainboxes
$138.53
Each
units
PCI Serial 2 RS232 921.6kbit/s 128 B
RS Stock No. 898-8560
Mfr. Part No.PEX8S952
BrandStartech
$418.85
Each
units
PCIe Serial 8 RS232 460.8kbit/s 128 B
RS Stock No. 481-1696
Mfr. Part No.UC-320
BrandBrainboxes
$156.70
Each
units
PCI Serial 1 RS422, RS485 921.6kbit/s 128 B
RS Stock No. 668-5480
Mfr. Part No.PX-320
BrandBrainboxes
$227.43
Each
units
PCIe Serial 1 RS422, RS485 921.6kbit/s 128 B
RS Stock No. 389-580
Mfr. Part No.PX-246
BrandBrainboxes
$222.96
Each
units
PCIe Serial 1 RS232 921.6kbit/s 128 B
RS Stock No. 898-8554
Mfr. Part No.PEX4S553B
BrandStartech
$230.74
Each
units
PCIe Serial 4 RS232 230.4kbit/s 256 B
RS Stock No. 389-570
Mfr. Part No.PX-279
BrandBrainboxes
$1,267.12
Each
units
PCIe Serial 8 RS232 921.6kbit/s 32 B
RS Stock No. 481-1719
Mfr. Part No.UC-146
BrandBrainboxes
$190.79
Each
units
PCI Parallel 2 LPT 115.2kbit/s 16 B
RS Stock No. 668-5506
Mfr. Part No.ES-357
BrandBrainboxes
$356.95
Each
units
- Serial 2 RS232, RS422, RS485 230.4kbit/s 256 (Transmitter) B, 32 (Receiver) B
RS Stock No. 742-4419
Mfr. Part No.PX-368
BrandBrainboxes
$744.88
Each
units
PCIe Serial - RS422, RS485 - -
RS Stock No. 481-1185
Mfr. Part No.UC-420
BrandBrainboxes
$700.77
Each
units
PCI Serial 4 RS232 115.2kbit/s 64 B
RS Stock No. 389-568
Mfr. Part No.PX-260
BrandBrainboxes
$981.08
Each
units
PCIe Serial 4 RS232 921.6kbit/s 128 B
RS Stock No. 138-3560
Mfr. Part No.PEX1PLP
BrandStartech
$88.58
Each
units
PCIe Parallel 1 LPT 2.5Mbit/s -
RS Stock No. 898-8541
Mfr. Part No.PEX2S952
BrandStartech
$88.25
Each
units
PCIe Serial 2 RS232 460.8kbit/s 128 B
RS Stock No. 138-3559
Mfr. Part No.PEX1P
BrandStartech
$73.78
Each
units
PCIe Parallel 1 LPT 2.5Mbit/s -
RS Stock No. 481-1113
Mfr. Part No.UC-246
BrandBrainboxes
$156.75
Each
units
PCI Serial 1 RS232 115.2kbit/s 128 B
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