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
$39.01
Each
units
PCI Serial 2 RS232 - -
RS Stock No. 668-5506
Mfr. Part No.ES-357
BrandBrainboxes
$335.06
Each
units
- Serial 2 RS232, RS422, RS485 230.4kbit/s 256 (Transmitter) B, 32 (Receiver) B
RS Stock No. 481-1264
Mfr. Part No.UC-313
BrandBrainboxes
$125.94
Each
units
PCI Serial 2 RS232 921.6kbit/s 128 B
RS Stock No. 898-8576
Mfr. Part No.PCI2S550
BrandStartech
$67.87
Each
units
PCI Serial 2 RS232 115.2kbit/s 16 B
RS Stock No. 898-8557
Mfr. Part No.PEX2S5531P
BrandStartech
$72.41
Each
units
PCIe Parallel, Serial 2 LPT, RS232 460.8kbit/s 128 B
RS Stock No. 898-8560
Mfr. Part No.PEX8S952
BrandStartech
$410.35
Each
units
PCIe Serial 8 RS232 460.8kbit/s 128 B
RS Stock No. 898-8541
Mfr. Part No.PEX2S952
BrandStartech
$93.41
Each
units
PCIe Serial 2 RS232 460.8kbit/s 128 B
RS Stock No. 668-5492
Mfr. Part No.PX-335
BrandBrainboxes
$689.18
Each
units
PCIe Serial 4 RS422, RS485 921.6kbit/s 128 B
RS Stock No. 442-615
BrandRoline
$55.83
Each
units
ExpressCard Serial 1 RS232 - -
RS Stock No. 742-4419
Mfr. Part No.PX-368
BrandBrainboxes
$530.77
Each
units
PCIe Serial - RS422, RS485 - -
RS Stock No. 481-1696
Mfr. Part No.UC-320
BrandBrainboxes
$119.03
Each
units
PCI Serial 1 RS422, RS485 921.6kbit/s 128 B
RS Stock No. 898-8551
Mfr. Part No.PEX8S950LP
BrandStartech
$410.35
Each
units
PCIe Serial 8 RS232 921.6kbit/s 128 B
RS Stock No. 481-1668
Mfr. Part No.UC-275
BrandBrainboxes
$1,151.93
Each
units
PCI Serial 8 RS232 115.2kbit/s 32 B
RS Stock No. 481-1270
Mfr. Part No.UC-346
BrandBrainboxes
$431.82
Each
units
PCI Serial 4 RS422, RS485 921.6kbit/s 128 B
RS Stock No. 898-8548
Mfr. Part No.PEX1S553LP
BrandStartech
$101.70
Each
units
PCIe Serial 1 RS232 460.8kbit/s 128 B
RS Stock No. 357-5535
Mfr. Part No.CC-525
BrandBrainboxes
$386.82
Each
units
PCI Serial 2 RS422, RS485 15Mbit/s 128 B
RS Stock No. 481-1113
Mfr. Part No.UC-246
BrandBrainboxes
$107.94
Each
units
PCI Serial 1 RS232 115.2kbit/s 128 B
RS Stock No. 668-5480
Mfr. Part No.PX-320
BrandBrainboxes
$152.93
Each
units
PCIe Serial 1 RS422, RS485 921.6kbit/s 128 B
RS Stock No. 481-1703
Mfr. Part No.UC-101
BrandBrainboxes
$152.93
Each
units
PCI Serial 2 RS232 115.2kbit/s 128 B
RS Stock No. 389-570
Mfr. Part No.PX-279
BrandBrainboxes
$1,151.93
Each
units
PCIe Serial 8 RS232 921.6kbit/s 32 B
Related Products
ExpressCard serial card provides 1 RS232 serial port. ...
Description:
ExpressCard serial card provides 1 RS232 serial port. The serial card is 34mm wide and has data transfer rates up to 921,600 baud rates. 128 byte deep transmit and 256 byte received FIFOS, coupled with 1Mbit/s line drivers, to deliver ...
The PEX1P PCIe Parallel Adapter card can be ...
Description:
The PEX1P PCIe Parallel Adapter card can be installed in a PCI Express (PCIe) slot, allowing you to connect EPP/ECP parallel peripherals to any computer system. Relying on a native single-chip design(Oxford OXPCIe952), this adapter harnesses the true capability of ...
The PEX1PLP PCIe Parallel Adapter card can be ...
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The PEX1PLP PCIe Parallel Adapter card can be installed in a PCI Express (PCIe) x1 slot, allowing you to connect EPP/ECP parallel peripherals to any computer, while relying on a native, single-chip design (Oxford OXPCIe952) that harnesses the capability of ...
Universal PCI Serial card provides two isolated RS422/485 ...
Description:
Universal PCI Serial card provides two isolated RS422/485 serial ports with transient spike protection. Data transfer rates up to 921,600 baud rates, 128 byte deep transmit and 128 byte receive FIFOs, coupled with 1Mbit/s line drivers deliver uncompromising performance on ...