Add-on Cards

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Explore Coolgear’s extensive range of add-on cards, designed to expand the functionality of your computer systems with versatile connectivity options. Ideal for upgrading desktop PCs and servers, these add-on cards offer solutions such as USB expansion, serial communication, networking, and more. Coolgear’s add-on cards are available in various configurations to suit different needs, from USB hubs and Ethernet adapters to serial communication cards supporting RS232, RS422, and RS485 standards. With easy installation and reliable performance, Coolgear ensures seamless integration and enhanced capabilities for your computing environments. Choose Coolgear for high-quality add-on cards that expand connectivity and functionality in your systems.

Out of stock
PCI Express Card 1 Port RS422/RS485 PCI Express Card provides electrical protection for your serial devices. It maintains a scalable, high-speed serial I/O bus interface.…

Model# SG-PCIE1S422485IS

$126.95

Out of Stock

PCI Express Adapter The SG-PCIE8SRS422485MODIS Isolated 8 Port PCI Express Module provides instant RS232, RS422, and RS485 serial port expansion via the PCI Express bus to…

Model# SG-PCIE8SRS422485MODIS

$659.95

In stock

Out of stock
PCI RS232 - RS485 - RS422 Terminal Block The SG-PCIE8SRS422485MOD 8-port RS232 /422 /485 to PCI Express Module Box provides a highly scalable serial interface that…

Model# SG-PCIE8SRS422485MOD

$412.95

Out of Stock