here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
Instrument (Professional) Cables
I'm Celeste, Newegg's tech expert! Need help with "desktop computer"?
PCIe to Dual RS232 Serial Port Card with DB9 Connectors - 2-Port COM Expansion Card for Industrial PCs, Desktop Computers, and 9-Pin Multi-Serial Adapter
Limited time offer, ends 10/18
$37.99
Free Shipping
PCIe to Dual RS232 Serial Port Card with DB9 Connectors - 2-Port COM Expansion Card for Industrial PCs, Desktop Computers, and 9-Pin Multi-Serial Adapter
Limited time offer, ends 10/18
$36.10
Free Shipping