4-port RS-232/422/485 PCI Communication Card w/Surge & Isolation. Universal PCI v2.2. 4 x RS-232 or RS- 232/422/485 ports.
eBay
eBay
The IS-400 Intashield 4 Port RS232 PCI Card is a wired interface card designed to expand the number of RS232 ports available on a computer. With its model name IS-400, this PCI card allows for easy integration into a system to provide additional communication capabilities. Ideal for businesses or individuals requiring multiple RS232 connections, this product offers a reliable solution for increasing the connectivity options of a computer setup. it's used may have sign of scratches on it but it not effected on its work. condition as you seen in pictures is actually same.
eBay
eBay
Manufacturer Product Type Startech Other Interface/Add-On Cards. The 2-port PCIe serial card is ideal for system upgrades in a wide. Host interface PCIe. Add serial communication support to a Small Form Factor (SFF) or full-size system using this two-port serial card.
eBay
eBay
DP/N: 003WH6. 4-Port RS-232 PCI Serial Board. Moxa for Dell. 44 Pin Serial Port. Bus Interface. Gigabyte Motherboard MC12-LE0 Re1.0 AMD B550 AM4 Ryzen 5000 4000 Server Board NEW. Form Factor. Low profile, full profile bracket.
eBay
Sunix RS-232 SER5037AL 2-Port PCI. Compliance with PCI 33MHz Ver. /2.1 specification. Supports both 64-bit & 32-bit PCI bus slot and 3.3V & 5V power. MONITOR BEZEL OR STAND COLOUR OR DESIGN MAY DIFFER.
eBay