---
product_id: 42329789
title: "Comtrol 31305-2 RocketPort EXPRESS 4J - Serial adapter - PCIe - RS-232/422/485 x 4"
brand: "comtrol"
price: "฿764"
currency: THB
in_stock: false
url: https://www.desertcart.co.th/products/42329789-comtrol-31305-2-rocketport-express-4j-serial-adapter-pcie-rs
store_origin: TH
region: Thailand
---

# PCIe Speed High Quality 4 Ports Comtrol 31305-2 RocketPort EXPRESS 4J - Serial adapter - PCIe - RS-232/422/485 x 4

**Brand:** comtrol
**Price:** ฿764
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Elevate Your Connectivity Game!

## Quick Answers

- **What is this?** Comtrol 31305-2 RocketPort EXPRESS 4J - Serial adapter - PCIe - RS-232/422/485 x 4 by comtrol
- **How much does it cost?** ฿764 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/42329789-comtrol-31305-2-rocketport-express-4j-serial-adapter-pcie-rs)

## Best For

- comtrol enthusiasts

## Why This Product

- Trusted comtrol brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Satisfaction Guaranteed:** Join countless satisfied users who trust our quality.
- • **Plug-and-Play Simplicity:** Effortless installation for immediate productivity.
- • **Versatile Serial Support:** Connect up to 4 devices with RS-232/422/485 compatibility.
- • **Cost-Effective Excellence:** Get premium quality without breaking the bank.
- • **Unleash Your Connectivity:** Experience lightning-fast data transfer with PCIe technology.

## Overview

The Comtrol 31305-2 RocketPort EXPRESS 4J is a high-performance serial adapter designed for seamless integration into your system. With four RS-232/422/485 ports and PCIe technology, it offers exceptional speed and versatility, making it the perfect choice for professionals seeking reliable connectivity solutions.

## Description

Comtrol's RocketPort EXPRESS 4J serial port expansion card provides four "native" serial ports utilizing a single PCIe card slot and is compatible with all PCI Express bus architectures. The RJ45 serial ports, mounted on the edge of the card, support software configurable RS-232/422/485 serial communications at speeds up to 921.6 Kbps.Every RocketPort serial card features the high-performance RocketPort processor chip, consisting of a dedicated 44MHz core that minimizes host CPU utilization and optimizes data transmission via larger transmit and- receive buffers than those of 16550 UART chips, commonly used in standard PC serial ports and low-end serial cards.RocketPort technology enables thBrand Name: ComtrolForm Factor: Plug-in CardHost Interface: PCI Express x1Number of Ports: 4Product Type: Serial AdapterDrive PerformanceData Transfer Rate: 921.60 KbpsGeneral InformationBrand Name: ComtrolManufacturer Part Number: 31305-2Manufacturer: Comtrol CorporationMarketing Information: Comtrol's RocketPort EXPRESS 4J serial port expansion card provides four "native" serial ports utilizing a single PCIe card slot and is compatible with all PCI Express bus architectures. The RJ45 serial ports, mounted on the edge of the card, support software configurable RS-232/422/485 serial communications at speeds up to 921.6 Kbps.Every RocketPort serial card features the high-performance RocketPort processor chip, consisting of a dedicated 44MHz core that minimizes host CPU utilization and optimizes data transmission via larger transmit and- receive buff

## Features

- More for the money with this high quality Product
- Offers premium quality at outstanding saving
- Excellent product
- 100% satisfaction

## Images

![Comtrol 31305-2 RocketPort EXPRESS 4J - Serial adapter - PCIe - RS-232/422/485 x 4 - Image 1](https://m.media-amazon.com/images/I/31u3ReS7SzL.jpg)

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**Shop now:** [https://www.desertcart.co.th/products/42329789-comtrol-31305-2-rocketport-express-4j-serial-adapter-pcie-rs](https://www.desertcart.co.th/products/42329789-comtrol-31305-2-rocketport-express-4j-serial-adapter-pcie-rs)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-29*