---
product_id: 20868920
title: "IO CREST 4 Port RS-232 Serial PCIe 2.0 X1 Controller Card Components SI-PEX15042"
brand: "io crest"
price: "¥15475"
currency: JPY
in_stock: true
reviews_count: 2
url: https://www.desertcart.jp/products/20868920-io-crest-4-port-rs-232-serial-pcie-2-0
store_origin: JP
region: Japan
---

# 600W Surge Protection PCIe 2.0 x1 Interface 15kV ESD Shielding IO CREST 4 Port RS-232 Serial PCIe 2.0 X1 Controller Card Components SI-PEX15042

**Brand:** io crest
**Price:** ¥15475
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your legacy devices with next-gen speed and protection!

## Quick Answers

- **What is this?** IO CREST 4 Port RS-232 Serial PCIe 2.0 X1 Controller Card Components SI-PEX15042 by io crest
- **How much does it cost?** ¥15475 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/20868920-io-crest-4-port-rs-232-serial-pcie-2-0)

## Best For

- io crest enthusiasts

## Why This Product

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

## Key Features

- • **Compact Powerhouse:** Slim 9.6 x 5.68 inch design fits perfectly in any professional setup.
- • **High-Speed Data Flow:** PCIe 2.0 x1 interface ensures lightning-fast communication with your system.
- • **Seamless Connectivity:** Supports RS-232, RS-422, and RS-485 protocols for versatile device integration.
- • **Rock-Solid Reliability:** 600W surge and 15kV ESD protection keep your serial connections bulletproof.
- • **Flexible Communication Modes:** Asynchronous operation with half and full duplex modes adapts to your workflow.

## Overview

The IO CREST SI-PEX15042 is a 4-port RS-232 serial PCIe 2.0 x1 controller card featuring an AMD chipset. It offers robust 600W surge and 15kV ESD protection, supports multiple serial protocols (RS-232, RS-422, RS-485), and flexible asynchronous communication modes, all packed in a compact form factor ideal for professional-grade connectivity.

## Description

The XR17V358 Series Multi-I/O PCI-Express controller cards are the High performance RS-232 serial interface controller for home and industrial users. They are compatible with industrial standard 16C550 UART, which provide a low cost connection platform for industrial machines, POS machines, external modems, mice, etc.

## Features

- Ear chipset: XR17V358
- RS485 signals: data+ (B) data- (a) GND
- RS422 signals: T/R+ T/R- RXD+ RXD- GND
- 600W Surge protection, 15kV ESD protection for Serial Ports
- Working mode: Asynchronous working, point-to-point to point-to-multipoint 2 wires (half duplex) 4 wires (full duplex)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Chipset Brand | AMD |
| Brand | IO CREST |
| Series | SI-PEX15042 |
| Item model number | SI-PEX15042 |
| Item Weight | 12.8 ounces |
| Product Dimensions | 9.6 x 5.68 x 1.8 inches |
| Item Dimensions  LxWxH | 9.6 x 5.68 x 1.8 inches |
| Manufacturer | IO Crest |
| ASIN | B00Q1EUDE2 |
| Is Discontinued By Manufacturer | No |
| Date First Available | November 23, 2014 |

## Product Details

- **Brand:** IO CREST
- **Hardware Interface:** PCI Express x4
- **Style:** 4 Port Serial PCIe XR17V358
- **Item Weight:** 0.8 Pounds
- **Compatible Devices:** Desktop

## Images

![IO CREST 4 Port RS-232 Serial PCIe 2.0 X1 Controller Card Components SI-PEX15042 - Image 1](https://m.media-amazon.com/images/I/71+fTtfIvEL.jpg)
![IO CREST 4 Port RS-232 Serial PCIe 2.0 X1 Controller Card Components SI-PEX15042 - Image 2](https://m.media-amazon.com/images/I/71mxA-W-itL.jpg)
![IO CREST 4 Port RS-232 Serial PCIe 2.0 X1 Controller Card Components SI-PEX15042 - Image 3](https://m.media-amazon.com/images/I/61z7RlQUOGL.jpg)
![IO CREST 4 Port RS-232 Serial PCIe 2.0 X1 Controller Card Components SI-PEX15042 - Image 4](https://m.media-amazon.com/images/I/811VLsVAw4L.jpg)
![IO CREST 4 Port RS-232 Serial PCIe 2.0 X1 Controller Card Components SI-PEX15042 - Image 5](https://m.media-amazon.com/images/I/615eC9m7JJL.jpg)

## Customer Reviews

### ⭐ Not compatible with Win 10
*by M***S on November 26, 2015*

Seems a well made product and other reviews indicated that it worked well with older systems, but my very high end custom PC running Windows 10 was another story.Though I was eventually able to get the drivers to install in a way where the system indicated it was working, I was never able to get any of the ports to move any data.Ended up ordering a similarly priced StarTech unit that specifically stated Win 10 compatibility and it worked like a charm.

### ⭐ Not RS-232
*by B***S on November 2, 2016*

The product's title says this is RS-232, however, my tech guys informed me that it is not RS-232, but is rather RS-422 and RS-485. Had to return it and purchase a different product.

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**Shop now:** [https://www.desertcart.jp/products/20868920-io-crest-4-port-rs-232-serial-pcie-2-0](https://www.desertcart.jp/products/20868920-io-crest-4-port-rs-232-serial-pcie-2-0)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-06*