---
product_id: 9441063
title: "U.S. Robotics 56K V90 PCI Performance Pro Faxmodem Dos/NT/Linux"
brand: "3com"
price: "$11"
currency: NZD
in_stock: false
reviews_count: 6
url: https://www.desertcart.nz/products/9441063-u-s-robotics-56k-v90-pci-performance-pro-faxmodem-dos
store_origin: NZ
region: New Zealand
---

# International standards Flash ROM upgrade 56Kbps speed U.S. Robotics 56K V90 PCI Performance Pro Faxmodem Dos/NT/Linux

**Brand:** 3com
**Price:** $11
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Connect, Upgrade, Conquer!

## Quick Answers

- **What is this?** U.S. Robotics 56K V90 PCI Performance Pro Faxmodem Dos/NT/Linux by 3com
- **How much does it cost?** $11 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/9441063-u-s-robotics-56k-v90-pci-performance-pro-faxmodem-dos)

## Best For

- 3com enthusiasts

## Why This Product

- Trusted 3com brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unleash the Speed:** Experience lightning-fast 56Kbps internet access for seamless browsing.
- • **Global Connectivity:** Supports international standards, ensuring you stay connected worldwide.
- • **Invest in Longevity:** Software upgradability means your modem evolves with your needs.
- • **Future-Proof Your Tech:** Flash ROM upgradable for the latest features and enhancements.
- • **Versatile Compatibility:** Works effortlessly with Windows, Linux, and DOS systems.

## Overview

The U.S. Robotics 56K V90 PCI Performance Pro Faxmodem is a versatile and reliable solution for internet access, faxing, and email, compatible with Windows, Linux, and DOS. With its flash ROM upgrade capability and support for international standards, this modem ensures you stay connected and future-proof your investment.

## Description



## Features

- Great for Internet access, faxing, or e-mail
- Available for PCs running Windows or Linux
- Flash ROM upgradable
- Supports international standards using V.90 56 Kbps standard and x2 technology
- Software upgradability protects your investment

## Product Details

- **Brand:** 3Com
- **Compatible Devices:** Personal Computer
- **Maximum Upstream Data Transfer Rate:** 56 Megabits Per Second
- **UPC:** 662705315126
- **Global Trade Identification Number:** 00662705315126

## Images

![U.S. Robotics 56K V90 PCI Performance Pro Faxmodem Dos/NT/Linux - Image 1](https://m.media-amazon.com/images/I/51BNG0X4ANL.jpg)

## Customer Reviews

### ⭐ USR quality gone down hill?  My experinces.
*by C***R on June 18, 2005*

OK, flashback to about a year ago. I moved to a rural area, with marginal, at best, phone line quality. I was using a cheapo $10 lucent v.90 winmodem at the time, and decided that to make the best of what I had (I can't get broadband here) I'd invest in a decent modem. I am an IT industry professional, and the word on the street was USR made a solid, reliable product. So I bought the best PCI modem USR had to offer, the Performance Pro. Connect speed stayed about the same,(around 44K) but throughput doubled. Flash-forward. I recently fried my old USR PP, (oops) and bought a new one. To say the least, I am less than impressed. The new modem connects consistantly at 24K or less, and throughput is equally bad. Driver up-to-date? Yes. Same for Firmware. No amount of init string tweaking, enabling/disabing settings, protocols, etc. will correct. As a sanity check, I reinstalled my cheapo V.90 (I am using it now), and am once again getting reasonable performance, if not what I once had with my OLD USR. I can only conclude that you should seriosly think about buying this modem if you have marginal line quality as I do. USR was once THE source for good modems. I am disappointed to see this has changed.

### ⭐⭐⭐ Painless install
*by J***R on May 28, 2001*

After reading several of the reviews on this product from other owners of this device I'm a little puzzled. Installation of this modem under Windows was as simple as it can get. Simple plug and play. I have to admit the installation software that comes with it leaves much to desired, but other than that this product delivers. I have yet to connect below 48000 bps and average 49,333. My previous modem never connected above 48k and only averaged 46666 on a good day. I'd rate this 5 stars if it wasn't for the installation software provided.I'm adding the following as a post script since it's been about six months since I purchased this modem and initially reviewed it. As I had noted previously this modem did perform rather well untill recently. Then the problems started....3Com/U.S. Robotics support has been almost nonexistent. The newest drivers are almost 2 years old and don't work any better than the one's supplied on the install disk, that is if you can get it to run in the first place. As of right now I've had to toss it in the garbage since it's useless and have replaced it with a modem from Diamond. I guess if your feeling lucky try it.

### ⭐⭐⭐⭐ Painless Windows XP Install, Painful Upgrade to V.92
*by D***W on January 23, 2002*

I bought this hardware modem a few weeks ago after a bad experience with a software modem. On my Windows XP system, installation was a snap. I inserted the card and turned on the system; the system recognized the card and automatically installed the necessary drivers. I didn't even need to open the enclosed CDs. Since installation, I've consistently connected at 52 kbps. (I can't vouch for similarly trouble-free installation under Linux, DOS, NT, etc.)My problem: upgrading the modem to support the V.92 standard. If your ISP also supports the V.92 standard, the upgrade provides your modem with a few neato features, none of which I've tested. However, I did try to upgrade, and that was a pain. You have to know the product id (3CP5610A) rather than the product name to download the upgrade, and you have to use U. S. Robotics' Control Center software to install it. I had no luck with Control Center, so I tried to install the upgrade manually. Eventually, I succeeded, but without the help of U. S. Robotics: their website provided no useful information. This may not be representative of their software and technical support in general, but I took it as a bad omen.In short, in my experience, the hardware is good, but the software and the technical support are bad. Buy this only if you're willing to rely on your system (or your wits) to perform the installation.

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-11*