---
product_id: 275732596
title: "Allegro USB-C 4-Port PCIe Card (USB3C-4PM-E)"
brand: "sonnet"
price: "¥61785"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/275732596-allegro-usb-c-4-port-pcie-card-usb3c-4pm-e
store_origin: JP
region: Japan
---

# 4x 10Gb USB-C ports Hot-swappable support Dual USB 3.1 Gen 2 Allegro USB-C 4-Port PCIe Card (USB3C-4PM-E)

**Brand:** sonnet
**Price:** ¥61785
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect, Transfer, Conquer!

## Quick Answers

- **What is this?** Allegro USB-C 4-Port PCIe Card (USB3C-4PM-E) by sonnet
- **How much does it cost?** ¥61785 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/275732596-allegro-usb-c-4-port-pcie-card-usb3c-4pm-e)

## Best For

- sonnet enthusiasts

## Why This Product

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

## Key Features

- • **Double the Speed:** Experience data transfers up to 10Gbps, twice as fast as USB 3.0.
- • **Power Up Your Devices:** Each port delivers up to 7.5W for bus-powered SSDs and RAID setups.
- • **Plug-and-Play Simplicity:** Effortless installation in any PCIe slot—get connected in minutes!
- • **Unleash Your Connectivity:** Transform your Mac Pro or Windows PC with four blazing-fast USB-C ports.
- • **Stay Connected, Stay Productive:** Hot-swappable design allows seamless device connections without downtime.

## Overview

The Sonnet Allegro USB-C 4-Port PCIe Card (USB3C-4PM-E) is a powerful expansion card that adds four high-speed USB-C ports to your Mac Pro or Windows PC. With dual USB 3.1 Gen 2 controllers, it supports data transfers up to 10Gbps, making it ideal for professionals who demand speed and efficiency. Each port can power devices up to 7.5W, and the hot-swappable feature allows for easy connection and disconnection of peripherals without shutting down your system. Compatible with a wide range of operating systems, this card is designed for seamless integration and enhanced productivity.

## Description

SonnetAllegro USB-C 4-Port PCIe Card (USB3C-4PM-E)

## Features

- Add four 10Gb USB-C ports to your Mac Pro or Windows PC with PCIe slot (not Thunderbolt)
- Dual USB 3.1 Gen 2 controller - Supports data transfers up to twice as fast as USB 3.0 and USB 3.1 Gen 1
- Supports USB-C bus-powered SSD or SSD RAID with power up to 7.5W per port
- Protected power supply - The independent current control isolates each port to prevent interruptions in the power supply of individual devices
- Compatible with MacOS 10.12.6 - 10.15.7 and 11.3+ and Windows 10. Supports all versions of USB 3 and USB 2 devices. Does not support Thunderbolt peripherals.
- Supports hot-swappable device connection - Connect and disconnect peripherals without turning off the computer
- Easy installation - Quick and easy installation in any available PCIe slot

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Sonnet |
| Item model number | USB3C-4PM-E |
| Operating System | Windows 11 |
| Item Weight | 2.4 ounces |
| Product Dimensions | 8.66 x 5.51 x 1.18 inches |
| Item Dimensions  LxWxH | 8.66 x 5.51 x 1.18 inches |
| Manufacturer | Sonnet Technologies |
| Language | English, English, English, English |
| ASIN | B07L8KCQPT |
| Is Discontinued By Manufacturer | No |
| Date First Available | December 10, 2018 |

## Product Details

- **Brand:** Sonnet
- **Hardware interface:** PCI Express x4
- **Style:** Single
- **Item weight:** 68 Grams
- **Compatible devices:** Personal Computer

## Images

![Allegro USB-C 4-Port PCIe Card (USB3C-4PM-E) - Image 1](https://m.media-amazon.com/images/I/81fWgSijteL.jpg)

## Questions & Answers

**Q: Does anyone know if this card conflicts with a gigabyte gc-titan ridge thunderbolt 3 pcie card in a cmp 4,1 or 5,1?**
A: There should not be any conflict.

**Q: Does this support video output when installed in 2012 mac pro?**
A: No

**Q: Will this work with a dell xps 8940. i cannot find any documentation on dell's website regarding the single pci-e slot that's available?**
A: No it won’t work on Dells. I found that out the hard way. Stick to Startech. I tried many and they are the only ones that work.

**Q: Does support pci 4.0? and does support window 10?**
A: All Sonnet cards of all types support PCIe 4.0 slots and Windows 10.

## Frequently Bought Together

- Sonnet Allegro USB-C 4-Port PCIe Card
- Sonnet Allegro Pro USB 3.2 Type A PCIe Card (Four SuperSpeed 10Gbps USB Connectors)
- Allegro Type A USB 3.2 | 3.0 PCIe 4-Port PCIe Card (Mac and Windows Compatible)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/275732596-allegro-usb-c-4-port-pcie-card-usb3c-4pm-e](https://www.desertcart.jp/products/275732596-allegro-usb-c-4-port-pcie-card-usb3c-4pm-e)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-05-10*