--- product_id: 275732596 title: "Sonnet Allegro USB-C 4-Port PCIe Card (USB3C-4PM-E)" brand: "sonnet" price: "€ 359.01" currency: EUR in_stock: true url: https://www.desertcart.sk/products/275732596-sonnet-allegro-usb-c-4-port-pcie-card-usb3c-4pm store_origin: SK region: Slovakia --- # 4x 10Gb USB-C ports Hot-swappable support Dual USB 3.1 Gen 2 Sonnet Allegro USB-C 4-Port PCIe Card (USB3C-4PM-E) **Brand:** sonnet **Price:** € 359.01 **Availability:** βœ… In Stock ## Summary > πŸ”— Connect, Transfer, Conquer! ## Quick Answers - **What is this?** Sonnet Allegro USB-C 4-Port PCIe Card (USB3C-4PM-E) by sonnet - **How much does it cost?** € 359.01 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/275732596-sonnet-allegro-usb-c-4-port-pcie-card-usb3c-4pm) ## 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 - β€’ **Double the Speed:** Experience data transfers up to 10Gbps, twice as fast as USB 3.0. - β€’ **Power Up Your Devices:** Each port delivers up to 7.5W for bus-powered SSDs and RAID setups. - β€’ **Plug-and-Play Simplicity:** Effortless installation in any PCIe slotβ€”get connected in minutes! - β€’ **Unleash Your Connectivity:** Transform your Mac Pro or Windows PC with four blazing-fast USB-C ports. - β€’ **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 | |---------------|-------| | ASIN | B07L8KCQPT | | Best Sellers Rank | #49 in Internal USB Port Cards | | Brand | Sonnet | | Built-In Media | Sonnet Allegro USB-C 4-Port USB 3.1 Gen 2 PCIe Card with Dual 10Gb Controllers, | | Compatible Devices | Personal Computer | | Customer Reviews | 4.0 out of 5 stars 154 Reviews | | Global Trade Identification Number | 00732311012648 | | Hardware Interface | PCI Express x4 | | Item Weight | 68 Grams | | Manufacturer | Sonnet Technologies | | Mfr Part Number | USB3C-4PM-E | | Model Number | USB3C-4PM-E | | Operating System | Windows 11 | | Style | Classic | | Style Name | Classic | | UPC | 732311012648 | | Unit Count | 1.0 Count | | Warranty Description | 1 Year Limited Warranty | ## Product Details - **Brand:** Sonnet - **Hardware interface:** PCI Express x4 - **Style:** Single - **Item weight:** 68 Grams - **Compatible devices:** Personal Computer ## Images ![Sonnet 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? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/275732596-sonnet-allegro-usb-c-4-port-pcie-card-usb3c-4pm](https://www.desertcart.sk/products/275732596-sonnet-allegro-usb-c-4-port-pcie-card-usb3c-4pm) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-08-15*