Key Features
Compatibility
Product Description
The Sonnet Allegro 7-Port USB 3.2 Gen 1 Type-A PCIe Card (USB3-7PM-E) is the ultimate solution for expanding USB connectivity on your Mac Pro, Windows, or Linux system. Engineered as a powered USB PCIe card, this high-performance adapter transforms a single PCIe slot into seven high-speed USB-A ports, each supporting data transfer rates up to 5Gbps.
Ideal for connecting multiple USB 3.2/3.1/3.0 devices, including external drives, audio interfaces, video capture devices, and more, this card is fully powered, ensuring stable connections without needing additional USB hubs.
Whether you're searching for the best 7-port USB-A PCIe card, a USB-A card for Mac Pro, or a PCIe USB 3.0 card with 7 ports, the Sonnet Allegro delivers unmatched performance and versatility. It's fully compatible with Windows, Linux, and macOS, making it a go-to solution for any desktop workstation.

Key Features:
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7-Port USB 3.2 Gen 1 (USB 3.0/3.1 Compatible) – Connect up to seven USB-A devices with 5Gbps data transfer speeds.
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Powered USB PCIe Card – Each port provides independent power for stable, high-speed device operation.
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Wide OS Compatibility – Fully compatible with macOS, Windows, and Linux systems.
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Ideal for Mac Pro Workstations – Adds USB-A ports to Mac Pro (Intel® and Apple M-Series with PCIe expansion chassis).
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PCIe to USB 3.2/3.1/3.0 Expansion – Fits any x4 or larger PCIe slot in desktop computers.
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Supports Simultaneous Use – Connect and use all 7 ports simultaneously without bandwidth loss.
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Perfect for Professional Setups – Designed for audio, video, storage, and peripheral-heavy workflows.
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Driver-Free Installation – Native OS support, no additional drivers needed on most systems.
- Warranty – 2-Year Manufacturer Warranty – Full coverage against defects and hardware issues.
What’s in the Box?
1 × Sonnet Allegro 7-Port USB 3.2 Gen 1 Type-A PCIe Card (USB3-7PM-E)
1 × User Manual




Specifications
- Part Number: USB3-7PM-E
- Warranty: 2-year
- Form Factor: Full-height PCIe computer card
- Bus Interface: PCI Express 2.1 x1
- External Connectors: Six USB 3.2 Gen 1 Type-A ports
- Internal Connector: One USB 3.2 Gen 1 Type-A port
- Peripherals Supported: Industry standard USB 3.2 Gen 1 & 2, 3.1 Gen 1 & 2, 3.0, 2.0, and 1.1
- Bus-powered Peripherals Supported: HD, SSD, etc. (0.5W per port for operation)
- Cables Supported: USB 3 with Standard-A male connector; USB 2.0 with Standard-A male connector
- Chipset: Fresco Logic FL1100EX
- USB Standard: Complies with OHCI, EHCI, and xHCI standards
- UASP: USB Attached SCSI Protocol supported under macOS, Windows 11 and 10
- Hot Plug: Supports hot-pluggable and hot-swappable device connection
- Boot Support: Computers do not support booting from any USB 3 PCIe cards
- Operating Temperatures: 0ºC to 35ºC (32ºF to 95ºF)
- Compliance: RoHS 3 (Directive 2015/863), IEC62368-1 and IEC62368-2 Safety
- Product Manual: Download PDF
Compatibility
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Mac Compatibility:
- Mac Pro 14,8 (2023)
- Mac Pro 7,1 (2019)
- Mac Pro 5,1
- macOS 10.12+
- macOS Sequoia compatible -
Windows Compatibility:
- Windows computer with available full-height PCIe slot
- Windows 11 and 10 -
Linux Compatibility:
- Linux computer with available full-height PCIe slot
- Linux Kernel 5.4.0+
Product Videos
Shipping, Returns & VAT
- Free UK Shipping: Delivered in approx. 2 working days
- Express Options: Faster methods available at checkout
- Free Shipping to Ireland: For orders over £100.00
- International Delivery: Times vary by destination; shipped via FedEx or DHL
- 30-Day Returns: Return within 30 days from order date
- UK, Ireland and EU Customers: Free return label provided
- Full Return Policy: Read Here
- Full Shipping Details: Read Here
VAT & Duties Information
UK & EU Customers: The price shown on our website is the final price you pay. No additional VAT, customs duties, or import fees will be charged upon delivery.
Orders are dispatched from Northern Ireland, allowing us to serve customers across the United Kingdom and the European Union without unexpected import charges.
Non-UK and non-EU destinations: Local taxes, customs duties, and import fees may apply and are the responsibility of the recipient.
Payment
Safe payment on our website.
Pay by card, Klarna, PayPal, Apple Pay, G-Pay, Shop Pay, Revolut, Bancontact, iDeal, or even bank transfer.
Customer Service
Email and chat available 24/7
Free number UK: 08001954072
International: +442838341148
Phone Line Opening Hours
- Monday - Friday: 09:00-17:00
