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Sonnet

Allegro Pro USB 3.2 Type A PCIe Card (Four SuperSpeed 10Gbps USB Connectors)

Name: Sonnet Allegro Pro USB 3.2 Type A PCIe Card (Four SuperSpeed 10Gbps USB Connectors)
Brand: Sonnet
SKU: B07LG5TS6H
Price: 149.99 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-08-21

$149.99

Buy on Amazon — $149.99 Compare to similar expansion cards

*Price sourced from Amazon.com. Last updated 2026-08-21. Price and availability subject to change.

Bottom line: The Allegro Pro USB 3.2 Type A PCIe Card (Four SuperSpeed 10Gbps USB Connectors) is a niche pick — read recent reviews before buying in the expansion cards category, priced around $149.99. Read recent reviews carefully before committing.

SpecPicks Verdict

SpecPicks classifies Sonnet Allegro Pro USB 3.2 Type A PCIe Card (Four SuperSpeed 10Gbps… as a niche pick — read recent reviews before buying in the expansion cards category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Sonnet's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for expansion cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by Sonnet's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

SuperSpeed+ 10Gbps USB Ports—Adds four 10Gbps USB-A ports to your Mac Pro or Windows PC computer with PCIe slots; or Thunderbolt to PCIe card expansion system
Dual USB 3.2 Gen 2 Controllers—Support data transfers at up to twice as fast as USB 3.0 and USB 3.1 Gen 1, and boost data transfer speeds between connected drives
Powered Ports—Supports USB bus-powered SSD, SSD RAID, and hard drive devices with up to 7.5W power per port
Protected Power Delivery—Independent power regulation isolates each port to prevent cross-coupled power glitches that may cause accidental disconnects; resettable device overcurrent fuses protect the card and computer, and may be reset by a simple shutdown
Mac, Windows 11+, and Linux Compatible. 2-year warranty and free lifetime customer support since 1986

Full Specifications

Brand	Sonnet
Style	USB3-PRO-4P10-E
Style Name	USB3-PRO-4P10-E
Connectivity	USB
Model Number	USB3-PRO-4P10-E
Compatibility	PC, Mac, Linux
Built-In Media	Sonnet Allegro Pro USB 3.1 PCIe Card, 4-Port SuperSpeed + USB 3.1 Gen 2 Card wit
Mfr Part Number	USB3-PRO-4P10-E
Compatible Devices	Personal Computer
Hardware Interface	USB 3.2 Gen 1
Warranty Description	1 Year Limited Warranty
Global Trade Identification Number	00732311012631

Ready to buy?

Sonnet Allegro Pro USB 3.2 Type A PCIe Card (Four SuperSpeed 10Gbps USB Connectors) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-08-21. Price and availability subject to change.