[ INDIVIDUAL COMPONENT // USB / FIREWIRE ]
Sonnet Allegro USB-C 4-Port PCIe
4 USB-C ports, USB 3.2 Gen 2 data. This model-specific archival record distinguishes documented product facts from platform-level compatibility assumptions.
MODEL SCOPE: Sonnet Allegro USB-C 4-Port PCIe. Confirm board revision, exact product label, firmware, bracket, and accessories before installation.
Reference specifications
| Model identifier | Sonnet Allegro USB-C 4-Port PCIe |
|---|---|
| Host bus | PCIe 3.0 x4 |
| Interfaces and protocols | Four USB-C 10 Gb/s USB 3.2 Gen 2 ports; manufacturer specifies up to 7.5 W per port. |
| Controller / chipset | Dual USB 3.2 Gen 2 host-controller architecture; Sonnet product page does not identify the controller IC. |
| Driver and operating-system notes | Sonnet lists Mac, Windows and Linux compatibility; host OS and USB xHCI support are release-specific. |
| Compatibility and archival notes | Four ports share the PCIe host connection. USB-C port power is specified up to 7.5 W per port; verify the host slot, OS and the exact card revision. |
Compatibility, care & archival notes
- USB-C is connector form, not a promise of charging/alternate modes; check power and exact SKU.
- Record PCB/revision identifiers, subsystem IDs, firmware and supplied accessories; OEM and retail versions may differ.
- Retain a verified backup and known-good driver/firmware before changing a working legacy configuration.
Sources & further reading
- Manufacturer — Sonnet Allegro USB-C 4-Port PCIe product referenceVendor reference for the named model or family; confirm exact revision and current archived manual.
- PCI-SIG — PCI Express specificationsBus terminology; physical slot fit does not guarantee electrical compatibility.
- Linux kernel — PCI support documentationGeneral enumeration reference, not a promise of support for every device feature.