Topology map
Host controllers → root hubs → external hubs → devices → interfaces, with the PnP parent chain preserved. Branches stay readable, details stay in the right pane.
Windows 10 / 11 · C++20 · WTL
USB,
decoded.
See every controller, hub, port, interface and storage link. Read the descriptors Windows exposes, check SMART health, and measure real file-level throughput — without telemetry or raw-disk writes.
● USB 3.2 link · SMART · 4K IOPS
What you get
Everything between the port and the protocol.
One window for the physical tree, the descriptors behind it, and the storage speed in front of it.
Descriptor-level detail
VID/PID, USB version, class and protocol, configuration, interfaces, endpoints, BOS capabilities, link speed, driver service, INF and PnP location.
Storage & SMART
Capacity, volumes, partition style, bridge chip, bus type and SMART health through ATA, SATA bridge or NVMe paths when the device exposes them.
Real throughput
Sequential and 4K random read/write tests with MB/s, IOPS and latency, plus a Task Manager-style live curve. File-based only — never a raw-disk write.
Copy, locate, export
Right-click any value to copy it, copy the row or the whole page. Driver rows jump to the driver file or INF directory. Export a full text report in one click.
Privacy-first
No telemetry, no network access, no background service. Standard-user mode still exposes the topology; administrator mode unlocks deeper IOCTLs and SMART.
One window, full context
Short in the tree.
Deep in the details.
Titles stay compact so large topologies stay readable. Select a node to inspect every descriptor, driver field and storage value on the right.
- 38.2 / 61.8 split keeps the tree and detail page balanced.
- SMART and benchmark tabs appear only when the selected device supports them.
- Switch language without rescanning or losing your place.
Speaks your language
Automatic by default.
Manual when you want it.
USBInfo follows the Windows display language. Switch at runtime via View → Language — no restart, no rescan.
简体中文 zh-CN
English en-US
Français fr-FR
Deutsch de-DE
Español es-ES
日本語 ja-JP
한국어 ko-KR
Русский ru-RU
Translation resources are compiled into the executable as C++ tables. No language DLLs to install.
Safe by design
Built to inspect,
not to touch.
A diagnostic tool should not change the thing it measures. USBInfo is intentionally conservative.
No raw-disk writes
Benchmarks create a temporary file on the selected volume, flush it, measure, then delete it.
No telemetry or network calls
USB data stays on the machine. Nothing is uploaded.
Honest about limits
Missing cable E-Marker, hidden NAND and bridge-dependent SMART are reported as unavailable — never invented.
PowerShell / Command PromptRelease x64
# run the GUI
> USBInfo.exe
# export a full text report
> USBInfo.exe --report report.txt
# build from source
> msbuild USBInfo.sln /m /p:Configuration=Release /p:Platform=x64