WhatCable Pro 0.99.3 macOS

深度诊断USB-C，搞懂线缆与端口

WhatCable Pro 0.99.3 专为 Apple Silicon Mac 打造，通过菜单栏实时监控功率、检查握手协议与端口状态，精准定位瓶颈。7.7 MB 轻量，助你掌握每根线缆真实性能。

WhatCable Pro 是一款专为 Apple Silicon Mac 设计的深度 USB-C 硬件诊断工具。作为开源软件 WhatCable 的高级进阶版，它通过直观的 macOS 菜单栏界面，提供实时的功率监控、USB-C 握手协议检查和端口状态分析，帮助用户彻底搞懂手头线缆与设备的真实性能。

File Size: 7.7 MB

Go deeper into every USB-C port and cable
The free app tells you what your cable can do. Pro shows you what’s bottlenecking it: Negotiation Diagnostics breaks down every link by Mac port, cable, and device with the weak link highlighted, plus live power metering, PD contract inspection, and signal-level diagnostics straight from IOKit.

Real data from real ports
Every reading comes straight from IOKit. No estimates, no guesswork.

System Requirements
• macOS 14 or later
• Apple Silicon or Intel Core processor