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U4611B Protocol Analyzer for USB 3.0/2.0, 18 GB

Product Status: Discontinued | Currently Supported
This product is no longer available

No replacement found for this product.

Key Features & Specifications

The most powerful USB protocol analysis system available

  • Simultaneous capture and analysis of USB 3.0 (5 Gbps) and USB 2.0 (480, 12 and 1.5 Mbps)
  • 4 concurrent trigger sequencers with 26 states each, multi-way branching, 32 counters and 32 timers
  • Traces indexed in real-time and stored in deep yet responsive 18 GB buffer.
  • Even the deepest traces saved quickly via GbE (70 MB/s sustained) or PCIe (up to 500 MB/s)

Lightning-quick, intuitive GUI for all analysis needs, from the everyday to that rare, complex event

  • Immediate display of trace – no need to wait for the host to upload and post-process the entire trace!
  • View your traces in transaction view, protocol view or spreadsheet view
  • Instantly see all relevant information, from packet detail view to histogram overview of the entire trace
  • Time-saving drag and drop of fields between trace, trigger, filter and search


USB’s range of speeds, protocol complexity and endless variety of devices demand that you have state-of-the-art tools to troubleshoot and validate your design and verify its interoperability. Keysight’s U4611B is, quite simply, the most powerful protocol analyzer for USB 3.0/2.0 available today. It combines the industry’s deepest trace buffer with its most powerful triggering engine. Real-time trace indexing and a clean, intuitive GUI allow for fast, efficient navigation and analysis, allowing you to validate and troubleshoot your USB designs more quickly and with higher confidence than ever before. Try out the U4611B USB analyzer, and see what you’ve been missing!

Learn more about Protocol Analyzer and Exerciser