Xgig M.2 4-lane Interposer Module for PCI Express 5.0

Interposer Module for PCI Express 5.0 Platform

The Xgig M.2, 4-lane Interposer for PCI Express® 5.0 is an Active Interposer with a design optimized for M.2 SSD development.

This Interposer enables protocol analysis of communication between a M.2 PCIe SSD and the host system. It supports use in server, workstation, desktop and notebook PCs, and other system types. It is used for hardware, driver and applications debugging.  Bidirectional PCIe 5.0 protocol data on each of 4 lanes is captured at up to 32GT/s rate for analysis.


  • Quicker NVMe SSD debugging and faster time-to-market
  • Provides consistent, repeatable capture of link training, equalization negotiation and other data 


  • M.2 connections are commonly used for internally mounted computer expansion cards 
  • Supported by VIAVI Analyzer tools for trace capture with filter, trigger and more 
  • Supports error injection for deep system analysis
  • Interfaces with Xgig Exerciser for endpoint emulation
  • Works together with the VIAVI Xgig 5P8 and 5P16 PCIe 5.0 Analyzer/Exerciser/Jammer chassis

Key Features

  • Operates up to 32GT/s, PCIe 5.0 data rates
  • Downward compatible with PCIe Gen-1, Gen-2, Gen-3 and Gen-4 data rates of 2.5, 5.0, 8.0 and 16.0GT/s
  • Supports PCIe links of up to 4-lanes
  • M.2 PCIe SSD DUT plugs directly into the Interposer
  • Supports M.2 card types 2230, 2242, 2260, 2280 and 22110
  • Custom cable with PCB connects to host system DUT
  • Data path uses high-speed linear redrivers to ensure good signal capture with little or no tuning
  • Supplied with two high-quality SFF-8764 equivalent custom cables for Analyzer attachment
  • Supports Analyzer side-band signal capture and triggering
  • Interposer power is independent of host system
  • A 120/220 AC in, 12V/3A DC output converter is included
  • Integrates seamlessly with the Xgig software tools suite, including Expert™, for problem and performance analysis

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