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EXLink MB409A5

MCIO 8i (SFF-TA-1016) to PCIe 5.0 x8 Adapter with Redriver
Product Details
  • Bring PCIe Gen5 NVMe Connectivity to MCIO-Based Storage
    The EXLink MB409A5 adapter card is designed to bridge PCIe Gen5 x8 slots that support lane bifurcation with next-generation MCIO 8i (SFF-TA-1016) connectivity, delivering up to 256Gbps of total bandwidth for high-speed NVMe signal transmission in advanced storage applications.

    By integrating a PCIe redriver and optimized signal conditioning, the MB409A5 allows system designers and integrators to deploy MCIO-based NVMe solutions with greater flexibility, even in platforms requiring longer trace lengths or cable connections.
  • Designed for Flexible PCIe Gen5 Architecture
    With a PCIe 5.0 x8 interface, the MB409A5 is designed to work with motherboards that support lane bifurcation (x4 / x4). When enabled, this allows the PCIe x8 interface to be split into two independent x4 NVMe links through MCIO connectivity, supporting up to two NVMe SSDs via compatible cabling.

    If the motherboard does not provide PCIe bifurcation support, only a single NVMe SSD may be recognized.
  • Simple Way to Expand High-Speed NVMe Storage
    The EXLink MB409A5 offers a clean and scalable approach to expanding PCIe Gen5 NVMe storage using MCIO-based connectivity. *When paired with ICY DOCK’s ToughArmor MB601V5K-B and the MB413L-B MCIO 8i to dual MCIO 4i cable, system builders can easily configure two front-accessible U.2 / U.3 PCIe Gen5 NVMe SSD bays from a single PCIe x8 slot.

    This configuration simplifies high-density NVMe deployment without requiring specialized backplanes, making it ideal for servers and workstations that require removable NVMe storage while maintaining signal integrity and PCIe Gen5 performance.*

    *Motherboard must support PCIe bifurcation (x4 / x4)
  • Maintain Stable High-Speed Signals with Integrated Redriver
    As PCIe Gen5 data rates increase, signal integrity becomes increasingly critical - especially when using longer PCB traces or external cables. The MB409A5 integrates a PCIe Gen5 redriver to equalize and restore signals, helping sustain stable 32 GT/s transmission across four PCIe lanes.

    This design enables MCIO-based NVMe connections to maintain full PCIe Gen5 performance, even in complex system layouts where direct connections are not feasible.
  • PCIe Clock Buffer & Sideband Signal Management
    To maintain accurate timing across connected devices, the MB409A5 features a built-in 100MHz PCIe clock buffer, supporting stable synchronization over extended routing paths.

    In addition, buffered PERST#, WAKE#, and CLKREQ# signals enhance system stability and responsiveness, making the adapter suitable for enterprise-grade platforms and continuous-operation environments.
  • Flexible Platform Compatibility
    The MB409A5 is compatible with a wide range of PCIe host environments. It supports PCIe Gen2 through Gen5 slots and can be installed in x8, or x16 physical PCIe slots on motherboards. With no operating system limitations, the adapter is well suited for system integrators, OEMs, and solution providers building NVMe-enabled platforms across different hardware and software environments.
  • Simplify NVMe Upgrades with the ICY DOCK Selection Tool
    NVMe Storage Selection Tool - an interactive guide that helps you find compatible mobile racks, cables, and adapters based on your system's NVMe slot type and installation needs.

    Perfect for system integrators and DIY users alike, it eliminates the guesswork from building your ideal removable NVMe storage solution.
Main Features
• PCIe 5.0 x8 interface with up to 256Gbps total bandwidth
   
• MCIO 8i (SFF-TA-1016) connector for high-speed NVMe signal transmission
   
• Supports PCIe lane bifurcation for dual x4 NVMe configurations
   
• Integrated PCIe redriver for enhanced signal integrity over extended traces and cables
   
• 100MHz PCIe clock buffer for stable enterprise timing
   
• Validated compatibility with ICY DOCK NVMe mobile racks and cables
   
• Universal PCIe slot support: PCIe 2.0 / 3.0 / 4.0 / 5.0
   
• Full-height bracket, CE/UKCA/RoHS/REACH compliant
   
• Ideal for server and workstation platforms adopting PCIe Gen5 architectures
   
• Requires motherboard PCIe bifurcation (x4, x4) to access two SSDs
(This adapter card itself does not perform bifurcation)
   
• 2-year limited warranty
Specification
Model： MB409A5
Compatible Drive Type： NVMe
Support Slots： Works with x16 PCIe 2.0/3.0/4.0 or 5.0 slots on motherboards
Host Interface： 1 x PCIe x8 connector
Endpoint Interface： 1 x MCIO 8i (SFF-TA-1016)
Transfer Rate： PCIe 5.0 x8 up to 256Gbps
Supported Operating Systems： No limitation
Package Contents： Device, mounting screws, user manual
Compliance： CE, UKCA, RoHS, REACH
Warranty： 2 years warranty
 
Compatibility Notes
  • PCIe bifurcation support is required at the motherboard or system level
  • NVMe device support and system behavior depend on platform implementation
  • MCIO cables and NVMe enclosures are sold separately
Downloads
MB409A5 User Manual
MB409A5 Product Image
MB409A5 2D Drawing
 
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