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Green circuit board with gold M.2 edge connector and silver SFF-8612 port

Innocard

Innocard M.2 Golden Edge PCIe Gen 4 ReDriver SFF-8612 4i Adapter

SKU CH-MJBS-BSWYS

Converts an OCulink 4i SFF-8612 connection to an M.2 PCIe 4.0 slot with a built-in ReDriver for 16 GT/s signal extension

  • Changer TypePCIe Gen4
  • PCIe 4.0 speeds at 16 GT/s via integrated ReDriver
  • Extends signal reach with 100 MHz clock buffer
  • Converts OCulink 4i SFF-8612 to M.2 slot
  • Voltage-level translators for PERST#, WAKE#, CLKREQ#, PWRDIS
  • Designed and manufactured in Taiwan to SFF-9402 Rev1.1

Innocard M.2 Golden Edge PCIe Gen 4 ReDriver Adapter

This Innocard adapter converts an OCulink 4i (SFF-8612) connection to an M.2 PCIe 4.0 slot. It targets server builders and HPC integrators who need to attach M.2 storage or accelerator cards to SFF-8612 backplanes in rack, microserver or tower platforms.

Upgrade from passive cabling or Gen 3 links

A built-in PCIe ReDriver extends Gen 4 16 GT/s differential signals, while an integrated 100 MHz clock buffer supports longer traces and cables. The jump is worth it when passive adapters cannot maintain signal integrity across the required distance.

Practical limits of the SFF-8612 4i interface

The adapter complies with PCIe Base Specification Rev 4.0, SFF-9402 Rev 1.1 and OCulink 1.0a. Signal reach is bounded by the ReDriver and clock buffer capabilities; total link budget must account for host, cable and device losses within the Gen 4 specification.

Highlights

  • PCIe 4.0 speeds at 16 GT/s via integrated ReDriver
  • Extends signal reach with 100 MHz clock buffer
  • Converts OCulink 4i SFF-8612 to M.2 slot
  • Voltage-level translators for PERST#, WAKE#, CLKREQ#, PWRDIS
  • Designed and manufactured in Taiwan to SFF-9402 Rev1.1

Specifications

Changer TypePCIe Gen4

Questions about this item

Does this adapter need an SFF-8612 4i cable to connect to the host?

Yes, the built-in SFF-8612 connector follows the SFF-9402 Rev 1.1 pin-out and carries PCIe Gen 4 signals at 16 GT/s.

Which M.2 signal pins must align with the SFF-8612 side during installation?

The M.2 CLKREQ# ties to SFF-8612 B13 and PWRDIS ties to A9; both pass through bidirectional voltage-level translators on the board.

Will the on-board ReDriver and clock buffer need firmware updates later?

No, they are passive signal-conditioning components; only the host system BIOS or UEFI 2.3.1+ may require updates for PCIe Gen 4 stability.

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