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Small rectangular circuit board with gold edge connector and black components

Innocard

Innocard SFF-TA-1001 PCIe Gen4 gender changer

SKU CH-7858-K52XC

Converts an OCuLink 4i interface to an M.2 PCIe 4.0 slot with a built-in ReDriver, clock buffer and bidirectional level translators for signal integrity

  • Changer TypePCIe Gen4
  • OCuLink 4i to M.2 PCIe 4.0 conversion enables high-speed storage connectivity
  • Built-in PCIe ReDriver extends Gen4 16GT/s signals for reliable longer cable runs
  • Integrated 100MHz clock buffer drives extended trace lengths without signal degradation
  • SMBus, PERST#, WAKE#, CLKREQ# and PWRDIS translators ensure full sideband compatibility
  • Compliant with PCIe 4.0, SFF-8612, SFF-9402 1.1 and M.2 spec rev 4.0

Adapter Purpose

The Innocard SFF-TA-1001 converts an OCuLink 4i (SFF-8612) port to an M.2 PCIe 4.0 slot. It targets server and HPC builders who need to attach M.2 accelerators or storage to an OCuLink backplane.

Compatibility Checks

Verify the host provides an SFF-8612 connector wired to the SFF-9402 Rev 1.1 pin-out and supplies the required side-band signals. Confirm the operating environment runs Windows 7, 8, 8.1, 10 or UEFI 2.3.1 firmware for driver support.

Upgrade Context

This adapter replaces a direct OCuLink-to-OCuLink link when the endpoint device uses an M.2 form factor. The jump is worthwhile when the platform only exposes OCuLink ports but the workload demands M.2 add-in cards.

Highlights

  • OCuLink 4i to M.2 PCIe 4.0 conversion enables high-speed storage connectivity
  • Built-in PCIe ReDriver extends Gen4 16GT/s signals for reliable longer cable runs
  • Integrated 100MHz clock buffer drives extended trace lengths without signal degradation
  • SMBus, PERST#, WAKE#, CLKREQ# and PWRDIS translators ensure full sideband compatibility
  • Compliant with PCIe 4.0, SFF-8612, SFF-9402 1.1 and M.2 spec rev 4.0

Specifications

Changer TypePCIe Gen4

Questions about this item

Does the SFF-TA-1001 include both the OCulink 4i and M.2 connectors, or must I buy a cable separately?

The adapter has a built-in SFF-8612 connector and an M.2 PCIe 4.0 slot, so no separate cable is needed for the conversion.

Should I choose the version that supports PCIe 4.0 at 16 GT/s or an older generation for my server?

This model is a PCIe Gen4 gender changer with a built-in ReDriver for 16 GT/s differential signals, so it matches Gen4 server slots.

What does the 16 GT/s headline speed mean when the adapter is installed in a rack server?

The on-board ReDriver and 100 MHz clock buffer extend clean 16 GT/s PCIe 4.0 signals across longer traces inside the server chassis.

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