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Green PCB adapter with OCuLink 4i and PCIe x4 connectors, silver metal bracket

Innocard

Innocard PCIe x4 Gen4 with ON SEMI to OCulink 4i gender changer

SKU CH-NS46-6X8HA

An OCulink 4i gender changer with built-in PCIe Gen 4 ReDriver and clock buffer to extend 16GT/s signals over longer cables

  • Changer TypePCIe Gen4
  • PCIe x4 Gen 4 doubles bandwidth to 16 GT/s per lane
  • ON SEMI ReDriver extends Gen 4 signals over longer cables
  • Clock buffer and bidirectional repeaters maintain 100 MHz timing integrity
  • PERST#, WAKE#, CLKREQ#, PWRBRK# buffers preserve side-band control over distance
  • Ready LED confirms host adapter link before workloads start

PCIe Gen 4 adapter with OCuLink 4i conversion

This Innocard adapter converts an OCuLink 4i (SFF-8612) connection to a PCIe x4 Gen 4 interface. It is built for rack servers, micro-servers, tower servers and high-performance computing or hardware-accelerator deployments. On-board re-drivers, clock buffers and bus-buffer gates extend Gen 4 signals at 16 GT/s over longer traces and cables. A green D3 LED signals when the host bus adapter is ready.

Fits into a server build by bridging OCuLink

The card plugs into a PCIe x4 Gen 4 slot and presents an SFF-8612 connector defined by SFF-9402 Rev 1.1. Integrated 100 MHz clock buffer, 3.3 V SMCLK/SMDAT bidirectional repeater and PERST#, WAKE#, CLKREQ# and PWRBRK# bus-buffer gates let the link span longer trace lengths and cables without additional active components. Supported operating systems include Windows 7, Windows 8 & 8.1, Windows 10 and UEFI 2.3.1 or later.

Sustained Gen 4 throughput over extended cable runs

The on-board PCIe re-driver maintains 16 GT/s differential-pair integrity across longer traces and cables, while the clock buffer drives the 100 MHz reference over distance. Bus-buffer gates keep side-band signals stable during continuous operation in rack, micro-server, tower-server and accelerator workloads. Compliance covers PCI Express Base Specification Rev 4.0, PCIe CEM Spec R4 v1.0 (08072019), SSD Form Factor v1.a, SFF-8612 v3.5 and PCI Express OCuLink 1.0a.

Highlights

  • PCIe x4 Gen 4 doubles bandwidth to 16 GT/s per lane
  • ON SEMI ReDriver extends Gen 4 signals over longer cables
  • Clock buffer and bidirectional repeaters maintain 100 MHz timing integrity
  • PERST#, WAKE#, CLKREQ#, PWRBRK# buffers preserve side-band control over distance
  • Ready LED confirms host adapter link before workloads start

Specifications

Changer TypePCIe Gen4

Questions about this item

What is the maximum sustained signal rate this adapter can maintain?

The onboard re-driver extends PCIe Gen 4 differential pairs up to 16 GT/s, so the link stays at full Gen 4 speed over longer traces.

How much power does the card draw and does it add heat or noise?

No fan or active cooling is present; the only draw is the 3.3 V rail for the re-driver, clock buffer and side-band repeaters, adding negligible heat and zero noise.

Which host connector and cable type are required for this gender changer to function?

A free PCIe x4 Gen 4 slot on the motherboard and an OCuLink 4i (SFF-8612) cable compliant with SFF-8612 rev 3.5 are needed.

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