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Green printed circuit board with a SlimSAS connector and PCIe gold fingers

Innocard

Innocard PCIe x4 Gen4 ReDriver to SlimSAS 4i AIC

SKU CH-EW7V-BYGWT

Converts SlimSAS 4i to PCIe 4.0 x4 with an integrated ReDriver and signal buffers for longer cable runs

  • Changer TypePCIe Gen4
  • Extends PCIe x4 Gen4 signals with integrated ReDriver
  • Built-in 100 MHz clock buffer supports longer cable runs
  • SMBus bidirectional repeater maintains link integrity over distance
  • Multiple bus-buffer gates enable extended trace lengths
  • Green LED confirms add-in card readiness

PCIe x4 Gen4 adapter with ReDriver

This Innocard add-in card converts a PCI Express 4.0 x4 slot to a SlimSAS 4i (SFF-8654) connector. It is built for integrators who need to attach SFF-8654 storage or accelerator cables to a standard x4 slot in rack, tower or micro-servers and high-performance computing systems. The on-board ReDriver and clock buffer extend signal reach over longer traces and cables. A green D3 LED shows when the card is ready.

Signal integrity over longer cables

The card adds a PCIe 4.0 ReDriver, a 100 MHz clock buffer and SMBus, PERST#, WAKE#, CLKREQ# and PWRBRK# repeaters so the x4 link stays clean over extended trace lengths and cables. It replaces a straight-through passive bracket when the signal path exceeds what a bare connector can reliably drive. The jump is worth it whenever cable routing or backplane distance would otherwise degrade the Gen 4 link.

Sustained link stability under load

Under continuous traffic the ReDriver and buffer chain keep the 4.0 x4 lane group stable without the signal decay that appears in short bursts on unbuffered paths. The card complies with PCI Express Base Specification Rev 4.0 and SFF-8654 Version 1.2 and supports Windows 7, 8.1, 10 and UEFI 2.3.1 or later. It is not for builders who need a passive gender changer or who lack a free x4 slot.

Highlights

  • Extends PCIe x4 Gen4 signals with integrated ReDriver
  • Built-in 100 MHz clock buffer supports longer cable runs
  • SMBus bidirectional repeater maintains link integrity over distance
  • Multiple bus-buffer gates enable extended trace lengths
  • Green LED confirms add-in card readiness

Specifications

Changer TypePCIe Gen4

Questions about this item

What PCIe slot width and generation does this AIC require for the ReDriver to function?

The card fits a PCI Express 4.0 x4 slot and uses the x4 lane width for the built-in ReDriver to extend link signals.

Which connector on the bracket mates with a SlimSAS cable, and what pin-out standard does it follow?

The bracket carries a SlimSAS 4i (SFF-8654) connector whose pin-out is defined by SFF-9402 Rev 1.1.

What does the green D3 LED indicate, and when should I expect it to be lit?

The green D3 LED lights when the add-in card is powered and ready, showing the ReDriver and buffer circuits are active.

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