Innocard
Innocard PCIe x8 Gen 4 ReDriver to SlimSAS 8i for Intel Ice Lake Server
Converts SlimSAS 8i to PCI Express 4.0 with a built-in ReDriver extending 8 lanes at 16 GT/s
- Changer TypePCIe Gen4
- PCIe Gen 4 16 GT/s signal integrity maintained by integrated ReDriver
- SlimSAS 8i SFF-8654 connector follows SFF-9402 Rev 1.1 pin-out
- 100 MHz clock buffer enables longer cable runs and trace lengths
- Side-band buffers for PERST#, WAKE#, CLKREQ#, PWRBRK# extend reliable control signals
- Green LED indicates add-in card readiness at a glance
PCIe x8 Gen 4 adapter for Intel Ice Lake servers
This Innocard adapter converts a PCIe x8 Gen 4 slot to a SlimSAS 8i connector using a built-in ReDriver. It is designed for Intel Ice Lake server platforms that need to extend 16GT/s signals over longer traces or cables. The board includes a clock buffer and multiple bus buffer gates for signal integrity.
Sustained signal integrity over extended distances
The integrated PCIe ReDriver regenerates 16GT/s differential pairs across eight lanes to counteract attenuation on long traces. A 100MHz clock buffer drives the reference clock further, while dedicated buffers for PERST#, WAKE#, CLKREQ#, and PWRBRK# maintain sideband control over the same extended reach. This architecture keeps the link stable under continuous load rather than only during brief bursts.
SlimSAS 8i interface constrained by SFF-9402 Rev
The SFF-8654 connector follows the SFF-9402 Rev 1.1 pin-out, which defines the electrical and mechanical limits of the 8i interface. Cable length and trace routing must stay within the margins that the ReDriver and buffer gates can compensate for. Exceeding those margins will degrade the 4.0 link even with the onboard signal conditioning.
Highlights
- PCIe Gen 4 16 GT/s signal integrity maintained by integrated ReDriver
- SlimSAS 8i SFF-8654 connector follows SFF-9402 Rev 1.1 pin-out
- 100 MHz clock buffer enables longer cable runs and trace lengths
- Side-band buffers for PERST#, WAKE#, CLKREQ#, PWRBRK# extend reliable control signals
- Green LED indicates add-in card readiness at a glance
Specifications
| Changer Type | PCIe Gen4 |
|---|
Questions about this item
Will the ReDriver and clock buffer keep signal quality stable when this adapter runs continuously at 16 GT/s?
The built-in PCIe ReDriver extends Gen 4 16 GT/s signals across eight lanes, while the 100 MHz clock buffer and PERST#, WAKE#, CLKREQ# and PWRBRK# repeaters maintain clean timing over long traces and cables during all-day operation.
Which host slot and cable type are required to use the SlimSAS 8i connector on this card?
The adapter plugs into a PCIe x8 Gen 4 slot and presents an SFF-8654 8i connector with pin-out per SFF-9402 Rev 1.1, so a matching SlimSAS 8i cable is needed to complete the link.
Can this adapter work in an older PCIe Gen 3 server slot while keeping the Green LED indicator functional?
The card is designed for PCIe 4.0 16 GT/s operation; the D1 green LED shows AIC ready status when the link is up, but Gen 3 slot compatibility is not covered in the specifications.
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