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Single SFF8654 8i connector splits to two SFF8611 4i ends on a thin black cable

Fervit

Fervit SFF8654 8i to Dual SFF8611 4i Server Cable 1m

SKU CH-WKGE-0RPME

Splits one SFF8654 8i port into two SFF8611 4i OCuLink connections with 32AWG cable, 10 Ohm impedance and anti-misplug keying for NVMe U.2 SSDs, RAID controllers and eGPU setups

  • Single SFF8654 8i port splits to dual independent SFF8611 4i ports for multichannel expansion
  • Built-in anti-misplug keying prevents reverse insertion to protect server hardware
  • 32AWG low-loss copper harness with precise 10 Ohm impedance ensures stable high-speed signal transmission
  • 1 meter optimized length enables clean internal routing in rackmount servers and high-density backplanes
  • Compatible with NVMe U.2 SSDs, eGPU graphics, RAID controllers and enterprise storage systems

SFF8654 8i to Dual SFF8611 4i Breakout Cable

This one metre cable splits a single SFF8654 8i port into two independent SFF8611 4i connections for multichannel expansion. It is built for administrators wiring NVMe U.2 SSDs, eGPU enclosures, RAID controllers or enterprise storage arrays inside rackmount servers and workstations. The 32AWG copper harness maintains a precise 10 Ohm impedance for stable highspeed signal transmission.

Anti-Misplug Keying and Impedance Control

A built-in anti-misplug design prevents reverse insertion, protecting server hardware from connection damage. The low-loss 32AWG copper construction with controlled 10 Ohm impedance preserves signal integrity across both channels. These features let installers route the harness confidently in dense backplanes without risking bent pins or signal degradation.

One Metre Reach for Dense Chassis

The 1m length is optimised for clean internal routing in high-density rackmount servers and workstations. It comfortably spans typical motherboard-to-backplane distances while leaving enough slack for cable management. Builders needing longer runs between distant chassis sections or external enclosures will find the fixed length insufficient.

Highlights

  • Single SFF8654 8i port splits to dual independent SFF8611 4i ports for multichannel expansion
  • Built-in anti-misplug keying prevents reverse insertion to protect server hardware
  • 32AWG low-loss copper harness with precise 10 Ohm impedance ensures stable high-speed signal transmission
  • 1 meter optimized length enables clean internal routing in rackmount servers and high-density backplanes
  • Compatible with NVMe U.2 SSDs, eGPU graphics, RAID controllers and enterprise storage systems

Specifications

BrandFervit

Questions about this item

Will the 32AWG harness or the 10 Ohm impedance spec degrade over time and need replacement?

The 32AWG copper harness with 10 Ohm impedance control is a passive cable assembly; it has no active components or wear items, so it does not require scheduled maintenance or replacement under normal server use.

What is the first signal-integrity limit reached when the SFF8654 8i link runs at full PCIe speed continuously?

The built-in 10 Ohm impedance control on the 32AWG harness is designed to maintain stable high-speed transmission, so the practical limit is the host controller's PCIe lane budget rather than the cable itself.

Does the SFF8654 8i to dual SFF8611 4i cable generate noticeable heat or draw extra power during all-day operation?

As a passive copper harness it draws no auxiliary power and adds negligible heat; the anti-misplug keying and 1 metre length are purely mechanical and signal-routing features.

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