SMUGDESK
SMUGDESK PCIe Slimline SAS SFF8654 8i to Dual OCuLink SFF8611 4i Cable 1M
Converts a single Slimline SAS SFF8654 8i port into two independent OCuLink SFF8611 4i connections with anti-misplug keying.
- Single SFF8654 8i splits to dual SFF8611 4i ports for multichannel expansion
- Anti‑misplug keying blocks reverse insertion to protect server hardware
- 32AWG copper with 10Ohm impedance control keeps high‑speed signals stable
- 1meter length fits clean internal routing in rackmount and workstation chassis
- Works with NVMe U.2 SSDs, eGPU docks, RAID controllers and enterprise storage
Breakout cable for server expansion
The SMUGDESK PCIe Slimline SAS SFF8654 8i to Dual OCuLink SFF8611 4i Cable 1M converts a single 8i interface into two independent 4i ports. It targets system builders who need multichannel highspeed expansion inside rackmount servers or dense workstations. The 1meter length supports clean internal routing without excess slack. Buyers who want more storage lanes than a single port provides will use this harness.
Sustained signal integrity under load
The 32AWG lowloss copper harness maintains precise 10Ohm impedance control across both channels. Heavy duty antiinterference shielding minimises crosstalk and signal attenuation during continuous high bandwidth transfers. Builtin antimisplug keying prevents reverse insertion that could damage connected hardware. The assembly is engineered for stable transmission in enterprise storage and compute environments.
Replaces fixed backplane wiring
This breakout cable upgrades installations where a motherboard or controller offers only one Slimline SAS 8i connector but the chassis demands dual OCuLink 4i links. It removes the need for proprietary midplanes or custom harnesses in NVMe U.2 SSD arrays and eGPU docking setups. The jump is worth it when expanding lane count without replacing the host adapter.
Highlights
- Single SFF8654 8i splits to dual SFF8611 4i ports for multichannel expansion
- Anti‑misplug keying blocks reverse insertion to protect server hardware
- 32AWG copper with 10Ohm impedance control keeps high‑speed signals stable
- 1meter length fits clean internal routing in rackmount and workstation chassis
- Works with NVMe U.2 SSDs, eGPU docks, RAID controllers and enterprise storage
Specifications
No published specifications for this item yet.
Questions about this item
Does the cable generate noticeable heat or draw extra power when running NVMe drives continuously?
The 32AWG copper harness with 10Ohm impedance control is designed for low-loss signal transmission, so the cable itself adds negligible heat or power draw during sustained NVMe workloads.
What connectors must my RAID controller or motherboard already have to use this breakout cable?
Your host side needs a single PCIe Slimline SAS SFF8654 8i port, and each target device must accept an OCuLink SFF8611 4i connection.
Can I connect NVMe U.2 drives that use the older SFF8611 interface to the dual OCuLink SFF8611 4i ends?
Yes, each SFF8611 4i end mates directly with NVMe U.2 devices that present an OCuLink SFF8611 4i interface, so existing U.2 drives with that connector work without adapters.
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