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OCuLink SFF-8611 8X cable splitting to dual SFF-8639 U.2 with 15-pin SATA power

SMUGDESK

SMUGDESK OCuLink SFF8611 8X to Dual SFF8639 U.2 Cable with 15Pin SATA Power 12Gbps 32AWG 1m 39.37in

SKU CH-ADE6-QVFBR

Connects one OCuLink SFF8611 8X port to two U.2 NVMe SSDs with 15-pin SATA power at 12Gbps over 1m

  • Single OCuLink 8X port splits to dual U.2 connectors for two NVMe SSDs
  • Integrated 15-pin SATA power connector supplies stable power to both drives
  • 12Gbps bandwidth supports enterprise-grade storage throughput
  • 32AWG copper conductors with shielding reduce signal loss and interference
  • 1 metre length allows flexible routing inside large server chassis

SMUGDESK OCuLink SFF8611 Breakout Cable

This cable splits one OCuLink SFF8611 8X port into two SFF8639 U.2 connectors for dual NVMe SSD attachment. It targets server builders and storage administrators expanding enterprise RAID arrays or data centre capacity. The integrated 15pin SATA power port supplies the drives directly from the system.

Capacity and headroom

The harness delivers 12Gbps bandwidth per lane across both U.2 links for high throughput storage workloads. It comfortably handles dual enterprise NVMe drives in parity or striped configurations. Bandwidth saturates when both SSDs sustain peak simultaneous reads, limiting aggregate performance to the single 8X upstream link.

Thermals noise and power draw

Passive 32AWG copper conductors with shielding produce no acoustic noise and add negligible heat inside the chassis. Power for the U.2 devices passes through the 15pin SATA connector, drawing only what the attached SSDs require. The one metre length keeps voltage drop minimal for stable operation.

Highlights

  • Single OCuLink 8X port splits to dual U.2 connectors for two NVMe SSDs
  • Integrated 15-pin SATA power connector supplies stable power to both drives
  • 12Gbps bandwidth supports enterprise-grade storage throughput
  • 32AWG copper conductors with shielding reduce signal loss and interference
  • 1 metre length allows flexible routing inside large server chassis

Specifications

No published specifications for this item yet.

Questions about this item

Will this cable let me keep my existing SFF8611 8X host port while adding two U.2 NVMe drives?

Yes, the single SFF8611 8X connector breaks out to two SFF8639 U.2 ports so you can attach two NVMe SSDs without replacing the host adapter.

How can I verify the 12Gbps link is active after I connect the drives?

Check the host controller BIOS or OS device manager; both U.2 devices should appear at the expected PCIe link width and speed.

Does the 15pin SATA power connector come attached or do I need a separate power cable?

The 15pin SATA power plug is built into the harness, so no extra power cable is required for the U.2 SSDs.

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