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Small green circuit board with vertical OCuLink and U.2/U.3 connectors plus SATA power

Vszerda

Vszerda SFF-8611 Oculink Female to U.2/U.3 SFF-8639 Adapter

SKU CH-X50B-38DH8

Connects an OCuLink SFF-8612 female port to a U.2/U.3 SFF-8639 NVME SSD with PCIe 4.0/5.0 support up to 64Gbps and SATA power

  • Connects OCuLink SFF-8612 to U.2/U.3 SFF-8639 NVME SSDs
  • Transmits PCIe 4.0/5.0 signals for up to 64Gbps data rate
  • Supports NVMe 1.2 protocol without driver installation
  • Vertical connector fits tight spaces around female ports
  • Includes SATA power connector for drive operation

SFF-8611 Oculink to U.2/U.3 adapter

This adapter converts an SFF-8611 Oculink female port to an SFF-8639 U.2/U.3 female connector with SATA power. It allows a single NVMe SSD to be connected via an optional cable using the OCuLink SFF-8612 interface. The unit is transparent to the operating system and requires no software drivers.

Check host port and drive compatibility

Verify that the mainboard or controller provides an SFF-8611 Oculink female port with PCIe 4.0 or 5.0 signalling. Ensure the target SSD uses the U.2 or U.3 form factor and supports NVMe 1.2. Confirm a spare SATA power connector is available for the adapter's power input.

Sustained throughput at 64Gbps

The adapter passes PCIe 4.0 and 5.0 signals without alteration, maintaining up to 64Gbps bandwidth during continuous workloads. No active components are present to throttle performance or add latency. Signal integrity depends on cable quality and host controller implementation under prolonged heavy I/O.

Highlights

  • Connects OCuLink SFF-8612 to U.2/U.3 SFF-8639 NVME SSDs
  • Transmits PCIe 4.0/5.0 signals for up to 64Gbps data rate
  • Supports NVMe 1.2 protocol without driver installation
  • Vertical connector fits tight spaces around female ports
  • Includes SATA power connector for drive operation

Specifications

No published specifications for this item yet.

Questions about this item

Does the adapter include the OCuLink cable needed to reach my SSD?

The box contains only the adapter board with its SFF-8612 female and SFF-8639 female ports plus a SATA power connector; an OCuLink cable must be purchased separately.

When should I choose this SFF-8611 model instead of a straight U.2-to-U.2 cable?

Choose this adapter when the host or backplane provides an SFF-8612 OCuLink port and you need to attach a U.2 or U.3 NVME drive that uses the SFF-8639 connector.

What does the 64Gbps figure mean once the adapter is installed in my server?

It indicates the adapter passes PCI Express 4.0 and 5.0 signals at up to 64Gbps without altering speed or protocol, so the drive runs at the host's native NVME 1.2 performance.

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