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Small green circuit board with vertical OCuLink SFF-8612 female connector

Vszerda

Vszerda SF-084-8612-XY SFF-8612 to SFF-8639 adapter with SATA power

SKU CH-SYWB-C7C8Y

Converts an OCuLink SFF-8612 port to an SFF-8639 U.2/U.3 NVME SSD slot with SATA power

  • Connector detailsOculink Sff-8612 Female
  • Connector genderFemale-to-Female
  • Conductor typeCopper
  • Product typeSerial
  • Key featuresData Transfer
  • Connects OCuLink SFF-8612 to U.2/U.3 NVMe drives via SFF-8639
  • Powers the adapter with standard SATA 5V and 12V supply
  • Transmits PCIe 4.0 and 5.0 signals at up to 64 Gbps
  • Works driver-free and transparent to the operating system
  • Vertical connector fits tight spaces around the female port

Connector Conversion for U.2 and U.3 Drives

This adapter adds an OCuLink SFF-8612 female port to an existing SFF-8639 U.2 or U.3 interface. It includes a SATA power connector supplying 5V and 12V for drive operation. The card is designed for motherboards or backplanes with a compatible U.2/U.3 slot.

Suits Builders Adapting Existing U.2/U.3 Slots

It fits systems where a U.2 or U.3 port is present but an OCuLink SFF-8612 connection is required. Builders needing to connect a drive directly to an M.2 slot, a standard SATA port, or a PCIe slot without a U.2/U.3 interface should look elsewhere.

Passive PCIe 4.0 and 5.0 Signal Path

The adapter transmits PCI Express 4.0 and 5.0 signals using the NVMe protocol at up to 64Gbps. It supports NVM Express 1.2 and operates transparently without drivers. The vertical connector orientation eases installation where space around the port is limited.

How it compares

Measured against everything we stock in SATA & eSATA Drive Cables, at today’s prices. Recalculated every night.

Price $17.99
Pricier than about 67% of the 1,954 comparable items (median $13.99).

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Specifications

Product
Brand nameXiwai
Model nameSF-084-8612-XY
Product typeSerial
Ports & slots
Connector detailsOculink Sff-8612 Female
Connector genderFemale-to-Female
Size & build
Conductor typeCopper

Questions about this item

How do I install the SFF-8612 to SFF-8639 adapter and connect the SATA power cable?

Plug the OCuLink SFF-8612 female connector into the host port, attach the SFF-8639 U.2/U.3 female side to the drive, then connect the SATA power cable to a 5V+12V supply from the mainboard. The vertical SFF-8612 connector fits tight spaces. No drivers are required.

What maintenance or replacement will the adapter need over time?

The adapter has no moving parts and requires no scheduled maintenance. If the copper conductors or SATA power cable show physical damage or intermittent contact, replace the unit.

What is the first limit I will hit under sustained PCIe 5.0 NVMe loads?

The link tops out at 64Gbps using the NVMe 1.2 protocol, so sustained throughput cannot exceed that ceiling regardless of drive capability.

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