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Vszerda

Vszerda Oculink to U.2 Adapter Cable SFF-8611 to SFF-8639 PCIe 4.0 x4 80cm

SKU CH-1M0A-WD4RN

Connects an SFF-8611 (Oculink 4i) male port to a SFF-8639 (U.2) female NVMe SSD with PCIe 4.0 x4 bandwidth up to 64Gbps over 80cm

  • TypeAdapter Cable
  • ColorBlack
  • Length0.1
  • Terminal GenderMale-to-Female
  • SpecificationsAdapter Cable
  • PCIe 4.0 x4 delivers up to 64Gbps bandwidth
  • SFF-8611 Oculink male to SFF-8639 U.2 female adapter
  • 80cm length enables flexible chassis routing
  • Passive design requires host controller NVMe signaling
  • Gold-plated contacts with metal shells for EMI shielding

Host Interface Conversion

This adapter cable bridges an SFF-8611 (Oculink 4i) male port on a motherboard or add-on card to an SFF-8639 (U.2) female port on an NVMe SSD. It enables direct PCIe 4.0 x4 signalling up to 64Gbps while remaining fully backward compatible with PCIe 3.0 systems. The 80cm length allows flexible routing inside servers, workstations or NAS enclosures. Gold-plated contacts and full-metal shells provide EMI shielding and durable connections.

Suitable Builds and Limitations

The cable suits integrators adding enterprise U.2 NVMe drives to platforms that already expose an Oculink 4i output, such as many server boards and select high-end desktop boards. It operates plug-and-play with Windows, Linux and any OS with native NVMe 1.3 or 1.4 driver support. Buyers whose host connector is not SFF-8611, or who require an active retimer for extended distances beyond this passive design, must select a different product.

Deciding Specification

The single specification that determines fit is the host port: it must be an SFF-8611 (Oculink 4i) male interface delivering PCIe NVMe signalling. If the source port uses a different pin-out or protocol, this passive cable will not function regardless of drive compatibility.

Highlights

  • PCIe 4.0 x4 delivers up to 64Gbps bandwidth
  • SFF-8611 Oculink male to SFF-8639 U.2 female adapter
  • 80cm length enables flexible chassis routing
  • Passive design requires host controller NVMe signaling
  • Gold-plated contacts with metal shells for EMI shielding

Specifications

BrandST-JY
TypeAdapter Cable
ColorBlack
Length0.1
Terminal GenderMale-to-Female
SpecificationsAdapter Cable

Questions about this item

Will the SFF-8611 Oculink 4i male connector work with my PCIe 3.0 motherboard port?

Yes, the cable is fully backward compatible with PCIe 3.0 systems while supporting up to 64Gbps on PCIe 4.0 x4 lanes.

How can I verify the adapter cable is functioning correctly after connecting my NVMe U.2 SSD?

The SSD should appear in your OS drive manager or BIOS without extra drivers; Windows, Linux and other systems with native NVMe 1.3 or 1.4 support will detect it automatically.

Does the 80cm cable include any power adapters or mounting brackets for the U.2 drive?

No, the package contains only the passive SFF-8611 male to SFF-8639 female adapter cable; power and mounting for the U.2 SSD must be sourced separately.

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