LetLinkSo B2B connectivity solution

OCuLink Cables and Adapter Cards for SFF-8611 / SFF-8612

OCuLink cable and adapter card options for eGPU, NVMe, workstation, and server PCIe connectivity projects.

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Interface Focus

OCuLink cable and adapter configurations for technical buyers.

Applications

Servers, NVMe storage, enterprise workstations, eGPU builds, validation labs, and integration projects.

Sourcing Support

Share connector type, PCIe generation, target length, quantity, and country for quote matching.

About OCuLink Connectivity

OCuLink is commonly searched through SFF-8611 and SFF-8612 connector terms, especially for PCIe 4.0 eGPU and NVMe expansion builds.

LetLinkSo OCuLink pages group cables and adapter cards by connector type, PCIe lane count, and application so buyers can match the correct internal or external layout.

Related LetLinkSo Models

ModelProductInterfaceSpeed / ProtocolCompatibility
LLS-CB-1MC2OC-01LetLinkSo PCIe 5.0 MCIO x8 to OCuLink SFF-8611 4i CableMCIO x832 GT/sservers
LLS-CB-1MT1OC-01LetLinkSo PCIe 4.0 M.2 M-Key to OCuLink SFF-8612 / SFF-8611 4i CableM.2 M-Key64 Gbpsmini PCs, eGPU docks, GPU docks, NVMe SSDs
LLS-CB-1OC1OC-01LetLinkSo PCIe 4.0 OCuLink SFF-8611 4i to OCuLink SFF-8611 CableOCuLink SFF-8611 4i16 GT/smini PCs, eGPU docks, GPU docks, NVMe SSDs, RAID / HBA cards
LLS-CB-1OC1OC-02LetLinkSo PCIe 4.0 OCuLink SFF-8611 8i to OCuLink SFF-8611 CableOCuLink SFF-8611 8i16 GT/sservers, GPU docks, NVMe SSDs, RAID / HBA cards
LLS-CB-1OC1OC-04LetLinkSo PCIe 4.0 OCuLink SFF-8611 4i to OCuLink SFF-8611 CableOCuLink SFF-8611 4i16 GT/smini PCs, eGPU docks, GPU docks, NVMe SSDs, RAID / HBA cards
LLS-CB-1OC1OC-05LetLinkSo PCIe 4.0 OCuLink SFF-8611 4i to OCuLink SFF-8611 CableOCuLink SFF-8611 4i64 Gbpsservers, workstations, GPU docks, NVMe SSDs
LLS-CB-1OC2MA-01LetLinkSo PCIe 4.0 OCuLink SFF-8611 to Mini SAS SFF-8087 CableOCuLink SFF-861116 GT/sservers, RAID / HBA cards
LLS-CB-1OC2UT-01LetLinkSo PCIe 4.0 OCuLink SFF-8611 to SFF-8639 CableOCuLink SFF-861116 GT/sservers, NVMe SSDs, RAID / HBA cards
LLS-CD-1MT1OC-01LetLinkSo PCIe 4.0 M.2 M-Key to OCuLink SFF-8612 / SFF-8611 4i Adapter CardM.2 M-Key64 Gbps, 16 GT/sservers, eGPU docks, GPU docks, NVMe SSDs
LLS-CD-1PC1OC-01LetLinkSo PCIe 4.0 OCuLink SFF-8612 to PCIe x4 Adapter CardOCuLink SFF-861264 Gbps, 16 GT/sservers, eGPU docks, GPU docks, NVMe SSDs
LLS-CD-1PC1OC-02LetLinkSo PCIe 4.0 OCuLink SFF-8612 to OCuLink SFF-8612 Adapter CardOCuLink SFF-861264 Gbps, 16 GT/sservers, eGPU docks, GPU docks, NVMe SSDs
LLS-CD-1PC1OC-03LetLinkSo PCIe 4.0 OCuLink SFF-8612 to PCIe x1 Adapter CardOCuLink SFF-861216 GT/sservers, eGPU docks, GPU docks, NVMe SSDs
LLS-CD-1PC2OC-01LetLinkSo PCIe 4.0 OCuLink SFF-8612 to PCIe x8 Adapter CardOCuLink SFF-8612128 Gbps, 16 GT/sservers, eGPU docks, GPU docks, NVMe SSDs
LLS-CD-1PC4OC-01LetLinkSo PCIe 4.0 OCuLink SFF-8612 to PCIe x16 Adapter CardOCuLink SFF-8612256 Gbps, 16 GT/sservers, eGPU docks, GPU docks, NVMe SSDs

Related Technical Resources

What is MCIO?

Connector basics for PCIe 5.0 and 6.0 cable assemblies.

OCuLink SFF-8611 vs SFF-8612

Understand internal and external OCuLink connector choices.

EDSFF E1.S / E3.S Guide

Plan EDSFF cable and adapter sourcing for NVMe storage.

FAQ

What is the difference between SFF-8611 and SFF-8612?

SFF-8611 is commonly associated with cabled OCuLink connections, while SFF-8612 often appears on board-side or adapter layouts. Always confirm direction and host/device interfaces.

Are OCuLink products suitable for eGPU builds?

Many OCuLink products are used in eGPU and GPU dock projects, but compatibility depends on the host, dock, GPU, and power design.