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Main image of 50cm OCuLink SFF-8611 Male to SFF-8639 Female U.2 U.3 NVMe SSD Adapter Cable with 15Pin SATA Power, PCIe 4.0/5.0 X4 High-Speed Storage Interconnect Wire for Motherboard, Workstation, Rack Server Enter

Alt view image 2 of 5 - 50cm OCuLink SFF-8611 Male to SFF-8639 Female U.2 U.3 NVMe SSD Adapter Cable with 15Pin SATA Power, PCIe 4.0/5.0 X4 High-Speed Storage Interconnect Wire for Motherboard, Workstation, Rack Server Enter

Alt view image 3 of 5 - 50cm OCuLink SFF-8611 Male to SFF-8639 Female U.2 U.3 NVMe SSD Adapter Cable with 15Pin SATA Power, PCIe 4.0/5.0 X4 High-Speed Storage Interconnect Wire for Motherboard, Workstation, Rack Server Enter

Alt view image 4 of 5 - 50cm OCuLink SFF-8611 Male to SFF-8639 Female U.2 U.3 NVMe SSD Adapter Cable with 15Pin SATA Power, PCIe 4.0/5.0 X4 High-Speed Storage Interconnect Wire for Motherboard, Workstation, Rack Server Enter

Alt view image 5 of 5 - 50cm OCuLink SFF-8611 Male to SFF-8639 Female U.2 U.3 NVMe SSD Adapter Cable with 15Pin SATA Power, PCIe 4.0/5.0 X4 High-Speed Storage Interconnect Wire for Motherboard, Workstation, Rack Server Enter

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50cm OCuLink SFF-8611 Male to SFF-8639 Female U.2 U.3 NVMe SSD Adapter Cable with 15Pin SATA Power, PCIe 4.0/5.0 X4 High-Speed Storage Interconnect Wire for Motherboard, Workstation, Rack Server Enter

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OCuLink SFF-8611 male to U.2/U.3 SFF-8639 female interface for NVMe SSD conversion
Built-in 15Pin SATA power line provides stable power for high-power Gen4/Gen5 NVMe SSDs
Supports full PCIe 4.0/5.0 x4 bandwidth, no speed loss under heavy continuous read-write loads
Double shielding design suppresses EMI interference for 24/7 industrial and server operation
50cm moderate length with reinforced connectors, plug-and-play for compact internal chassis wiring

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This 50cm OCuLink to U.2/U.3 conversion cable is a dedicated internal storage wire designed to connect motherboard SFF-8611 OCuLink ports with SFF-8639 U.2 and U.3 NVMe solid-state drives. An independent 15Pin SATA power branch is attached to eliminate underpower problems of high-consumption enterprise NVMe SSDs.

Made of oxygen-free copper conductors and double-layer shielding, the cable preserves full PCIe 4.0 and PCIe 5.0 x4 transmission performance, avoiding signal attenuation, packet loss or unstable connection during large-capacity data processing. The 50cm cord length balances wiring flexibility and neat layout, suitable for small workstations, compact rack servers and DIY high-performance PC builds.

Every connector is molded with thick strain relief to prevent wire breakage caused by repeated disassembly. Fully compliant with SFF industrial specifications, no driver or complicated setup is needed. Ideal for data center storage expansion, video editing workstations, industrial storage arrays and replacement of aged original server cables.

Additional Information
First Listed on Newegg	July 29, 2026

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Return for refund within: 30 days
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This item is covered by USA-LXY Return Policy

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Item#: 9SIC4P5M1R3870