Product Positioning & Applications

This PCIe 5.0 MCIO x8 to dual SFF-8639 U.2 cable is developed for enterprise servers and storage systems. It is widely used for storage expansion and high-speed data transmission, ideal for scenarios requiring large-capacity U.2 NVMe SSD deployment. Cable length: 40cm (1.3ft).

Specifications & Compatibility

Comes with 1x straight male MCIO X8 (SFF-TA-1016 74pin) and 2x straight female SFF-8639 U.2 ports. 8 lanes design reaches up to 32 GT/s transfer rate, equipped with 15Pin SATA power interface. It complies with PCIe 5.0 and SAS 4.0 standards, backward compatible with PCIe 4.0/3.0/2.0/1.0. Compatible with motherboards, storage expansion cards and U.2 NVMe SSDs. Adapter card is not included.

Construction & Material Advantages

Adopting industrial-grade materials and professional shielding structure, the cable effectively suppresses electromagnetic interference and signal loss. Optimized internal structure guarantees steady performance, adapting to long-term running in server rooms and data center environments.

Installation Notes

Plug-and-play without extra drivers, easy to implement batch installation. Connect MCIO port to host device, SFF-8639 ports to NVMe SSDs and link 15Pin SATA cable to power supply. This cable features integrated power delivery to provide stable power for dual U.2 SSDs and ensure continuous operation. It is only applicable to matched compatible devices.

Customization & Bulk Procurement

We support customized solutions on cable length, pinouts and interfaces, and offer favorable terms for bulk orders with professional technical support. This listing is for 1.3ft (40cm) version. We also have 0.5ft and 2.1ft variants in stock: 0.5ft is for short-distance internal wiring of compact servers; 2.1ft is fit for cross-position connection inside large server cabinets. All products pass rigorous quality tests to meet unified standards for large-scale enterprise deployment.

Product Specifications:

Connector A: 1 x Straight Male MCIO X8

Connector B: 2 x Straight Female U.2(SFF-8639)

Data Transfer Rate: Up to 32 GT/s

Lanes: 8

Power Supply: 15Pin SATA

Compliance Standards: SCSI (SAS), PCIe Gen5

Compatibility: PCIe 5.0,4.0,3.0, 2.0,1.0

Note: For use with compatible devices only. Adapter card not included.