Product Positioning & Applications
This PCIe 5.0 MCIO x4 to U.2 SFF-8639 cable is a high-performance, multi-protocol connectivity solution designed for enterprise storage and data center environments. It connects motherboards/expansion cards to U.2 NVMe SSDs, supporting both PCIe 5.0 and SAS 4.0. Standard length is 100cm/3.3ft, with a 50cm/1.6ft variant available for different layout needs.
Specifications & Compatibility
Connector A: Straight MCIO 4i (SFF-TA-1016 38Pin) Male; Connector B: Straight U.2 SFF-8639 68Pin Female. Supports PCIe 5.0/SAS 4.0 with up to 128Gbps data transfer rate. Integrated power delivery with 15Pin power line for U.2 SSDs. RoHS compliant, designed for indoor use.
Construction & Performance Advantages
Built with high-quality PBT outer material for durability and long-term use. The slim MCIO connector and optimized shielding design ensure minimal signal loss and crosstalk, maintaining excellent signal integrity even in dense server environments.
Installation & Usage Notes
Male-to-female design for direct connection between host and storage devices. The cable includes an integrated power line to supply stable power to U.2 SSDs, eliminating the need for separate power cables and simplifying installation in server chassis.
Package Contents & Enterprise Support
Package includes: 1 x PCIe 5.0 MCIO x4 to U.2 SFF-8639 Cable. We provide factory direct bulk supply, OEM/ODM customization (including custom lengths) and 12-month warranty service, making it ideal for large-scale data center and enterprise storage deployments.
Product information
| Brand | LetLinkSo |
| Connector Type | Straight Mcio 4i (Sff-ta-1016 38 Pin), Straight U.2 (Sff-8639 68 Pin) |
| Cable Type | PCIe 5.0 \ SAS 4.0 |
| Compatible Devices | External Storage Devices, Motherboards, Storage Expansion Cards, U.2 NVMe SSDs |
| Special Feature | Compact and Efficient, Integrated Power Deliver, Multi-Protocol Support, Optimal Signal Fidelity, Ultra-Fast Speeds |
| Other Special Features of the Product | Compact and Efficient, Integrated Power Deliver, Multi-Protocol Support, Optimal Signal Fidelity, Ultra-Fast Speeds |
| Connector Gender | Male-to-Female |
| Data Transfer Rate | 128 Gigabits Per Second |
| Number of Pins | 68 |
