PCIe 3.0 x4 Male to U.2 SFF-8639 Down R/A SSD Extension Cable

The PCIe 3.0 x4 Male to U.2 SFF-8639 Down R/A SSD Extension Cable is a high-performance connectivity solution designed for enterprise servers, storage systems, and workstations that require flexible and space-efficient U.2 NVMe SSD integration . This cable features a direct electrical extension from a standard PCIe 3.0 x4 host slot to a U.2 (SFF-8639) SSD interface with a Down Right-Angle connector, optimizing cable routing in high-density chassis and server racks . Engineered to deliver the full bandwidth of PCIe 3.0 without signal degradation, this solution enables efficient placement of high-speed NVMe solid-state drives while supporting maximum data transfer rates for demanding storage applications .

Features

• Direct PCIe 3.0 x4 Interface: Provides a seamless electrical connection from a PCIe x4 slot to a U.2 SSD, supporting data rates up to 8 GT/s per lane .
• Space-Optimized Design: Down Right-Angle (Down R/A) U.2 connector facilitates clean cable management and efficient use of space in constrained server configurations .
• High-Speed Performance: Supports PCIe 3.0 specifications with a total bandwidth of up to 32 Gbps, ensuring maximum performance for NVMe SSDs .
• Enhanced Signal Integrity: Precision engineering with controlled impedance and low-loss materials ensures stable operation and minimal signal degradation at high speeds .
• Robust Construction: Features high-quality conductors, shielding for protection against interference, and latching connectors for a secure and reliable connection .
• Broad Compatibility: Supports the NVMe standard protocol and is compatible with U.2 NVMe SSDs operating on the PCIe interface; backward compatibility with PCIe 2.0/1.0 devices may be supported, but performance will be limited to the lower specification .
• Flexible Deployment: Ideal for integrating U.2 SSDs into systems where direct mounting is not feasible.

Specifications

• Host Connector: PCI Express 3.0 x4 Male (typically with an x16 mechanical form factor, open-ended)
• Device Connector: U.2 (SFF-8639) 68-Pin Female with Down Right-Angle orientation 
• Supported Standard: PCI-SIG PCIe 3.0 Base Specification 
• Data Rate: Up to 8.0 GT/s per lane (PCIe 3.0) 
• Total Bandwidth: 32 Gbps (x4 Lanes) 
• Impedance: 85? ±10% 
• Cable Type: Shielded Twisted Pair (STP)
• Cable Length: Common options include 0.5m, 0.8m, and 1.0m
• Operating Temperature: -40°C to +85°C 
• Durability Rating: Minimum of 5,000 mating cycles

Applications

• High-Density Server Racks: Perfect for 1U/2U servers where space optimization and cable routing are critical .
• Storage Array Expansion: Enables connection of U.2 NVMe SSDs to server backplanes or expansion units .
• Data Center Infrastructure: Suitable for hyperscale environments requiring reliable high-speed storage connectivity .
• Enterprise Storage Systems: Ideal for large-scale deployments integrating U.2 SSDs into existing infrastructure.
• Test and Development Labs: Useful for validation environments requiring flexible interface configuration and compatibility testing .
• Workstation Storage Solutions: Allows professional workstations to integrate enterprise-grade U.2 NVMe SSDs for high-performance workloads.
• Legacy System Upgrades: Facilitates the addition of modern U.2 NVMe storage devices to servers with available PCIe slots .