PCIe 3.0 x4 Male to x4 Female Down R/A Extension Cable

The PCIe 3.0 x4 Male to x4 Female Down R/A Extension Cable is a passive interconnect solution designed to extend PCIe devices in space-constrained systems where direct motherboard slot access is limited. This cable maintains the full x4 lane configuration, supporting a total bandwidth of approximately 3.94 GB/s (at PCIe 3.0 speeds of 8.0 GT/s per lane) while ensuring backward compatibility with PCIe 2.0/1.0 devices. The inclusion of a Down Right-Angle (Down R/A) connector (typically on the female end) minimizes vertical profile, enabling efficient cable routing in low-clearance environments such as 1U/2U servers, compact workstations, or dense mining rigs. Engineered with impedance-controlled wiring (targeting 85 ohms differential) and multi-layer shielding, it reduces signal degradation over extended distances. Ideal for applications requiring flexible card placement without sacrificing electrical performance, this cable supports add-in cards like NVMe SSDs, network adapters, or specialized controllers.

Features

• Full x4 Lane Support: Preserves all four PCIe lanes, ensuring maximum bandwidth utilization (~3.94 GB/s for PCIe 3.0) for devices requiring x4 electrical interfaces.
• Down Right-Angle Connector: The Down R/A design directs the cable downward relative to the motherboard plane, reducing mechanical obstruction in low-profile chassis and improving airflow management.
• Enhanced Shielding: Utilizes multi-layer foil and braid shielding to minimize crosstalk and electromagnetic interference (EMI), critical for stable operation in electrically noisy environments.
• Passive Design: Requires no external power or active components, leveraging high-quality copper conductors (e.g., 28–30 AWG) for reliable signal transmission.
• Durable Construction: Features gold-plated contacts and reinforced connectors rated for ?500 insertion cycles, with strain relief to withstand mechanical stress in commercial or industrial settings.
• Flexible Length Options: Available in standard lengths from 10cm to 100cm, with custom configurations up to 1 meter for diverse routing needs.

Specifications

• Product Model: PCIe 3.0 x4 Male to x4 Female Down R/A Extension Cable
• Connector A: PCIe 3.0 x4, Male, Edge Connector (Straight)
• Connector B: PCIe 3.0 x4, Female, Down Right-Angle (Down R/A)
• Cable Type: Passive Copper Extension Cable
• Pinout: Standard PCIe-compliant, 1:1 lane mapping
• Data Rate: Up to 8.0 GT/s (PCIe 3.0)
• Bandwidth: ~3.94 GB/s (x4 configuration)
• Impedance: 85 ohms differential (target, per PCIe specifications)
• Cable Length: 10cm–100cm (customizable up to 1m; longer lengths require validation)
• Wire Gauge: 28–30 AWG (high-precision copper, low-loss)
• Shielding: Foil and braid for EMI protection
• Operating Temperature: -40°C to +85°C (industrial grade, typical)
• Durability: Minimum 500 insertion cycles
• Safety Standards: RoHS compliant

Applications

• Low-Profile Servers and Data Centers: Deploying in 1U/2U rack-mounted systems where the Down R/A connector optimizes cable routing in cramped spaces.
• Test and Development Benches: Facilitating hardware validation and debugging by providing flexible access to PCIe slots for cards like NVMe SSDs or network adapters.
• Cryptocurrency Mining Rigs: Enabling connectivity for multiple PCIe-based mining cards in densely packed configurations, leveraging the low-profile design for improved airflow.
• Embedded and Industrial Systems: Supporting PCIe expansion in ruggedized equipment requiring reliable connections in vibration-prone environments.