PCIe 4.0 x1 to x1 Extension Cable, Male STR to Female Down R/A

The PCIe 4.0 x1 to x1 Extension Cable, Male STR to Female Down R/A is a high-performance passive extension cable designed for next-generation computing systems, data centers, and space-constrained environments. This cable extends a PCIe 4.0 x1 interface using a straight (STR) male connector on one end and a down right-angle (Down R/A) female connector on the other, enabling reliable data transmission between a host motherboard and PCIe devices (e.g., network cards, GPUs, or storage controllers) while optimizing space utilization. The down right-angle female connector facilitates efficient cable routing beneath obstacles or along chassis walls, reducing bending stress and minimizing obstruction in dense systems. Engineered to maintain PCIe 4.0 signal integrity at up to 16.0 GT/s, this solution is ideal for applications where physical constraints necessitate low-profile connector positioning and high-speed performance.

Features

• Hybrid Connector Orientation: Combines a straight (STR) male connector for standard motherboard insertion and a down right-angle (Down R/A) female connector to enable low-profile cable routing under components or along chassis bases, minimizing obstruction in cramped spaces and improving airflow in high-density setups.
• PCIe 4.0 Compliance: Supports PCIe 4.0 specifications with a data transfer rate of 16.0 GT/s per lane, providing a bandwidth of ~1.969 GB/s for x1 configurations while ensuring backward compatibility with PCIe 3.0/2.0/1.0 devices.
• Enhanced Signal Integrity: Utilizes precision-engineered twin-axial cables (85-ohm impedance, as required for PCIe 4.0) with multi-layer shielding (foil and braid) to minimize insertion loss, crosstalk, and electromagnetic interference (EMI), ensuring stable performance at high speeds over extended lengths.
• Passive Extension: Requires no external power or active components, relying on high-quality copper conductors (e.g., 31 AWG, common for PCIe 4.0 applications) and precise impedance matching to maintain signal integrity.
• Durable Construction: Incorporates gold-plated contacts (e.g., min. 0.76µm thickness, per PCI-SIG standards) and robust insulation materials (e.g., PVC) for corrosion resistance and longevity. The down right-angle connector includes a reinforced housing to withstand mechanical stress in commercial environments.
• Plug-and-Play Installation: Requires no drivers or software configuration, supporting hot-plug functionality (where enabled by the host system) for seamless integration.

Specifications

• Product Model: PCIe 4.0 x1 to x1 Extension Cable, Male STR to Female Down R/A
• Connector A: PCIe 4.0 x1, Male, Straight (STR)
• Connector B: PCIe 4.0 x1, Female, Down Right-Angle (Down R/A)
• Connector Gender: Male to Female
• Cable Type: Passive Copper Extension Cable
• Cable Length: Standard options: 0.25m, 0.5m, 1.0m (Custom lengths up to 1.8m available; beyond may require active components)
• Data Rate Support: Up to 16.0 GT/s (PCIe 4.0)
• Supported Protocols: PCI Express 4.0/3.0/2.0/1.0
• Impedance: 85 ohms (differential, compliant with PCIe 4.0 standards)
• Wire Gauge: 31 AWG (high-precision copper, typical for PCIe 4.0 twin-axial cables)
• Shielding: Foil and braid shielding for EMI protection
• Operating Temperature: 0°C to +70°C (commercial grade); -40°C to +85°C (industrial options)
• Voltage Rating: 12V (max)
• Durability: Minimum 500 insertion cycles
• Safety Standards: RoHS compliant

Applications

• Space-Constrained Systems: Ideal for small form-factor PCs (SFF), embedded systems, and industrial environments where the down right-angle female connector allows clearance under adjacent components or chassis walls, simplifying installation in low-clearance scenarios such as compact servers or IoT devices.
• Test Benches and Prototyping: Facilitating hardware debugging and prototyping where flexible connector orientations are needed to access PCIe slots in crowded test setups or development platforms, reducing cable clutter and enabling real-time signal validation.
• High-Density Data Centers: Deploying in servers and storage systems where PCIe 4.0 extensions are required for add-on cards (e.g., NICs, accelerators), with the down right-angle design optimizing cable routing in cramped racks and improving thermal management.
• Gaming and Workstation Customization: Enabling GPU or add-on card placement in custom PC builds where case design or cooling solutions require low-profile connections to avoid interference with other components, such as large GPUs.
• Mining and Computational Setups: Providing flexible connections for multiple PCIe 4.0 devices (e.g., FPGAs, ASICs) in mining rigs or computational clusters, where the down right-angle orientation helps manage cable clutter and maintain signal integrity at high speeds.
• Legacy System Upgrades: Extending PCIe 4.0 capabilities to older systems with obstructed slots, where the down right-angle design ensures compatibility with unique chassis layouts and limited vertical clearance.