PCIe 4.0 x8 Male to x8 Female Extension Cable, Support SMBUS, 85-ohm Low Impedance

The PCIe 4.0 x8 Male to x8 Female Extension Cable is a high-performance interconnect solution designed for enterprise servers, data center equipment, and high-performance computing systems requiring reliable PCIe 4.0 signal extension with integrated system management capabilities. This cable provides a complete electrical pathway from a host system to a peripheral device while incorporating SMBus support for enhanced monitoring and control functions. Engineered with precise 85-ohm low impedance characteristics and utilizing twin axial cable technology, this extension solution maintains superior signal integrity at PCIe 4.0 data rates while enabling advanced management features for demanding computing environments .

Features

• Full PCIe 4.0 Performance: Supports data rates up to 16 GT/s per lane, delivering total bandwidth of 128 Gbps while maintaining compatibility with PCIe 4.0 specifications 
• SMBus Support: Integrated System Management Bus functionality enables comprehensive device monitoring, status reporting, and management capabilities
• Precision 85-ohm Impedance: Low impedance design utilizing 85 ohm twin axial cable ensures minimal signal reflection and maximum signal integrity at high-speed data rates 
• Enhanced Signal Integrity: Multi-layer shielding with continuous lengthwise shielding provides high bandwidth, resonance-free signal integrity performance 
• Space-Optimized Design: Thin flat cable construction with extremely tight bend radius allows easy routing in dense server configurations 
• Secure Connection System: High-quality connectors with reliable mating mechanisms ensure stable connections in various orientations
• Management Capabilities: SMBus implementation allows for temperature monitoring, power management, and device status reporting
• Folding Capability: Cable can be folded or simply routed to peripheral cards, enabling unique packaging designs in space-constrained environments 

Specifications

• Host Connector: PCI Express 4.0 x8 Male
• Target Connector: PCIe x8 Female
• Supported Standard: PCI-SIG PCIe 4.0 Base Specification with SMBus support
• Data Rate: 16.0 GT/s per lane (PCIe 4.0) 
• Total Bandwidth: 128 Gbps (x8 lanes)
• Characteristic Impedance: 85? ±5% 
• Management Interface: SMBus (System Management Bus) compliant
• Cable Type: Shielded twin axial cable with overall braid protection 
• Signal Wire Size: 31 AWG 
• Cable Length: 250mm, 300mm, 500mm standard options 
• Operating Temperature: 0°C to +70°C
• Durability Rating: 10,000 mating cycles

Applications

• Data Center Infrastructure: Ideal for hyperscale environments requiring both high-speed extension and device monitoring capabilities 
• Enterprise Server Systems: Perfect for rack-mounted servers needing flexible PCIe connectivity with management functions 
• High-Performance Computing: Supports computational workloads requiring maximum PCIe 4.0 bandwidth with system management features
• Storage System Expansion: Enables connection of storage controllers and RAID cards with comprehensive monitoring capabilities 
• Test and Development Laboratories: Essential for validation environments requiring both signal extension and management bus access 
• Industrial Computing Systems: Suitable for industrial automation equipment requiring reliable connections with monitoring capabilities
• Telecommunications Equipment: Supports network infrastructure requiring high-speed connectivity with management features
• Managed System Solutions: Enables custom configurations where device monitoring, control, and flexible component placement are critical requirements