PCIe 4.0 x16 Male to x8 Female Extension Cable, 85-ohm Low Impedance

The PCIe 4.0 x16 Male to x8 Female Extension Cable is a high-performance interconnect solution designed for modern computing environments requiring flexible PCIe slot configuration and optimal signal integrity. This cable provides a reliable electrical pathway from a motherboard's PCIe 4.0 x16 slot to an x8 peripheral device interface, enabling versatile system configurations while maintaining full PCIe 4.0 performance. Engineered with 85-ohm low impedance characteristics, this extension cable ensures superior signal integrity for data center, enterprise, and high-performance computing applications where asymmetric lane configuration and reliable signal transmission are essential requirements.

Features

• Asymmetric Lane Configuration: Bridges PCIe 4.0 x16 host interface to x8 device interface, providing flexible connectivity options for various expansion cards
• Full PCIe 4.0 Performance: Supports data rates up to 16 GT/s per lane, delivering maximum available bandwidth for connected x8 devices
• Precision 85-ohm Impedance: Low impedance matching ensures minimal signal reflection and maximum signal integrity at high data rates
• Enhanced Signal Integrity: Multi-layer shielding construction provides excellent protection against electromagnetic interference and ensures stable data transmission
• Secure Connection System: Robust connectors with reliable mating mechanisms ensure stable operation in various system configurations
• Universal Compatibility: Supports connection between x16 host interfaces and x8 peripheral devices across various computing platforms
• Space-Optimized Design: Flexible cable construction allows for easy routing in dense server configurations

Specifications

• Host Connector: PCI Express 4.0 x16 Male
• Target Connector: PCIe x8 Female
• Supported Standard: PCI-SIG PCIe 4.0 Base Specification
• Data Rate: 16.0 GT/s per lane (PCIe 4.0)
• Total Bandwidth: 256 Gbps (x16 host), 128 Gbps (x8 target)
• Characteristic Impedance: 85? ±5%
• Cable Type: Shielded twisted pair with overall braid protection
• Cable Length: 250mm, 300mm, 500mm standard options
• Operating Temperature: 0°C to +70°C
• Storage Temperature: -40°C to +85°C
• Durability Rating: 10,000 mating cycles
• Contact Material: Gold-plated phosphor bronze

Applications

• Data Center Infrastructure: Ideal for hyperscale environments requiring flexible PCIe connectivity between different lane configurations
• Server Storage Expansion: Enables connection of x8 storage controllers and adapter cards to x16 motherboard slots in rack-mounted servers
• High-Performance Computing: Supports computational workloads requiring flexible component placement and maintenance of PCIe 4.0 performance
• Enterprise Storage Systems: Perfect for storage servers needing efficient use of available PCIe slots with optimized bandwidth allocation
• Test and Development Laboratories: Essential for validation environments requiring asymmetric lane configurations and signal integrity testing
• Industrial Computing Systems: Suitable for industrial automation equipment requiring reliable PCIe extension in controlled environments
• Network Appliance Integration: Facilitates addition of network interface cards and security processors in networking equipment
• Custom Computing Projects: Enables unique system configurations for enthusiasts and system integrators dealing with specific lane configuration requirements