PCIe 4.0 x4 Male to x8 Female Extension Cable, 85-ohm Low Impedance

The PCIe 4.0 x4 Male to x8 Female Extension Cable is a high-performance interconnect solution designed for expanding PCI Express connectivity in modern computing systems. This cable provides a reliable electrical pathway from a motherboard's PCIe 4.0 x4 slot to an x8 expansion card interface, maintaining signal integrity while offering flexible installation options. Engineered with precise 85-ohm impedance characteristics, this extension solution is ideal for various high-speed devices including storage controllers, network adapters, and specialized computing cards requiring stable PCIe 4.0 performance in extended configurations.

Features

• Full PCIe 4.0 Compliance: Supports data transfer rates up to 16 GT/s per lane, delivering total bandwidth of 64 Gbps while maintaining backward compatibility with PCIe 3.0 devices
• Optimized Impedance Matching: 85-ohm low impedance design ensures minimal signal reflection and maximum power transfer efficiency at high frequencies
• Enhanced Signal Integrity: Multi-layer shielding with individual pair protection and overall braid shielding minimizes EMI/RFI interference
• Secure Connection Design: High-quality connectors with gold-plated contacts and secure latching mechanisms ensure reliable mating and vibration resistance
• Universal Compatibility: x8 female connector accommodates various expansion cards while operating electrically as x4 lanes, providing broad device compatibility
• Flexible Application Support: Suitable for storage controllers, network adapters, and specialized computing cards in diverse environments
• Robust Construction: Durable cable jacket and strain relief features provide long-term reliability in continuous operation

Specifications

• Host Connector: PCI Express 4.0 x4 Male
• Target Connector: PCIe x8 Female (electrically x4)
• Supported Standard: PCI-SIG PCIe 4.0 Base Specification
• Data Rate: 16.0 GT/s per lane
• Total Bandwidth: 64 Gbps (x4 lanes)
• Characteristic Impedance: 85? ±5%
• Cable Type: Shielded twisted pair with overall braid protection
• Cable Length: 200mm, 250mm, 300mm standard options
• Operating Temperature: 0°C to +70°C
• Storage Temperature: -40°C to +85°C
• Durability Rating: 10,000 mating cycles
• Contact Current Rating: 0.5A per pin

Applications

• Server Storage Expansion: Ideal for connecting storage controllers and RAID cards in rack-mounted servers and storage systems
• Network Infrastructure: Perfect for network interface cards and security processors in networking equipment and data centers
• Test and Development Environments: Essential for hardware validation labs requiring flexible card positioning and frequent device changes
• Industrial Computing Systems: Suitable for industrial automation equipment requiring reliable PCIe extension in controlled environments
• Telecommunications Equipment: Supports expansion cards in telecom infrastructure requiring high-speed connectivity
• Embedded Solutions: Facilitates expansion capabilities for embedded systems and single-board computers
• Broadcast Equipment: Enables professional audio and video card integration in broadcast environments
• Custom Computing Projects: Provides flexibility for unique system configurations and specialized computing applications