The SFF-8611 4X R/A Female Connector with Board is a high-speed OCuLink PCIe x4 rear-facing connector engineered for enterprise storage systems, NVMe SSD architectures, high-performance servers, and data-center-grade computing platforms. Designed according to the SFF-8611 industry standard, this connector supports four PCIe lanes (x4) and is fully compatible with PCIe Gen4 and PCIe Gen5, enabling data transfer rates up to 128 Gbps. Its rear-facing / right-angle (R/A) design with integrated PCB allows efficient horizontal signal routing, reduced vertical height, and optimized AIrflow—making it ideal for high-density, space-constrained system layouts. Built with high-temperature thermoplastic housing and precision gold-plated contacts, the connector ensures excellent Signal Integrity, low insertion loss, corrosion resistance, and long-term mechanical reliability in continuous-operation environments.
Rear-Facing (R/A) Connector Design
Optimizes PCB and enclosure space utilization
Simplifies Cable Routing in dense server and storage systems
Improves airflow and thermal management
High-Speed PCIe x4 Interface
Supports PCIe 4.0 & PCIe 5.0
Up to 128 Gbps bandwidth for NVMe SSDs and high-speed storage modules
Stable performance for latency-sensitive applications
Integrated Board for Secure Mounting
Enhances mechanical stability
Reduces installation complexity
Ideal for mass production and consistent assembly
Gold-Plated Contacts for Signal Integrity
Reduced signal attenuation at high frequencies
Reliable performance over hundreds of mating cycles
Rugged Industrial-Grade Housing
Insulation against dust, humidity, and vibration
Suitable for 24/7 enterprise and industrial environments
Tool-Free Latching Mechanism
Quick installation and maintenance
Prevents accidental disconnection in rack-mounted systems
The SFF-8611 4X R/A Female Connector with Board is widely used in applications requiring high-speed, space-efficient PCIe connectivity, including:
Enterprise Storage Systems & Data Centers – NVMe SSD to host interconnects
High-Performance Servers & Compute Clusters – Dense PCIe architectures
Cloud Infrastructure & Storage Backplanes
AI, Machine Learning & Edge Computing Systems
Industrial Automation Controllers – Stable PCIe connections in harsh environments
Its rear-facing structure makes it especially suitable for high-density layouts where space, airflow, and signal integrity are critical.
A: Rear-facing design reduces vertical height, improves airflow, and enables cleaner cable routing in compact server and storage systems.
A: Yes. It fully supports PCIe Gen4 and PCIe Gen5 standards with data rates up to 128 Gbps.
A: Absolutely. It is widely used in NVMe SSD backplanes and enterprise storage systems.
A: It is engineered for hundreds of mating cycles while maintaining stable electrical performance.
A: Yes. Custom PCB layouts, pin configurations, and mechanical options are available upon request.
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