PCIe 4.0 X4 to U.2 SFF-8639 NVME SSD 700mm Cable

. Overview:

The PCIe 4.0 X4 to U.2 SFF-8639 NVMe SSD cable is a specialized interconnect designed for high-performance storage solutions. This cable enables the connection of an NVMe SSD, utilizing the U.2 (SFF-8639) interface, to a PCIe 4.0 X4 slot on a motherboard or expansion card. With a length of 700mm, this cable is optimized for enterprise and consumer systems that demand fast, reliable data transfer rates, ideal for gaming, data centers, and high-performance computing (HPC) environments.

2. Cable Construction:

Cable Length: 700mm (70 cm)

Connector A: PCIe 4.0 X4 (4 lanes)

Connector B: U.2 SFF-8639 (NVMe SSD interface)

Wire Gauge: 30 AWG (optimized for high-speed data transmission)

Cable Type: Shielded twisted pair (STP) for minimizing interference and maintaining signal integrity

Sheath Material: Flexible PVC (Polyvinyl Chloride) outer jacket for durability and ease of installation

Color: Typically black for professional-grade appearance

3. Connector Specifications:

PCIe 4.0 X4:

Interface Standard: Complies with PCI Express 4.0, offering up to 64 Gbps bandwidth across four lanes.

Form Factor: Standard PCIe edge connector for compatibility with motherboard or expansion card slots.

Contact Plating: Gold-plated contacts to ensure low resistance and high reliability over extended use.

Retention Mechanism: Secure latching design for stable connections during operation.

U.2 SFF-8639:

Pin Configuration: Supports the 68-pin configuration of the U.2 interface, designed for NVMe SSDs.

Interface Standard: SFF-8639 (U.2) connector supporting NVMe, SAS, and SATA interfaces.

Retention Mechanism: Secure locking mechanism to prevent accidental disconnection.

Contact Plating: Gold-plated contacts for enhanced conductivity and long-term durability.

4. Performance Characteristics:

Data Transfer Rate: Supports PCIe 4.0 speeds, providing up to 16 GT/s per lane (64 Gbps total) for ultra-fast data transfer, ideal for high-performance NVMe SSDs.

Signal Integrity: Advanced shielding techniques to reduce electromagnetic interference (EMI) and ensure stable, error-free signal transmission.

Operating Temperature Range: -20°C to +80°C, allowing operation in a wide range of environmental conditions.

Impedance: 85 ohms ± 10% to maintain signal integrity over the cable length.

Latency: Extremely low latency for high-speed storage applications, critical in environments requiring quick access to large datasets.

5. Applications:

High-Performance Storage: Connects NVMe SSDs to motherboards or controllers in systems requiring fast storage access, such as gaming PCs and workstations.

Data Centers: Suitable for server environments where NVMe drives are deployed for rapid data processing and retrieval.

High-Performance Computing (HPC): Ideal for HPC clusters that require fast, reliable access to storage for data-intensive tasks.

Enterprise Servers: Used in enterprise-grade servers for connecting high-speed NVMe SSDs to PCIe slots, enhancing overall storage performance.

6. Compliance and Certifications:

RoHS Compliance: Free from hazardous materials, conforming to environmental and safety standards.

UL Certification: Certified by Underwriters Laboratories for safety and reliability.

REACH Compliance: Meets the requirements of the European Union's REACH regulation, ensuring the cable's chemical safety.

7. Installation and Usage:

Ease of Installation: The 700mm length is designed to provide flexibility in routing the cable within different system configurations, allowing for optimal cable management.

Secure Connections: The latching mechanisms on both connectors ensure a stable connection, preventing accidental disconnections during system operation.

Flexibility: The PVC jacket provides sufficient flexibility for routing in tight spaces without sacrificing durability.

8. Environmental Considerations:

Durability: The cable is built to withstand regular handling and environmental factors such as heat and humidity, ensuring long-term reliability.

Heat Resistance: Designed to maintain performance across a range of temperatures, ensuring stability in environments with fluctuating thermal conditions.