PCIe 4.0 x4 to U.2 SFF-8639 Female Adapter

PCIe 4.0 x4 to U.2 SFF-8639 Female Adapter

The PCIe 4.0 x4 to U.2 SFF-8639 Female Adapter is a high-performance interface conversion card designed for enterprise storage systems, data centers, and high-performance computing environments requiring flexible, high-speed NVMe storage connectivity. This adapter converts a standard PCIe 4.0 x4, x8, or x16 slot into a U.2 SFF-8639 female interface, enabling seamless integration of 2.5-inch U.2 NVMe SSDs into desktop and server platforms. The U.2 interface, defined by the SFF-8639 specification, is a hardware interface that supports multiple SSD interface technologies including PCIe, SAS, and SATA, and is used primarily for connecting high-performance NVMe SSDs in enterprise storage arrays. Engineered with a precise PCIe 4.0 interface, it supports data rates up to 16 GT/s per lane, delivering approximately 64 Gbps total bandwidth for x4 configurations. The vented full-profile bracket and large PCB cutout enable optimal airflow and heat dissipation, ensuring reliable performance under sustained workloads. With universal operating system compatibility and plug-and-play installation, this adapter is ideally suited for enterprise data centers, server deployments, and high-performance workstations requiring flexible U.2 storage connectivity.

Features

• U.2 SFF-8639 Female Interface: Features a U.2 enterprise-grade female connector compliant with the SFF-8639 specification, supporting 2.5-inch U.2 NVMe SSDs up to 15mm in height. The SFF-8639 connector can support one SATA port, two SAS ports, or up to four lanes of parallel I/O in PCIe SSDs.
• PCIe 4.0 x4 Interface: Delivers full x4 lane bandwidth at 16 GT/s data rates, providing approximately 64 Gbps total bandwidth while ensuring backward compatibility with PCIe 3.0/2.0/1.0 slots. Compatible with PCIe x4, x8, and x16 slots for flexible installation.
• Optimized Thermal Management: Features a vented full-profile bracket and a large cutout in the PCB that allow for better airflow and heat dissipation, helping to maintain optimal and reliable performance while avoiding thermal throttling.
• Universal Compatibility: Works with all major operating systems including Windows, Windows Server, and Linux without requiring additional drivers or software.
• Hassle-Free Installation: Pre-installed full-profile bracket and included drive mounting screws enable direct connection of a U.2 drive to a PCIe slot without the need for a drive backplane or additional cables.
• Enterprise-Grade Reliability: Designed for 24/7 operation in demanding server environments with UL94-V0 rated PCB material and robust construction for maximum reliability.
• LED Status Indicator: Features an onboard LED indicator providing clear visual status for power and drive operation.

Specifications

• Product Model: PCIe 4.0 x4 to U.2 SFF-8639 Female Adapter
• Host Interface: PCIe 4.0 x4 (compatible with x8, x16)
• Target Interface: U.2 SFF-8639 Female
• Supported Drive Types: 2.5-inch U.2 NVMe SSDs
• Maximum Drive Height: 15mm
• Data Transfer Rate: Up to 16 GT/s per lane (approximately 64 Gbps total bandwidth)
• Supported Protocols: NVMe, PCI Express 4.0/3.0/2.0/1.0
• PCB Material: UL94-V0 rated
• Included Bracket: Full-profile (pre-installed)
• Included Accessories: Drive mounting screws
• Operating Temperature: 0°C to +70°C
• Dimensions: 15.4cm x 9cm x 1.5cm
• Weight: 62g
• LED Indicator: Yes
• MTBF: 21,693,912 hours
• Safety Standards: RoHS, WEEE compliant
• TAA Compliant: Yes
• Warranty: 2-year limited warranty

Applications

• Enterprise Data Centers: Deploying high-performance U.2 NVMe storage in enterprise server environments, enabling flexible and scalable storage expansion for data-intensive workloads.
• Server Infrastructure: Adding U.2 NVMe SSD capabilities to existing servers with available PCIe slots, eliminating the need for a dedicated drive backplane or additional cables.
• High-Performance Computing: Supporting scientific computing and research applications requiring high-speed storage access and low-latency data retrieval.
• Database Acceleration: Providing high-performance storage for database applications requiring low-latency access and high throughput for transaction processing and analytics.
• AI/ML Workloads: Delivering high-performance storage for artificial intelligence and machine learning applications requiring rapid access to massive datasets.
• Cloud Infrastructure: Supporting storage expansion in cloud and hyperscale computing environments with reliable, high-performance U.2 NVMe connectivity.
• Workstation Storage: Enabling creative professionals to add enterprise-grade U.2 storage to workstations for video editing, 3D rendering, and content creation workflows.
• Legacy System Upgrades: Modernizing existing infrastructure by adding U.2 NVMe storage capabilities to systems that lack native U.2 support.

ADP-P4X4-U2F

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