80CM SFF-8643 Mini SAS HD to SFF-8639 U.2 NVMe SSD Cable with 15Pin SATA Power Supply PCIe 3.0 4.0 X4 High Speed Internal Server Storage Cord for RAID HBA Controller NAS Workstation Hard Drive Expansi

This internal Mini SAS HD SFF-8643 to U.2 SFF-8639 NVMe SSD conversion cable is 80 centimeters long, specially designed for enterprise-level storage expansion on servers, NAS devices and high-performance workstations.

One end is equipped with a standard SFF-8643 Mini SAS HD male plug to connect to RAID controllers, HBA expansion cards and server mainboards with SFF-8643 ports. The other end is an SFF-8639 U.2 female interface that directly plugs into 2.5-inch U.2 NVMe solid state drives. A separate 15-pin SATA power branch is attached to provide stable and sufficient power input for the NVMe SSD, eliminating the trouble of additional power wiring.

The cable supports full PCIe 3.0 and PCIe 4.0 x4 transmission protocols, unlocking the full read and write speed potential of U.2 NVMe hard drives. Adopting high-purity copper core and multi-layer electromagnetic shielding structure, it effectively avoids signal attenuation and crosstalk caused by dense wiring inside the case, ensuring long-term reliable operation under continuous high-load working conditions.

Compact overall structure and moderate 80cm length help optimize internal airflow of the chassis and keep the hardware layout tidy. Widely used for DIY server disk arrays, NAS storage upgrading, industrial workstation high-speed storage deployment and IT equipment hardware renovation projects.