Fits 8 7mm U. 2/U. 3 NVMe SSDs into a single external 5.25" device bay ^^ PCIe 4.0 x4 interface per drive, up to 64Gbps (host dependent) ^^ Compatible with Tri-mode HBA/RAID cards (NVMe mode only) ^^ 4 SlimSAS 8i (SFF-8654) host connectors (2 drives per connector) ^^ Full-metal construction for maximum durability and heat dissipation ^^ Dual 404020mm fans with optimized airflow design ^^ Front-mounted LED indicators for power and activity per drive ^^ PCIe 8-pin power input for all eight SSDs ^^ EMI grounding design for signal integrity in high-speed PCIe 4.0 applications ^^ Backed by an Industry-leading 5-year limited warranty against all defects