Features: Made of durable aluminum alloy, this enclosure provides optimal protection for your M.2 SSD. Supports dual dock M.2 Dual Protocol / M.2 NVMe x2 / M.2 SATA and M.2 NVMe / M.2 SATA x2 (optional) Better heat dissipation for the hard drive during operation and extends the hard drive's lifespan. Tool-free installation, quickly install and remove SSDs without tools. Plug-and-play, no additional driver required Specifications: Material: Aluminum alloy Supported capacity: 4TB x 2 Product size: approx 113x76x16mm / 4.45x3.0x0.63in Interface: TypeC Transfer speed: 10Gbps / 5Gbps Types: Supports M.2 Dual Protocol x2 / M.2 NVMe x2 / M.2 SATA and M.2 NVMe / M.2 SATA x2 (optional) Note: Due to issues with light reflections and photography angles, there may be slight tolerances in the product, please understand. Please allow 0-1cm error due to manual measurement. Package includes: 1 SSD enclosure