Features: Support 20Gbps fast speed transmission, support NVMe interfaces, provide fast and stable transmission experience. Small size for external SSD Suitable for office workers and game enthusiasts who need to expand storage space or backup data. Provides efficient storage and transmission solution for a variety of devices and operating systems. Professional users who need fast speed transfer and storage Can be used for storage and transfer on laptops, desktops, tablets and other devices Specifications: Case Material: Aluminium Alloy Case Product Colour: Iron Gray Support capacity:4TB External Interfaces: Type-C Main Control Chip: RTL9220 Transfer speed: 20Gbps (USB3.2 gen2x2) Support HDD: NGFF+NVME m.2 HDD Universal Product net weight: 2242 length about 35g/ 2280 length about 52g Package Includes: 1PC SSD Enclosure note: Due to problem of lighting effect, there might be tolerances in product, please understand. Please allow 0-2mm error due to manual measurement.