Specification Brand DoonjieyName USB4 Thunderbolts Hard Drive CaseMaterial Aluminum magnesiumAlloyColor Grey BlackDimensions 97mm x 42mm x 20mmCable Length 50cm USB4 Type C CableCompatibility Thunderbolt3 4 USB 3 2 3 1 3 0 2 0Features 1 40Gbps High Speed Data Transmission Achieve transfer speeds up to 40Gbps significantly reducing waiting times 2 Dual Chip Integration Equipped with high end dual controllers JHL7440 RTL9210 to enhance performance and compatibility 3 Large Storage Capacity Supports hard drives up to a maximum of 8TB offering extensive storage options 4 Efficient Heat Dissipation Constructed with an all aluminum alloy body and metal heat dissipation channels to prevent overheating 5 Broad Compatibility Compatible with Windows for Mac OS Linux and Android systems ensuring plug and play functionality 6 Sturdy Construction Crafted with premium materials for reliable and lasting usage Package Includes 1 x Hard Drive Case1 x 50cm USB4 Cable