TB3-S2 Thunderbolt 3 M.2 Dual-bay Docking Station 1. Material: aluminum alloy 2. Output interface: Thunderbolt 3 input/output interface 40Gbps x 2; DP interface 1.4 x 1; USB3.1 Gen 2 x 1; USB3.1 Gen 1 x 2; USB3.1 Gen 2 Type-C x 1; headphone output /microphone combination holder x 1 3. Power supply: 24V5A 120W external power supply 4. method: M.2 SSD method 5. Support system: Windows / for Mac 6. Transmission rate: 40Gbps 7. SSD support capacity: 4TB 8. Stable performance and fast transmission speed 9. Support daisy chain expansion, can expand to connect 6 Thunderbolt 3 devices 10. Support built-in NVMe/NGFF SSD expansion 11. Gigabit Ethernet port provides a more stable network environment, supports backward compatibility, does not drop frames, and does not lose packets 12. The 3.5mm standard audio port is compatible with most audio devices on the market 13. Quad-core heat dissipation design, fast play without getting hot 14. Dimensions: 188x95x24mm