Features: 1. Suitable for with for Thunderbolt 3 or Thunderbolt 4 interface.<br>2. Easy to use product has user manual.<br>3. Compatible with most mainstream graphics cards<br>4. Support reverse charging<br>5. The dual Thunderbolt interface supports daisy chaining and comes with SFX and ATX brackets, making it easy to install the graphics card, power supply and base together.<br>Description: <br>1. Interface: Thunderbolt3/4<br>2. Speed: 40Gbps<br>3. Daisy chain: supported<br>4. Power supply: ATX/SFX/FLEX/others<br>5. Graphics card size: unlimited<br>6. Other features: USB 3.0 expansion support<br>7. PD charging: support (Max Max 20V3A@60W)<br>8. USB function: USB: 5V2A/Type-C: 5V3A<br>version: 60W / 85W <br>Note: <br>Graphics Card And Power Supply Not Included<br>Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use<br>Material: ABS+metal<br>colour: As Shown<br><br>Package Contents: <br>1 x Graphics Card Expansion Dock<br>1 x SFX Bracket<br>2 x Support Base<br>2 x Screws<br>1 x ATX Bracket<br>1 x Thunderbolt Data Cable<br>1 x Screwdriver<br>1 x Chinese and English instructions<br>Only the above package content, other products are not included.<br>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.