
GearBox Installation Guide

SAPPHIRE GearBox Installation Guide
Thank you for purchasing the SAPPHIRE GearBox Thunderbolt™ 3 External Graphics Solution. This guide
describes the installation procedure and includes other important information about the SAPPHIRE GearBox.
Make sure your device is equipped with Thunderbolt™ 3 functionality.
Installing the Graphics Adapter.
Remove the SAPPHIRE GearBox from the
1
packaging. Undo the 4 screws as shown in the
diagram and open the top cover of the
GearBox.
Place the graphics adapter into the SAPPHIRE
2
GearBox and plug into the PCI-Express x16 bus.
Please make sure the graphics adapter is
carefully and correctly installed as shown.
Tighten the two screws to secure
3
the graphics adapter as shown.
For those graphics adapters that need additional
4
external power consumption, the SAPPHIRE GearBox
offers additional connectors through the power
supply. Please carefully plug the external power
cables securely into the graphics adapter’s power
connectors as shown

If needed, a graphics adapter support
5
bracket is available to securely fix the
graphics adapter as shown.
Securely close the top cover of the SAPPHIRE
6
GearBox using the same 4 screws. Please make
sure they are tightened properly. You are now
ready to proceed with connecting the SAPPHIRE
GearBox to your system.
Make sure your device is equipped with Thunderbolt™ 3 functionality.
There are two suggested methods to identify if your device is equipped with Thunderbolt™
Check your device’s manual.
1
Check if the connect features the Thunderbolt™ logo as per below:
2
Name Icon Product Placement
ComputerThunderbolt™ 3
Ensure that your device’s drivers and firmware are up-to-date, and download the latest graphics card
driver support for AMD XConnect
Visit your device’s vendor website and check for the latest Thunderbolt™ driver and firmware information.
1
Visit SAPPHIRE’s website (www.sapphiretech.com) to download the latest Graphics Driver to support
2
AMD XConnect™ Technology.
™ Technology