Sonnet eGFX Breakaway Box 550W (GPU-550W-TB3)
Brand: Sonnet Technologies

Free US tech support included

Connects High Performance GPU cards (up to 312mm x 160mm) to computers with a Thunderbolt 3 port. Also supports AVID HDX, Red Rocket-X and other x16 full-length PCIe cards (must have a Thunderbolt 3 connection, USB3C connection and Thunderbolt 2 adapters do not work)
550W power supply supports up to 375W card (up to 8-pin + 8-pin power connectors), and provides up to 87W of Power Delivery to charge a laptop.
Breakaway Box 550 has one Thunderbolt 3 port, includes a 0.5m 40Gb Thunderbolt 3 cable
Mac: Supports AMD RX 470,480,570,580/Vega 56 on Thunderbolt 3 Macs with macOS High Sierra (Boot Camp not supported). macOS supports two Breakaway Boxes.
Windows: Supports NVIDIA GTX 1060,1070,1080,1080ti/Titan X, Xp,V/Quadro P4000,P5000,P6000 or AMD Radeon RX 570,580/Vega 56/WX 5100,7100 on Thunderbolt 3 computers with Windows 10.