Sonnet offers the new eGFX Breakaway Puck RX 560 (Portable eGPU System) for $399. A savings of $50. Amazon has just lowered the price as well.
The eGFX Breakaway Puck conveniently packs with your notebook in a backpack or computer bag when you need GPU acceleration while on the road.
Connects a High Performance External GPU (built in) to Your Computer with Thunderbolt 3 Ports
Small and Highly Portable
Provides 45W of Power Delivery
VESA Mounting Bracket Kit Available
Multi-Display Graphics Dock for Ultrabooks
40Gbps Thunderbolt 3 Interface With one Thunderbolt 3 (USB-C) Port