Blackmagic GPU accelerator

Yes to your question the processors are: Original Blackmagic eGPU: Features an AMD Radeon Pro 580 with 8 GB of GDDR5 memory.

@kenny.bryan: Core Components & Models
Original Blackmagic eGPU: Features an AMD Radeon Pro 580 with 8 GB of GDDR5 memory.
Blackmagic eGPU Pro: Features a more powerful AMD Radeon RX Vega 56 with 8 GB of HBM2 (High Bandwidth Memory).
Connectivity & Ports
Thunderbolt 3: Two 40Gb/s Thunderbolt 3 (USB-C) ports are included, with the Pro model supporting connection to Thunderbolt 3 displays.
USB Hub: A built-in 4-port USB 3.1 Gen 1 hub for peripherals.
Display Output: HDMI 2.0 (4K output) is included on both, with the Pro model adding a DisplayPort.
Power & Cooling
Power Supply: Contains a 315W (or 400W in some models) built-in power supply that also delivers 85W of charging power to a connected MacBook Pro.
Cooling: Custom, quiet cooling system with a single large fan designed to operate at low noise levels (around 18dB).

Still Available:

AMD Radeon Pro 580 with 8 GB of GDDR5 memory.

Core Components & Models
Original Blackmagic eGPU: Features an AMD Radeon Pro 580 with 8 GB of GDDR5 memory.
Blackmagic eGPU Pro: Features a more powerful AMD Radeon RX Vega 56 with 8 GB of HBM2 (High Bandwidth Memory).
Connectivity & Ports
Thunderbolt 3: Two 40Gb/s Thunderbolt 3 (USB-C) ports are included, with the Pro model supporting connection to Thunderbolt 3 displays.
USB Hub: A built-in 4-port USB 3.1 Gen 1 hub for peripherals.
Display Output: HDMI 2.0 (4K output) is included on both, with the Pro model adding a DisplayPort.
Power & Cooling
Power Supply: Contains a 315W (or 400W in some models) built-in power supply that also delivers 85W of charging power to a connected MacBook Pro.
Cooling: Custom, quiet cooling system with a single large fan designed to operate at low noise levels (around 18dB).