Blackmagic Design UltraStudio Recorder 3G

Name: Blackmagic Design UltraStudio Recorder 3G
Brand: Blackmagic Design

Here is a closer look at Blackmagic Design UltraStudio Recorder 3G.

About

A pocket-sized broadcast recorder, distinct from the newer "Express Recorder 3G" — connects over Thunderbolt 3 rather than USB-C 40Gbps, capped at 1080p60 uncompressed with SDI and HDMI inputs.

Max resolution: 1920x1080@60Hz
Requires DisplayLink driver: No

Ports: 1× HDMI (entrada), 1× SDI 3G (entrada) and 1× Thunderbolt 3 (conexión al host, alimentado por el propio puerto)

Confirmed with

Notebook (generic)
Some users report the device failing to start up consistently on Windows 11 laptops, while working reliably with the same cable on an Intel-based MacBook Pro.