Como novo ainda com peliculas quase sem uso, motivo da venda usado em macbook, fiz upgrade para mac studio com varias portas . Mais de dois anos de garantia com factura
Características:

Add three Thunderbolt + four USB, Ethernet, audio, and card reader

Connectivity and Convenience
Massively expand the functionality of your M1 Mac, Thunderbolt 3 equipped Mac, or Thunderbolt 4 PC with the OWC Thunderbolt Dock. Gain convenient access to portable gear, headphones, and  SD cards. Add your favorite Thunderbolt and USB devices, plus Gigabit Ethernet to your workflow… all while keeping your space free of cable clutter. 

(1) Thunderbolt 4 (USB-C) with up to 90W computer power delivery
(3) Thunderbolt 4 (USB-C)
(3) USB 3 Type-A (10Gb/s)
(1) USB 2.0 Type-A with high-power charging (BC 1.2)
(1) SD card slot
(1) Combo audio in/out jack
(1) Gigabit Ethernet

Mac OS Compatibility - macOS 11.1 Big Sur