Koncept Dell Performance Dock Station - Dell Docking Dual Monitor with 240W, HDMI & DisplayPort Cable - USB C
It's this Dell dock here: https://www.amazon.com/dp/B0D6WSDMRS?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_2&th=1
Refurbished but work fine. I got rid of the laptop that could use them. I don't think I have the HDMI or Display Port cables (or the microfiber cloth).
These can have different connectors to them, mine has the dual/combined USB-C as in the 3rd picture