I'm on the lookup for TB4 dock myself. Caldigit stuff is out of stock. Stumbled upon this promising cheap alternative https://www.aliexpress.com/item/1005001486

I'm on the lookup for TB4 dock myself. Caldigit stuff is out of stock. Stumbled upon this promising cheap alternative https://www.aliexpress.com/item/1005001486390431.html?spm=a2g0o.productlist.0.0.73ad3426eYmARm&algo_pvid=a954c1cf-5949-43c4-9ad0-49c417e12848&algo_exp_id=a954c1cf-5949-43c4-9ad0-49c417e12848-0&pdp_ext_f=%7B%22sku_id%22%3A%2212000016384641782%22%7D&pdp_pi=-1%3B109.0%3B-1%3B-1%40salePrice%3BUSD%3Bsearch-mainSearch https://www.aliexpress.com/item/1005001486390431.html?spm=a2... that is a little north of 100$ and has m2 slot. Not sure if drives dual 5k displays, but it seems it should.