UGREEN CM841 Mac mini M4/M4 Pro 11-in-1 NVMe M.2 Dock 10Gbps
Model: UGREEN CM841. New, Opened, Unused. A: No — this is the dock/enclosure. It supports M-Key and B+M Key as stated on the box. Type: USB-C multifunction expansion dock (11-in-1) for Mac mini (M4 / M4 Pro).