Satechi's USB-C hub can hold an SSD if you have more money than ports - The Verge
Buy Satechi Type-C Stand & Hub with SSD Enclosure – Fits M.2 SATA SSD, USB-C Data Port, Micro/SD Card Readers, USB-A & Headphone Jack Port - Compatible with Mac Studio, 2020 Mac
Satechi USB-C Mobile Pro Hub SD | Megamac
Satechi 4-Port USB-C Hub review: Add USB-C ports to Mac or iPad
The best USB-C hubs for iPad | Macworld
Satechi USB-C Type-C Pro MicroSD SD Card 2x USB 3.0 Hub - Space Grey | Trade Me
Wavlink WS-UH3031GC USB-C 3.1 4 Ports USB Hub | FORTRESS
Buy Satechi Type-C Stand & Hub with SSD Enclosure – Fits M.2 SATA SSD, USB-C Data Port, Micro/SD Card Readers, USB-A & Headphone Jack Port - Compatible with Mac Studio, 2020 Mac