So you would like to get more out of your Mac Mini? The ANIMAIONIC docking station can help. It has space for two graphics cards and 4 SSD drives. It has an aluminum construction and matches the design of your Mac Mini.
This docking station adds 2 PCIe extension slots to your Mac Mini. It has a SD card reader built-in. With four M.2 disk drive slots, you can add NVMe SSD drives with up to 8 TB. Like what you see? You can find this project on Kickstarter.