With minimal footprint that barely extends beyond the 2230 SSD it’s designed for, curved trace layout, and a CNC-milled case, this board sets a high standard for a DIY Thunderbolt implementation.
Another thing to take note of is whether the SSD connects via Thunderbolt 4 or 3, and USB 4 or USB-C, USB 3 or USB 3.2×2. The latter ... pocket or into a carrying case alongside your MacBook ...