If you are looking for an ultra-fast external hard disk to be used directly for video editing from your MacBook Pro here is a solution that will not make you regret having chosen a laptop with a small internal disk.
Atom Pro NVMe SSD a compact "rugged" SSD unit (a removable protective cover), bus powered (powered directly by the host through the Thunderbolt port), high performance, produced by the company Glyph Production Technologies. It connects to the Thunderbolt 3 port and boasts an aluminum case with a heat dissipation mechanism.
the device complies with MIL-STD-810 specifications, a military quality standard used by the United States which highlights the resistance of the tested devices to the limit conditions to which they could be subjected during their life cycle. It resists shocks, vibrations, dust and sand.
The reading speed reaches 2,800 MB / s and the writing speed at 2,450MB / s allowing use with 4K, 8K and VR multi-stream workflows.
The unit sold in the "cuts" of 500GB, 1TB and 2TB. The dimensions are: 7.9 x 1.8 x 13.2 cm; the weight of 354 g. The drive comes initialized as HFS + but of course it can be initialized in other formats (including native Windows formats). At the time of writing The 500GB version on sale on Amazon for 339.00 euros. A product very similar to this the Samsung X5.