ADATA, the second-largest maker of DRAM memory modules, is also one of these vendors.
Here are some specifications for this drive.
It measures just 80 x 80 x 15.2 mm.

To be specific, it can survive falls from up to 1.22 meters.
This meets the U.S. Military MIL-STD-810G 516.6 standard.
That is to say, this external SSD is fairly tough and rugged.
Specifically, you might transfer a 5GB Full HD movie in only 26 seconds.
And it uses USB 3.1 interface that is backward compatible with USB 2.0.
It can operate well in temperature: 5-50C / 41-122F and its operating voltage is DC 5V, 900mA.
Additionally, it offers a 3-year warranty.
Final Words
Unlike hard drives, SSDs are perfect as external storage add-ons.
If you are interested in this ADATA SD600Q external solid-state drive, you could purchase one.
And the exact availability and prices may vary by region.