The Guru of 3D published a review on the Samsung T5 Portable SSD
A quote from the article:
We review the Samsung T5 Portable SSD (500GB), moving towards 64-layer V-Nand and USB 3.1 gen 2 (10 Gbps) is combines the DNA of an SSD and can reach 500 MB/sec on both reads and writes - making this a fast storage unit.Samsung T5 Portable SSD Review @ Guru3D