TechPowerUp checked out the Terra Master TD2 Thunderbolt 3 Plus DAS
A quote from the article:
The TD2 Thunderbolt 3 Plus offers plenty of features at a good price. Overall performance is good as well, and the option to cheaply increase the storage through USB 3.1 ports is great. If you require speedy external storage, make sure to pair it with two SSDs to get the most out of it.Terra Master TD2 Thunderbolt 3 Plus DAS Review