The price does not correspond to the capabilities, taking into account real prices (and with a 5-year warranty) for internal drives of the same capacity and class.
For $350 in 2023, a 16TB external drive must have RJ45 at 2.5Gbps and perform basic NAS functions. Why is the manufacturer asking more than $100 for the case and a cheap chip adapter with sata-usb 3.0+, which on Ali costs $2-3 and works just as reliably? Maybe there's a cooler there? But again, it's no more than $10. Why another 80$ and with a 2.5 times reduced warranty?
Anyone, if not an idiot, can easily buy a regular OEM 16TB Enterpise class HDD with a 5-year warranty for $230-250 and insert it into a $20-30 case with a fan and the same USB3.0+. And in case of problems with the disk, he will be able to submit a warranty request or return the money after 4.5 years, and not a maximum of 2...