Earlier quoted context omitted.
they make external HDD chassis that connect via USB. I don't have any experience with them so I can't comment on their reliability, but search for "ORICO 5 Bay USB to SATA Hard Drive Enclosure".
FWIW, I wouldn't recommend Orico. I don't live in the US so my options are somewhat limited but I found a local retailer that carries Orico. I've had five of them in the past five years and four died within 12-18 months. If it was just one, I'd put it down to random bad luck. But with that many failures I assume they are doing something stupid/cheap. Usually they would simply fail to power on but sometimes individual…
The Jonsbo N3 is not comparable. I own one as well (how quiet is yours? I upgraded the rear fan but my CPU fan is noisy), but it's a complete PC case, not an external HDD array.