Hi,

I'm not sure where to post this question, since I haven't been able to find a subreddit about this specific topic, so I hope it's alright to post it here, since I've seen some similar thread.

I would like to buy a new USB to RS232 adapter, since the ones I've tried so far, which all have Prolific chips, doesn't work as expected for me. I'll mostly be using the adapter at 9600 baud, but will occasionally be using it at 57600 baud for firmware updates to a unit, which the program does by looking for a 16550 port, and going to 57600 baud if it finds one.

I've looked at the StarTech ICUSB2321F and the Eaton Tripp Lite Keyspan, which both look good, but I'm unsure which one is best?

My main problem with the adapters using Prolific chips was that it often seemed to give much lower transfer speeds than what is possible with 9600 and 57600 baud. I've read a lot of good things about the Keyspan, and I like that the USB cable is apparently detachable. It also appears to have the fastest transfer speeds, but I've seen some claim that it doesn't always works with older Dos programs that tries to detect 16550 ports, which is what I'll be using. Other than Dos, I'll mainly be using it with Windows 7 and Windows 10.

Has anyone here tried or compared both products? What should I do?

Thank you.