Benefits / Problems buying used V3 hub

I need advice please. I have an ageing 2015 model hub. Someone near me id selling a V3 hub cheaply. Would this be a good replacement for my V2 and would there be any potential issues? Would i be better off paying £90 for a new aeotec instead? TIA

if you have z-wave devices.. you would need either the ST V3 hub or the Aeotec V3 (Smart Home Hub 1) but not the Aeotec V4 (Smart Home Hub 2) which does not have z-wave.

The V3 is a good hub so I recommend getting it. No issues with a used hub, lots of folks get them. But your choice for new or used. Only the Aeotec v3 (Smart Home Hub 1) is available as new at this point between it and the ST V3. If you find a “new” ST V3… it would be through a 3rd party at this point.

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If the SmartThings V3 has been in use then you’re unlikely to have issues. If it’s new-in-the-box you may have to jump thru some extra hoops to get its firmware updated.

And do keep in mind that the V3 has half the memory and a slower CPU as the V2.

I’m in your same boat. I’m running on a V2/2015 SmartThings hub. Almost half my devices are Z-wave so the “V4” isn’t an option.

I purchased a new V3/2018 hub from Aeotec several months ago. But I’m watching multiple forum threads about devices randomly falling offline en mass that seems to be isolated to V3 hubs. My SmartThings deployment is relatively small (95 total devices) and very stable. Just now I see doing the Hub Replace as risky.

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I switched from V2 to V3 just last week. I had some struggles to get the V3 online but that seems to have been related to my wifi router (which I didn’t actually want to use anyway, but needed during setup). I took a gamble and did a complete hub replace, and it went surprisingly smoothly. I got a warning at the end of the process that a number of devices didn’t rejoin successfully - I think they were mostly either really offline (unplugged) or devices that were exhibiting the z-wave flakiness that led me to switch in the first place. I’ve corrected around half of the problem items by now but haven’t had time to work through the last few. Overall responsiveness is back where I expected it to be, although I did start seeing some noncommunicative devices on a repair yesterday. More importantly I can finally get my Innovelli switch to configure properly, which had been holding me up from contributing to a beta test…

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Thanks for your replies guys. Ill pick it up tomorrow.

Is there something wrong with your V2 hub, other than being old? If not, then the V3 hub is not better.

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Nope. Just that. Going on eleven years so I keep expecting Samsung to abandon it.

I did finally take my Aeotec V3 out of the box and added it to my account. That will at least keep it up to date with firmware changes.

It gives me a failover in case the V2 dies. And it gives me a Thread Border Router other than the Echo 4th generation which, TBH, isn’t in a good location within the house. I don’t have any Thread devices yet but it’s just a matter of time…

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