I’m just amazed this really basic requirement hasn’t been implemented as yet. Another disappointed DX260 user here, who can’t download anything to the device…
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Just got a DAP to use Roon Arc mainly and was devastated not to be able to choose the sd card. It’s one of those things that messes up my idea of going full Roon OTG.
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I agree that this is a staggering problem.
I was excited, amazed, and buying into this ecosystem throughout my trial. I had already ordered my Nucleus, and was getting ready to go Lifetime. I’ve installed the app across my audio setup, looked at upgrading my home internet connection — and am now seriously reconsidering all of it.
My DAP -the reason I want Roon in the first place- has only limited internal memory, does not have mobile internet, is locked down in terms of Android installation, and won’t allow me to use the trick mentioned above. I have a 1TB micro-SD in the device, and it is useless. I can’t use ROON to access the files on the card, and ROON can’t put files it can access on it either.
In other words, relying on Roon has gone from an exciting and inspiring solution to somehow being a guarantee I won’t get to bring the music I like with me. I am seriously considering sending back the Nucleus when it arrives. I don’t think I’ve ever gone from “truly amazed, will tell all my friends” to “deeply disappointed, glad I haven’t started raving about it yet” as fast as this on any service or product - and the fact that its over something as obvious as this is insult to injury.
I guess I’m just very sad about this. It’s so rare that you find a well-considered, beautiful solution like this for any problem nowadays, and it is just staggering to me that it fully falls apart over a feature most student apps have.
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Tuned on Force apps to SD on Samsung S20, reinstalled ARC, but ARC still only shows internal storage 
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My sub expires in October. Will wait until then. Every player I have used has this, except Roon Arc.
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I would be very interested also. DAPs don’t have 5G connectivity, and their internal memory is often small (mine has 32GB, minus 15~18 GB for the system). So unless I can store more music on an external storage via Smart Download, RoonARC is not an ideal solution.
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Just bought a shiny new Walkman. I’m amazed you can’t put Arc music on the SD card. Roon is becoming more useless to me.
What’s the point of Arc if I can’t listen to my music on a DAP? They all come with next to no storage. Now I have two libraries, what a mess.
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Same experience with my new DAP. Arc needs to be able to locate smart downloads on an sdcard
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Bumping this thread. I have a FIIO player with a SD card. The internal storage isn’t large enough for the lossless files. This feature is sorely needed - it’s unfortunate that there’s been no traction since this was opened in 2022.
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I am in a similar situation to most of you—using a Fiio DAP player with 64 GB of internal storage. Roon Arc doesn’t make sense without an external storage option on these types of devices, which have limited internal space and no direct 5G connection.
It’s not so difficult to add this, but people have been waiting for years.
In my case, it will be a reason to think about renewing my subscription next time.
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I was travelling last week with my Fiio M23, in a place without internet, and was unable to make use of Roon Arc because I’m unable to download to SD Card. It’s easily the most frustrating thing about Roon given that it’s a fairly easy feature to introduce and has huge value to users. The fact that Roon have ignored this feature request for years indicates that those suggesting Roon don’t care about their users may have a point.
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Every other music app that I use on my Android FiiO device supports storing downloads on the SD card.
This feature request is now old enough that it’s walking, eating whole food, and starting to talk in complete sentences. What’s the holdup, @roon?
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I’m sad to say that I’ve reached the point where I’m entirely re-evaluating a solution to my music needs without Roon. Not being able to bring my own music on my own device via my own network defeats the purpose of Roon entirely. I’ll sit out the rest of my subscription period, but 3.5 years for this feature is a very disappointing pill to swallow: for how perfectly Roon solves my issues when it is working - Roon isn’t built for travelers that care about hifi like me, doesn’t want people with my profile, and I will just have to be OK with that and no foul by Roon honestly. If anyone has found a better solution since, send me a message?
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This is truly a major shortcoming of the app. I have lots of music that I would like to download to my phone when I travel. I realize that Roon Arc is designed to allow for remote access, but we may need to be able to play offline (on an airplane, in limited connectivity, bandwidth or usage constrained) or simply prefer knowing that the files are readily available without having to wait to have a connection.
The thought of requiring that all the music be stored on the phone’s internal memory rather than on an external device (I have an iPhone, so I can’t use the SD card option listed above), is extremely limiting.
It is VERY surprising that it has been requested, and that Roon has been silent on it, for so long.
I have just caught up on this thread. In the end I sold my DAP as without the ability to use the SD card it was useless to me.
Its ridiculous this isnt supported, roon seem out of touch at times.
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It was almost perfect. I was so close to buying that lifetime subscription until I saw this. Oh well, back to plexamp I go.
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Added my vote. I’m shocked this isn’t an option already considering it was supposedly a high priority item three years ago:
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::: I 
Roon :::
I just bought a FiiO M23 specifically to use with Roon ARC when I’m out and about, mainly for offline listening. Only now do I discover that I have to live with a total of 64 GB usable storage. That is just… wow.
It really feels like Roon’s investment in ARC has come at the cost of progress on other long-requested features—some of which I personally care a lot about. And then there’s this storage limitation, which was already prioritized back in 2022, and yet still seems to be sitting somewhere deep in the pipeline waiting for… someone?
Holy smoke, indeed.
I’ve added my vote—if that helps at all. At this point, it honestly feels like nobody really knows when or if this will be addressed. Thats my feeling though … would have been interesting to hear from Roon marketing staff why/what and how this sits in the 
/ backlog…
That said… i will (need to) adapt … and maybe give Smart Download another chance.
::: I Still Roon :::
+1 - this honestly seems like a no-brainer, and I can’t see why this isn’t just rolled into the next release. It shouldn’t introduce much technical debt bringing it in, and will resolve a significant amount of user dissatisfaction. Any devs able to reply to this to advise why this can’t easily be done / what the 3+ year resolution time is caused by? Thanks for an otherwise awesome piece of software though 
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This is the type of feature that could be vibe coded with Claude in an hour. It’s a low-hanging fruit problem that has so many examples for how to implement that any junior level dev fresh out of college could do this in their sleep. Roon choosing not to implement this after 3+ years is them basically telling us that they have given up on ARC.
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