I suspect that later, when all will be stabilized, that you will try a linear ps on the ER. Probably Uptone lps? At least it seems a more logical further step than another switch right now.
Possibly correct - a PS upgrade later.
But the existing bundled supply is plenty good enough with my system right now.
Run-in and stabilization seems very important - and set it up like another bit of HiFi on its own substantial shelf and dress the feeds. I hear all of these aspects as very important to make the switch really perform.
DB.
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Very sensible DB, you wouldnāt want to potentially compromise something you have fine-tuned and is working well by adding another unknown variable like a new switch.
Glad to hear you are getting such great results, although it is surprising the ER switch has such a dramatic and extended run-in period.
Review here of the SoTM switch https://audiobacon.net/2019/04/05/sotm-snh-10g-audiophile-ethernet-switch-review/amp/
I use an Innuos Zenith into nDAC. If I disconnect the Ethernet cable I canāt hear a difference. I could listen for hours once music is queued. My system is very revealing. I tried NDX and didnāt think it offered an improvement over nDAC. Maybe my 8-10m Cat5e is good along with one Cisco 2960.
The old Streaming architecture was not as good as the new. I canāt see any reason why I should put myself to the cost and effort to making these streamers work!
No help for those in the predicament and I can see that much progress has been made in this thread.
Phil
I just got notification that my new custom length Designacables 6a with floating shield have been shipped. I have been using the same cable, but with 1.5 meter lengths, and I am going to tidy up my setup so I donāt have dangling cables about the setup. Also ordered a couple of LPSās for ER and Nucleus+.
Which LPSs have you gone for?
I wanted the HD Plex 200 watt unit, with 19vdc and 12 vdc outputs. It would have been ideal for the Nucleus+ and the ER, but they were sold out and no indication when they might have any.
So I went for the Zerozone 100 VA 19V Ultra Low Noise LPS Linear Power Supply from the bay, rated at 4.2 amps. Also Zerozone 100 VA 12V Ultra Low Noise LPS Linear Power Supply from the bay, rated at 6 amps. Rarely do this sort of thing, taking the risky road, the upside is large and its a lot cheaper this way. If they donāt work out, I can always use another dc power supply for something in my astronomy pursuit.
Video review on comparing ER switch, Boen, Aqvox.
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@Peder, all is fine? You are busy probablyā¦
Just installed Cisco 2960 in place of Netgear GS105. Definitely better. Just my view. Thanks to all who went before me, much appreciated. 
Quite amazed actually.
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Speaking of return on investment:
I tried the eR and sent it back. ZERO difference. So I took $210 of the $640:
For my audio setup I picked up a Cisco 2360 with 48 10/100/1000 copper and 4 10GB SFP+. $65
PCI-E 8x SFP+ Card for $25. SFP+ optics were $18 per, 15 meter Single Mode OM3 LC<>LC were $12 per.
Dell R620 2 GBe copper 2 SFP+ Broadcom based daughter card was $20.
For $210 I went completely optical. Where as with the eR I was limited to 11.5MB/s Iām now getting 332MB/s. And I have an isolation moat on both ends of 15 meters.
I can transfer a typical 16/44.1 CD in two seconds.
With Jriver using memory playback it literally caches the entire song in something like 80ms.
As a test I took a CD and concatenated all the wav files into one file, started play back and quicker than I could pull the cable from the back of the computer JRiver cached the entire album and I was able to listen to it without the cable plugged in.
I use Audirvana, and it also loads files fully into memory before playing (and the RAM in my Mac Mini can hold about an album-long high res fileā¦) so you can disconnect network if you want before playing. (I donāt need to as my files are stored on the MM itself).
From my experience Tidal will cache the entire track as well. This is why I question all the superlatives assigned to switches. Itās the playback application that controls all of this. If itās simply setting aside RAM to copy the entire PCM or DSD file and playing back from there then the only thing the network is doing is satisfying the need to copy the data.
I think the faster the better.
Thatās great. Does the music sound any better to you as a result of the changes? If so, in what ways?
Best regards, BF
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How could it? Does the music that you copy to your local storage sound different if it goes over one switch or another?
What happens if I install the Realtek sound mixer, shunt a mirrored digital stream to my DAW virtual stereo input and capture it to PCM there?
I had the eR, Iāve had four different high priced Ethernet cables (Nordost, Supra, AQ, WW). Theyāve all done the job of transmitting bits and thatās about it.
Hi codacrome,
Oh, so it if all made no difference to the quality of sound, why did you go to all that trouble to make so many changes? I must be missing something.
Best regards, BF
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Because I can. Also itās my day job. In 2019 I designed Switch/Route (OSPF, IGMP, PIM, AES67, SNMP, 802.1x, RPVST, CoS, DSCPā¦) to the tune of 18,000 edge ports and 1000 Wireless Access Points.
Also for $210 how could I resist? Itās pretty cool to see a bog standard Celeron 3150N put 332MB/s on the wire. Thatās a $69 embedded CPU mainboard.
Also using one of those for my PFSense box with AES-NI offload and I can get 101MB/S over itās Open VPN server. Not bad for a box I put together for $240.
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Great answer- it is obviously a hobby / pastime
CK
These shall be terminated tonight,.then burn-in and then connected to a Cisco 
.