That sounds like this year’s version of the GigaFoil.
I emailed about the product: edison@ediscreation.com.
He provides pricing in Hong Kong dollars. When I bought, I believe it was around $900 for the standard version and double that for the extreme. The latter supposedly offers better soundstage and dynamics.
@Tony22 I’m not familiar with the GigaFoil, so I can’t offer any comment.
A unit like Fiberbox II is a good way to do it. It should be as effective as a direct link. Congradulations!
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Yes.
Switch =>UTP-cable => Fiber converter => Fiber-cable => Fiber converter => UTP cable =>Streamer
(Fiber is 5 feet long)
After playing with different switches with different power supplies, different ethernet cables and sm mm fibers and modules from different vendors, My experience is they all make a small difference. The important part is to learn what you are looking for.
Some of my sfp modules makes a certain solo pinao recording more woody sounding, another module would make the same track sound like the way I think it should sound.
I consider switches, networks cables etc topping for your choice of icecream, it makes a tiny tweeny difference, but since we are talking about highly resolving systems, these differences gets amplied by the mere fact that we can hear them. Then gets amplified again in a forum like this when we need to let the world know that these things matter.
After the initial excitement, at least for me, I liked my system before all these tweaks, I like it now, and I will like it in the future. And I definitely think it sounded better than before, or so I told myself.
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Agreed! The different Fiber optic cables and modules make small difference.
My Optoscan fiber optic cable and modules (SM) will arrive tomorrow. I will compare with Corning and Finisar I am using now to see how much difference there is.
Do you mean Optospan?
Oh yeah, I did not check my order. It is Optospan. 
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I’m going to bet you’ll like finisar better 
I’m a firm believer in the Innuous PhoenixNET switch which I feed with an EtherREGEN from my router…
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I noticed a small but worthwhile improvement when replacing a Netgear switch with an EtherREGEN.
I also arrange my network like so:
The key is to keep the music server and streamer as isolated as possible from the router and the rest of the network. In fact, once I have started a playlist, I can disconnect the router from the EtherREGEN achieving complete isolation of the music server/streamer from the general network. It’s the AirLens of networking 
Obviously this only works for locally streamed files…
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I have a MUON Pro feeding my EtherREGEN. It feeds my NAS, Grimm MU1, and BACCH-SP. I am supposed to use it just on the MU1 but it seems nice feeding all three. Can’t say I can hear it, but no complaints.
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I have an LHY-SW8 feeding an INNuos ZENith MkIII, the affect is subtle, but it did open up the top end slightly offering a very slight improvement in a sense of space. YMMV. At some point I’d like to try an Innuos Phoenix Net.
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Bought an EE8 for £450, sold it for £375. It was a short experience and cost me £75 to “been there, done that”.
The LHY-SW8 is not exactly rocket science, but looks to do everything you would want in an audiophile switch for very little money compared to other offerings - nice power supply, good clock, good isolation.
Does anyone know why word clocks are necessary in a switch? Doesn’t the signal get “clocked “ further down the line at the streamer or DAC, with a conceivably better clock? Are the effects of multiple clocks cumulative? Or does the best clock win in the chain?
My personal experience is the “audiophile” Ethernet switch helps, but the degree of improvement depends on your system. Reading from other online discussions and you will find most like it in the chain. However, for some top line systems (such as Al’s), the switch may be less effective.
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Can’t answer the first couple question, no idea. but when you see multiple clocks on the board, they aren’t necessary multiple clocks, they are likely clocks with different frequencies doing different jobs from the same manufacture.
Better clocks with better specs lowers phase noise, hence lower jitter, that’s what they say. But after playing with clocks in my diy streamer, my ears agree.
I’m happy with it as it offered a subtle improvement.
Fair question, don’t know. I hear an improvement and can’t say it is the clock alone, my guess is its the power supply.