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I recently purchased a Cisco Nexus 3064-X with 48 10Gbps SFP+ ports. I needed something that would allow me to connect a FreeNas sever with 2 10Gbps RJ45 Nics to my new switch. I took a chance and purchased four of these and quality CAT8 Cables to ensure I would have a solid 10Gbps link to the new switch. These have worked flawlessly so far. I now have two 10Gbps links to my FreeNAS server and I used the other two to connect my pfSense Router to the Nexus using LACP. The pfSense router does not have 10Gbps Nics but it had no problems negotiating a 1Gbps link to each port in the LAG. More time will tell if these are rock solid but so far so good.
TLDR: I have four of these in my Cisco Nexus 3064-X. So far I have had zero problems.
If you run out of ethernet ports on your switch and you have sfp fiber ports this will work for you. Why I bought them was to speed up my network. I did not need them for extra ports. I bought 4 ethernet to fiber converters from Amazon thinking it would fix my bandwidth problem. It did help just a little. I converted ethernet to fiber and back to ethernet with this HiFiber adapter. If you are running a lot of HD video streams from YouTube or IP cameras and you are running out of bandwidth on your ethernet cables you should use strictly fiber optic to connect your switches.
Even now I have no problems with them. I have stopped using them because it did not fix my problem. If I ever need an extra port on my switch I will use them again.
Quick install. No configuration needed. 1 gigabit speeds.
downgrades your 10 gigabit sfp fiber ports to 1 gigabit speeds. Other than that their is none.
I bought 2 of these 8 months ago, one of them just died. I expected a longer life for a Transceiver working in my house, but it is still on 24x7. Let's see how long the 2nd one last. I ordered another brand to replaced this defective one, but I'm sure they are all made in China, maybe even the same facility. 3 days later, The 2nd one died. However, I upgraded the OS to (184.108.40.206) in the "Netgear GS110TP" switch, re-enabled the SFP's and both are working again. So I updated my rating for now.
I looked at a few SFP modules for my router on Amazon that were in the same price range. The products all appeared to be identical except for their branding. Physically they looked identical. So I decided to go with the least expensive of the group. A little over a week later, there are no issues to report. The module works flawlessly. For the price, there is no risk to try it.