10Gtek 10GBase-SR SFP+ Transceiver, 10G 850nm MMF, up to 300 Meters, Compatible with Intel E10GSFPSR, Pack of 2

This is an excellent little transceiver, and it fired up instantly when I plugged it into an Aruba 1930 switch, which quickly noticed it wasn't an Aruba component. It left a "non-compliant SFP inserted" error in the log, and the error beacon began flashing and has done so ever since. The transceiver, however, is working perfectly. Since the switch is in a closet, I don't care which lights blink as long as it's working. The transceiver has provided error-free gigabit service since it was installed. Very nice quality.

Works perfectly every time. Never fails with at least 50 in the field. I had one that was programmed for the wrong type of switch and they replaced it for free.

Had a generic Fiberstore SFP+ that didn't work in my Intel X520-2P NIC, but this one does. Bonus that this was a better deal and it comes in a neat little metal box.

Model: AXS85-192-M3, labeled as HPE/Aruba compatible.Works with my two Aruba Instant-On 1930. It was plug & play. Now I have 10G between my two network cabinets.I would purchase again.

--- Update 12.17.2018---I had a pleasant and very professional conversation with 10Gtek. They immediately offered me a full refund. Their engineering team managed to replicate the problem and are currently investigating. Once the problem is fixed I will update the overall rating to 5 stars.--- Review ---I am having a strange problem with these transceivers and I have no explanation. If you have any idea please share.I have two computers directly connected with these transceivers via 1m fiber cable.Computer "A" is Dell Precision workstation with Intel X520-DA2Computer "B" is Supermicro X9DR7 with Intel X520-DA2Every time "B" gets restarted or powered on, the audio on computer "A" stutters for 1 second and at the same time the picture freezes. It is the most noticeable when watching youtube videos. This happens a second or two after you press the power button on computer "B" - in other words it has nothing to do with the OS on computer "B". On "B" I am running XenServer and I am passing through X520-DA2 to one of the VMs. The moment I power on this particular VM the problem appears again - the sound stutters and the picture freezes for a second on computer "A". I did dozens of restarts and power ons/offs and got really frustrated. The moment I unplug the fiber cable from the transceiver and there is no stutter. I don't even have to unplug the transceiver from the network card. The moment I plug the fiber cable back in and the problem returns. Although the 10Gb communication works between both computers and although I will not be restarting the server very often, the stuttering audio and frozen picture is unacceptable for me.After a month I decided to see what will happen if I use Passive Direct Attach Copper cable. Got one from the same seller (10Gtek) and same length - 1m. And to my surprise I no longer can reproduce the issue. It looks like the DAC cable solves my problem. The question is why?Unfortunately I cannot return the transceivers since one month has already passed. I will gladly update the review and the rating if someone gives me an explanation and a solution.