Mounted both FS receivers, plugged in fibre optic cables & recognized immediately without issue. Used two of these in my NVidia/Mellanox MCX512A-ACAT card, loaded Win OF2 driver v23.7, updated firmware to 16.35.3006 for workstation use. Service was prompt & timely.
Cheers

We explicitly chose FS because we know you are usually able to ship next day, which is highly appreciated.

5/5 stars, excellent

If our other vendors were as speedy as FS, I would have better feedback for you =) So far, so good!

Well for me, I can only say that your customer service has been Extraordinary considering your in China and we are in the United Kingdom.The service has been 10 Stars out of 5!!!

The product turned out to be perfect for us and of excellent quality and easy to install.