Fast shipping and delivery, I will keep a close eye on these type of products.

We wanted a higher speed network system and needed to choose some transceivers, we didn't need a long transmission distance, so this type was just right for us. They proved to have excellent connectivity, and all metrics were within normal limits.

We've communicate with several companies before and they were not able to offer enough amount we expected. But FS.com did it. Would like to do business again with them.

The models came brand new, wrapped nicely, no damage. Using them successfully in our switches. Just a few seconds later, switches were linked and started transferring data over SMF. Overall, I'm very pleased with the purchase.

I plugged it into the switch and it was picked up soon by my device. I also used it to break the 800G into 2x 400G links. That works well too. The transfer efficiency meets my expectation. Anyway, so far no problem occurs. I‘m quite satisfied with this buying.

Worked right out of the box. Easy to plug in and no issues during running. They are competent 800G modules that connecting my switch to network via cables. Until now they still work without a hitch.

I found some information about 800G on Google, then found the FS. Though I had bought products at FS for many times, I didn't know they begin to supply 800G products. Emm, I decided to give a try for this module for our switches and placed the order.

We purchased this QSFP-DD optical module here and one switch from another vendor. The module has very good packages and has been delivered quickly, but our network switches are on the delivery way...