1pc 100G SR QSFP28 Multimode Module 100GBASE-SR4 850nm 100m DOM MPO-12/UPC MMF Optical Transceiver Support 4 x 25G-SR Compatible with Juniper JNP-QSFP-100G-SR4, Arista/Brocade/Dell SFP-100G-SR4 ect.

took me long, but i got a 100g switch to test this. i had no issue with it. it talk just fine to other 100g module. i think i'm able to get 100ish gbps. i had other bottleneck i have to deal with. but so far, so good. no issue.

Good value for a 100 gigabit homelab environment. Currently $38, easy to justify when expanding my use of 100 gigabit Ethernet at home with an older Arista 40/100 switch. If you're expanding faster than I am, the four-pack of this item is an even better deal. No complaints or issues so far.

works and I'm keeping for a rainy day when I need it

As a SR (Short Reach) transceiver, I was aware that this module would have some limitations. While it performed well in my short reach (PLEX NAS to HomeLab server) application, I was disappointed to find that it's high power consumption and limited distance capabilities might make it unsuitable for my longer-distance multi-mode fiber connections. Additionally, the cost of replacement modules if/when they fail can be a significant concern. Overall, if you're looking for a reliable transceiver for short reach applications, this module delivers. However, buyers should carefully consider their specific needs. I gave 4 stars, but - IJS

This fits the QSFP28 port just fine, easy in and out, and spits out four 25g pairs into an 8 fiber MPO cable. Signal was clean and strong. Worked without fiddling or configuration.

Decent component, decent build. A good value for the right price.

tested working on my 100G Card and eye test also looks good. At this price it can beat the FS brand. Hopefully it can last long. Also, did eye