SonicWall - SFP28 transceiver module - 25GbE - 25GBase-SR - up to 100 m - 850 nm

Product Overview

AI-generated summary

For £307.82 ex-VAT, this SonicWall SFP28 25GbE SR module is a pretty reasonable choice **if** you already run SonicWall gear and want it to “just work” without messing around. The big practical benefit of SR optics is that it’s ideal for short-reach, high-bandwidth links in the same rack/cable run area—think server-to-switch, switch-to-switch in a data hall where you’re well under the distance ceiling. In day-to-day reseller reality, the main value here is compatibility confidence: SonicWall’s own modules tend to be less headache than random third-party optics when you’re trying to avoid flaky link negotiation or support tickets.

That said, I wouldn’t buy this blindly if you don’t need 25GbE *and* you’re not in a short fiber environment. If you’re buying “just because” or you’re unsure about distance/cabling, you’ll pay more than you need—or worse, end up with optics you can’t use. Also, if you’re open to it, some third-party compatible optics can be cheaper for non-critical paths, but in managed, security-focused setups (where uptime and predictable support matter), paying for the SonicWall-branded piece often feels like good insurance rather than overspending.

**Who should buy:** teams standardising on SonicWall switches/firewalls and needing reliable 25GbE short-reach fiber links with minimal integration risk. **Who shouldn’t:** anyone with unclear link distances, mixed-vendor optics policies, or who’s purely chasing lowest cost for non-critical lab/overflow connectivity.