AddOn - SFP+ transceiver module (equivalent to: Cisco SFP-10G-LR-S) - 10GbE - 10GBase-LR - LC single-mode - up to 10 km - 1310 nm - for Cisco 250 Series, Nexus 22XX, 31XX, 3548, 93180, 93XX, ONE Nexus 55XX, UCS 62XX, C4200

Product Overview

AI-generated summary

For £85 ex-VAT, this AddOn 10GBase-LR SFP+ is exactly the sort of “get it working reliably without paying Cisco tax” item that makes sense in most UK SMB and enterprise edge networks. If you’ve got a Cisco 10GbE switch doing single-mode links and you simply need LR reach over LC fiber, it’s a sensible buy—especially for lab gear, spare ports, or replacing a failed module where your goal is stable optics, not branded optics artwork. In day-to-day use, the big question isn’t the marketing; it’s whether it passes your switch’s compatibility checks and negotiates cleanly. Most people buy these hoping it “just works,” and that’s largely what you want at this price point.

That said, I’d be a bit cautious in environments where optics are heavily policed (firmware/SFP diagnostics, strict compatibility, or where you’ll be penalised for warnings). Third‑party optics can be a mixed bag depending on the exact switch revision and how aggressively it enforces module validation. If you’re deploying mission-critical links with tight uptime requirements, it’s worth testing in a maintenance window or confirming your model/firmware combo is happy with third-party LR modules—otherwise the cheap buy can turn into time wasted. **Who should buy:** anyone running 10GbE single-mode LR over short-to-mid campus links who wants decent value and can validate compatibility. **Who shouldn’t:** teams needing guaranteed vendor-level “no surprises” optics behavior, or those who can’t afford the risk of module warnings/blocked optics on certain Cisco platforms.