StarTech.com MSA Compliant SFP Transceiver Module - 100BASE-LH~MSA Uncoded SFP Module - 100BASE-LH - 100MbE Single Mode Fiber (SMF) Optic Transceiver - 100Mb Ethernet SFP - LC 80km - 1550nm - DDM

Product Overview

AI-generated summary

At £13.27 ex-VAT this StarTech 100BASE-LH SFP is the kind of cheap, cheerful optics you buy when you already know your network path is clean and you just need something that works. For 100Mb Ethernet over single‑mode fibre at the 80km-ish LH reach, it’s a sensible value option—especially if you’re maintaining lots of sites and want spares that won’t break the budget. The fact it’s “MSA compliant” and offers DDM/monitoring is the practical bit: you’ll get more visibility in switches, and you’re less likely to run into wonky compatibility issues than with random off-brand modules.

That said, I’d only recommend this if you’ve confirmed your link requirements in advance (100BASE‑LH on SMF, correct wavelength/connector expectations, and that your SFP cage/partner device behaves properly with third-party optics). The price suggests it’s not aimed at mission-critical weirdness—so don’t treat it like a universal “plug anything in” solution. Also, if your fibre plant is marginal (loss, bends, dirty connectors), optics at long reach can become a time sink; in that case you’ll be better spending a bit more or tightening up the physical layer first. If you tell me your switch model and distance/fibre type, I can sanity-check whether you’re buying the right flavour.