StarTech.com Brocade 40G-QSFP-LR4 Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber SMF Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km - 1270nm to 1330nm - DDM

Product Overview

AI-generated summary

If you’re looking for a straightforward way to light up a 40GbE QSFP+ long‑range link over single‑mode fibre, this StarTech LR4 optic is a decent buy at £123.83 ex‑VAT. The key thing in day‑to‑day use is compatibility and reliability: StarTech modules are usually a safe “avoid-the-drama” choice for mixed vendor kit, and the inclusion of DDM is genuinely useful for monitoring optics health before it becomes an outage. If your switch/router combo is already happy with third‑party QSFP+ transceivers, this is the sort of module that saves money versus branded equivalents without making operations harder.

That said, I wouldn’t buy it blindly if you’re in a picky environment where optics must be vendor‑locked or tightly validated—some Brocade/enterprise platforms can be fussy depending on firmware and optics profiles. Also, this is only the right tool if you actually need long‑reach single‑mode and your cabling is set up for that; if you’re just trying to reach a rack or two, you’ll pay for reach you don’t need. Bottom line: buy it if you’ve confirmed your equipment accepts this type of compatible QSFP+ LR4 optic; skip it if you need guaranteed vendor‑certified behaviour with zero tolerance for quirks.