- Cloud Networking
How to Configure VLANs with Cisco Meraki
16 Feb, 2026




£55.64 inc. VAT
AI-generated summary
For £46.39 ex-VAT, this TP-Link 40GBase-SR QSFP+ MPO transceiver is the kind of “get it working” buy I usually recommend when you’re trying to keep a switch stack or storage link running without paying big-brand optics pricing. If you’ve got short-reach fibre runs (typical for server racks/patch panels in a datacentre) and your switch plays nicely with third‑party QSFP+ modules, it’s very good value. TP-Link optics are generally fine for day-to-day operations, and they’re a sensible way to replace failed optics quickly—especially when downtime costs more than the module.
That said, I wouldn’t buy it blindly if you’re dealing with strict optics compatibility, hardened firmware, or older gear that can be picky about non-OEM transceivers. In the real world, the “gotcha” is not whether the module *can* talk—it's whether your specific switch model will accept it cleanly and keep it stable under monitoring/threshold alarms. If you want peace of mind, check your switch’s supported optics list (or test with one first). For anyone with verified compatibility and short-reach MPO runs, it’s a strong buy; for uncertain compatibility, it’s a gamble you might regret later.

ALLIED TELESIS
Allied Telesis AT SPFX/2 - SFP (mini-GBIC) transceiver module - 100Mb LAN - 100Base-FX - LC multi-mode - up to 2 km - 1310 nm - for CentreCOM AT-GS980M/52PS, AT-SH230-28GP, AT-x230-52GT, AT-x230L-17GT

ALLIED TELESIS
Allied Telesis AT SPTX-90 - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-T - RJ-45 - up to 100 m - TAA Compliant

STARTECH
StarTech.com Dell EMC SFP-10G-SR Compatible SFP+ Module, 10GBASE-SR, 10GbE Multimode Fiber MMF Optic Transceiver, 10GE Gigabit Ethernet SFP+, LC Connector, 400m, 850nm, DDM, Mini GBIC - Lifetime Warranty (SFP10GSREMST) - SFP+ transceiver module (equivalent to: Dell EMC SFP-10G-SR) - 10GbE - 10GBase-SR - LC multi-mode - up to 400 m - 850 nm

TP-Link
TP-Link TL-SM311LS Gigabit SFP module, Single mode, LC, 10KM