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Shop›Switch Tranceivers (GBIC/SFP)›TP-Link TL-SM311LM V4 - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-SX - LC/UPC multi-mode - up to 550 m - 850 nm
TP-Link TL-SM311LM V4 - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-SX - LC/UPC multi-mode - up to 550 m - 850 nm
£15.46
£18.55 inc. VAT
In Stock(117)MPN: SM311LM
🚚 Next-day delivery £4.95
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Key Features
TP-Link TL-SM311LM V4
SFP (mini-GBIC) transceiver module
1GbE
1000Base-SX
LC/UPC multi-mode
up to 550 m
850 nm
Product Overview
AI-generated summary
For the price point, the TP-Link TL-SM311LM V4 is a sensible “keep the kit running” buy. If you’ve got a switch with empty SFP cages and you need short‑reach fibre for server rooms, patch panels, or a couple of racks, this is exactly the sort of £15 module that saves you from paying big-brand markups. It’s also the kind of thing you’d stock for spares—because in B2B networks, the real value is usually getting a link up quickly when someone inevitably says “the fibre must be fine, can’t be that.”
That said, it’s only a good fit if your environment matches what it’s meant to do (multi‑mode fibre with LC/UPC, and within the expected reach). If your network is single‑mode or your fibre plant uses the wrong type/connections, you’ll waste time chasing compatibility issues. Also, don’t assume it’ll be plug‑and‑play for every switch model—most will work, but with lower-cost optics the safest approach is to check your switch vendor’s approved/compatible transceiver list before you deploy widely. If you’re buying one or a small handful and you’ve confirmed the fibre type and the switch compatibility, it’s great value; if you’re building a new design without that confidence, I’d be a bit more cautious.
Specifications
Product Details
FeatureSFP (mini-GBIC) transceiver module
Feature1GbE
Feature1000Base-SX
FeatureLC/UPC multi-mode
Featureup to 550 m
Feature850 nm
Identification
Manufacturer PartSM311LM
EAN1210002619295
CategorySWITCHTRA
Weight0.06 kg
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