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11 Mar, 2026
£65.03 inc. VAT
AI-generated summary
At £54.50 ex-VAT, this is the kind of SFP you buy for one job: getting a 1GbE copper RJ-45 link up and running without paying the “brand tax”. For patch panels, access switches, and short office runs (where you’re comfortably within the stated reach), it’s usually a sensible value pick—especially if you’re topping up spares or standardising small deployments across mixed Cisco models like Catalyst/ISR/Nexus gear. In day-to-day use, the appeal is reliability and simple plug-in operation, not flashy features.
That said, I’d only recommend it if you’re comfortable with “compatible” modules in your environment. The downside with third-party SFPs is not that they always fail, but that compatibility quirks happen—some Cisco platforms are pickier about optics/firmware expectations, and you can end up with annoying “module not recognised” behaviour or flapping links if the physical layer is marginal (bad cabling, poor patch leads, etc.). If this is going into a critical production path, my advice is to buy one, test it on the exact model/port type, and verify stability before you roll it out broadly. If you’re doing non-critical links or want low-cost spares, this looks like fair value; if you need zero drama for mission-critical connectivity, you might be better off paying for Cisco-branded modules.

STARTECH
StarTech.com MSA Uncoded Compatible SFP+ Module, 10GBASE-SR, 10GbE Multi Mode (MMF) Fiber Optic Transceiver, 10GE Gigabit Ethernet SFP+, LC Connector, 300m, 850nm, DDM, Mini GBIC Module - Lifetime Warranty (SFP-10GBASE-SR-ST) - SFP+ transceiver module - 10GbE - 10GBase-SR - LC multi-mode - up to 300 m - 850 nm

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StarTech.com Juniper SFP-1FE-FX Compatible SFP Module, 100BASE-FX, 100MbE Multimode Fiber MMF Optic Transceiver, 100Mb Ethernet SFP, LC Connector, 2km, 1310nm, DDM, 100Mb Mini GBIC Module - Lifetime Warranty (SFP1FEFXST) - SFP+ transceiver module (equivalent to: Juniper SFP-1FE-FX) - 100Mb LAN - 100Base-FX - LC multi-mode - up to 2 km - 1310 nm

STARTECH
StarTech.com Cisco QSFP-40G-CSR4 Compatible QSFP+ Module, 40GBASE-SR4, 40GbE Multimode Fiber MMF Optic Transceiver, 40GE Gigabit Ethernet QSFP+ MPO 300m, 850nm DDM, Cisco Firepower ASR9000 - Lifetime Warranty (QSFP-40G-CSR4-ST) - QSFP+ transceiver module (equivalent to: Cisco QSFP-40G-CSR4) - 40GbE - 40GBASE-SR4 - MPO multi-mode - up to 400 m - 850 nm

STARTECH
StarTech.com Juniper SFP-1GE-LX Compatible SFP Module, 1000BASE-LX, 1GbE Single Mode (SMF) Fiber SMF Optic Transceiver, 1GE Gigabit Ethernet SFP, LC Connector, 10km, 1310nm, DDM, Mini GBIC - Lifetime Warranty (SFP1GELXST) - SFP (mini-GBIC) transceiver module (equivalent to: Juniper EX-SFP-1GE-LX) - 1GbE - 1000Base-LX - LC single-mode - up to 10 km - 1310 nm