- Cloud Networking
The Future of Cloud-Managed Networking: Trends for 2026
18 Mar, 2026





£274.24 inc. VAT
AI-generated summary
This is a sensible “keep the network running” SFP+ for anyone running Cisco-style optics on single‑mode fibre at longish reach. StarTech’s compatible modules usually behave well in real deployments, and the big win here is that you’re buying 10GBASE‑LR capability without paying Cisco pricing—at £228.90 ex‑VAT, that’s the kind of cost saving that matters when you need spares or multiple ports populated. It’s especially appropriate for sites with Firepower/ASR/C9300-style gear where the optics are known to be picky and you want something that’s been validated as a drop-in rather than an experiment.
That said, it’s not the best choice if you’re optimising for maximum certainty across every platform/feature. With third‑party optics, compatibility can hinge on firmware expectations and how your switch behaves with monitoring (DDM/DOM). If you’re building something critical and you can’t test in your own environment, I’d be cautious and insist on a quick confirmation with your exact model/IOS/linecard before ordering a batch. For most established Cisco 10G LR use cases, though, this is a decent value pick—just make sure you’re actually on single‑mode fibre and the link budget/range target matches what you’re buying.

STARTECH
StarTech.com Arista Networks AR-SFP-10G-T Compatible SFP+ Module, 10GBASE-T, SFP+ to RJ45 Cat6/Cat5e, 10GE Gigabit Ethernet SFP+, RJ-45 (Copper) 30m, Mini GBIC Transceiver SFP Plus Module - Lifetime Warranty (AR-SFP-10G-T-ST) - SFP (mini-GBIC) transceiver module (equivalent to: Arista Networks AR-SFP-10G-T) - 10GbE - 10GBase-T - RJ-45 - up to 30 m

STARTECH
StarTech.com MSA Uncoded Compatible SFP Module, 1000BASE-LX, 1GbE Single Mode (SMF) Fiber Optic Transceiver, 1GE Gigabit Ethernet SFP, LC Connector, 10km, 1310nm, DDM, Mini GBIC Module - Lifetime Warranty (SFP1000LXST) - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-LX - LC single-mode - up to 10 km - 1310 nm - for P/N: US1GA30SFP, US1GC30SFP

STARTECH
StarTech.com Cisco SFP-10G-LRM Compatible SFP+ Module, 10GBASE-LRM, 10GbE MMF Optic Transceiver, LC Connector, 200m, 1310nm, DDM, Cisco Firepower, ASR9000, C9300, Mini GBIC Transceiver - Lifetime Warranty (SFP10GLRMST) - SFP+ transceiver module (equivalent to: Cisco SFP-10G-LRM) - 10GbE - 10GBase-LRM - LC multi-mode - up to 220 m - 1310 nm

STARTECH
StarTech.com Dell EMC SFP-10G-LR Compatible SFP+ Module, 10GBASE-LR, 10GbE Single Mode (SMF) Fiber SMF Optic Transceiver, 10GE Gigabit Ethernet SFP+, LC Connector, 10km, 1310nm, DDM, SFP+ - Lifetime Warranty (SFP10GLREMST) - SFP+ transceiver module (equivalent to: Dell EMC SFP-10G-LR) - 10GbE - 10GBase-LR - LC single-mode - up to 10 km - 1310 nm