- AI
Azure OpenAI for Business
20 Mar, 2026

£247.84 inc. VAT
AI-generated summary
For £206.53 ex‑VAT, this Dell-branded SFP (850nm) looks like a pretty sensible buy **only if you already run Dell switching and you’ve confirmed it’s the right optics/media for your link**. The upside with 850nm multimode is that, in typical UK office/campus cabling, it’s often the easiest path to stable gigabit fibre without paying the higher cost of long‑reach optics. If you’re swapping a failed module or standardising a small set of spares for Dell gear, this is the kind of “it just works” purchase that saves you hours of troubleshooting.
I’d be cautious if your situation is more ad-hoc: if you don’t know for sure you’re on **multimode fibre** (not single‑mode) or you’re pushing distances beyond what your existing cabling supports, you’ll just end up with link issues and return faff. Also, compared to the cheaper generic SFPs some resellers offer, this pricing only makes sense when **Dell compatibility and lower operational risk** matter more than saving a few quid. Bottom line: buy it for Dell environments with known multimode runs, or skip it if you need flexibility across non‑Dell switches or you’re unsure about the fibre type.

STARTECH
StarTech.com Cisco SFP-10GB-TC Compatible SFP+ Module, 10GBASE-T, SFP to RJ45 Cat6/Cat5e, 10GE Gigabit Ethernet SFP+, RJ-45 (Copper) 30m, Cisco Firepower, ASR1000, ASR9000, 10Gbps SFP+ - Lifetime Warranty (SFP10GBTCST) - SFP+ transceiver module - 10GbE - 10GBase-T - RJ-45 - up to 30 m

STARTECH
StarTech.com Cisco SFP-10G-SR-S Compatible SFP+ Module, 10GBASE-SR, 10GbE MMF Optic Transceiver, 10GE Gigabit Ethernet SFP+, LC Connector, 300m, 850nm, DDM, Cisco Firepower, ASR9000, C9300 - Lifetime Warranty (SFP10GSRSST) - SFP+ transceiver module (equivalent to: Cisco SFP-10G-SR-S) - 10GbE - 10GBase-SR - LC multi-mode - up to 300 m - 850 nm

Lenovo
Lenovo - SFP+ transceiver module - 10GbE - 1000Base-SR, 1000Base-SX, 10GBase-SR, 10GBase-SX - SFP+ - for Flex System SI4091, System Networking RackSwitch G8052, ThinkSystem NE2580O RackSwitch

TP-Link
TP-Link TL-SM7110-SR V1 - SFP+ transceiver module - 40GbE - 40GBASE-SR4 - MPO multi-mode - up to 150 m - 850 nm