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£66.36 inc. VAT
AI-generated summary
At £55.38 ex-VAT, this looks like a sensible “keep the network running” buy rather than a premium optics upgrade. If you’ve got an HPE BladeSystem environment using the older 10GbE SFP+ optics (and you know you’re in the right LR single‑mode, ~10km use case), a compatible module like this is usually great value: it’s the kind of part you slot in to restore link quickly without paying boutique-brand pricing. The fact it includes DDM is also a real-world win—monitoring optics health matters more than people think, especially when you’re dealing with field replacements.
That said, I wouldn’t buy this if you don’t have a clear match to your host’s expectations and wavelength/fiber type. Compatible optics are often fine, but the wrong blade/backplane/firmware compatibility can mean flaky links or outright “unsupported module” messages. Also, if you’re expecting short-reach or multimode performance, don’t—this is an LR single‑mode optic, so value drops fast if your cabling isn’t aligned to that. Overall: buy it if you’re replacing like-for-like in the HPE blade ecosystem; don’t if you’re guessing the distance/fiber requirements or you can’t confirm compatibility with your exact switch/blade model.

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

Dell
Dell Networking - QSFP+ transceiver module - 40GbE - 40GBASE-SR - up to 150 m - 850 nm - for Networking N4032, N4064, PowerEdge T130, T330, T430, T630, PowerSwitch S4112, S5212, S5224

STARTECH
StarTech.com Cisco Meraki MA-SFP-10GB-SR Compatible SFP+ Module, 10GBASE-SR, 10GbE MMF Optic Transceiver, 10GE Gigabit Ethernet, LC Connector, 300m 850nm Cisco Meraki MS225, MX400, MS250 (MASFP10GBSR) - SFP+ transceiver module (equivalent to: Cisco Meraki MA-SFP-10GB-SR) - 10GbE - 10GBase-SR - LC multi-mode - up to 300 m - 850 nm

STARTECH
StarTech.com HPE J9150D Compatible SFP+ Module, 10GBASE-SR, 10GbE Multi Mode Fiber Optic Transceiver, 10GE Gigabit Ethernet SFP+, LC Connector, 300m, 850nm, DDM, HPE FlexFabric, 6120XG, 6120G - Lifetime Warranty (J9150D-ST) - SFP+ transceiver module (equivalent to: HP J9150D) - 10GbE - 10GBase-SR - LC multi-mode - up to 300 m - 850 nm - for HPE Aruba 2930F 12, 2930M 40, 6200F 12, 6200M 24, 6300, 6405 48, 6405 96, 64XX, CX 8360