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£348.64 inc. VAT
AI-generated summary
At £290.53 ex‑VAT for a Lenovo-branded SFP+ fibre transceiver, this is the kind of part you don’t buy “just because”—you buy it because your environment needs to be stable and you trust Lenovo’s compatibility in that specific switch or blade chassis. In real use, fibre SFP+ modules are usually straightforward: plug in, the link comes up, and it either stays solid or it doesn’t. Where the cost bites is that these modules are rarely a “better choice” versus compatibles when everything’s generic—so unless you’re building into an ecosystem that’s fussy, you’re paying for the peace of mind.
Who should buy it: teams with Lenovo switching gear who want the least hassle with optics recognition/firmware quirks, and who value supportability over shopping around. Who should think twice: anyone with more freedom to source third‑party modules, or who’s trying to standardise optics costs across mixed vendors—at this price, you should at least compare against known-compatible options and confirm they’ll work with your exact switch model and OS/licensing situation. If you can’t or won’t do that validation, then buying the Lenovo part is sensible; if you can, £290+ can be hard to justify for what is essentially a commodity “eyes on the network” component.

STARTECH
StarTech.com Cisco SFP-10G-ZR Compatible SFP+ Module, 10GBASE-ZR, 10GbE Single Mode (SMF) Fiber SMF Optic Transceiver, 10GE Gigabit Ethernet SFP+, LC Connector, 80km, 1550nm, DDM, Cisco ASR9000 - Lifetime Warranty (SFP-10G-ZR-ST) - SFP+ transceiver module (equivalent to: Cisco SFP-10G-ZR) - 10GbE - 10GBase-ZR - LC single-mode - up to 80 km - 1550 nm - for Cisco Nexus 93180YC-FX, 9372PX-E

TP-Link
TP-Link TL-SM321B-2 V1 - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-BX - LC/UPC single-mode - up to 2 km - 1310 (TX) / 1550 (RX) nm

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 (SFP10GBSRST) - SFP+ transceiver module - 10GbE - 10GBase-SR - LC multi-mode - up to 300 m - 850 nm

Lenovo
Lenovo - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-SX - LC - for Flex System SI4091