- Virtual CIO
The IT Due Diligence Checklist for Mergers and Acquisitions
11 Mar, 2026
£102.19 inc. VAT
AI-generated summary
For £85.03 ex-VAT, this AddOn Juniper-compatible SFP+ looks like a sensible “keep the network running” buy—especially if you’re just trying to replace a failed 10GbE LR optic and don’t want to pay big-brand pricing. In day-to-day reseller terms, this category is usually about getting a link up reliably and staying stable under normal conditions. If your switch port and optics ecosystem are already proven, a compatible LR module like this is often good value for maintenance work and small upgrades where you’re not trying to push the absolute edge of performance.
That said, I wouldn’t buy this if you need maximum peace of mind for compliance-heavy environments or if you’re mixing lots of different vendors/part lots across multiple switches—optics can be picky about interoperability details even when they’re “compatible.” Also, make sure you’re truly dealing with LR use cases; if you actually need something else (like shorter-reach optics or different wavelength/format expectations), you’ll burn time troubleshooting links. If you can confirm the exact Juniper platform/port compatibility you’re using and your cabling distance fits LR, then yes—this is the kind of cost-effective replacement that makes sense. If you can’t, spend a bit more on a known in-environment matched module.

STARTECH
StarTech.com HPE JD119B Compatible SFP Module, 1000BASE-LX, 1GbE Single Mode (SMF) Fiber Optic Transceiver, 1GE Gigabit Ethernet SFP, LC Connector, 10km, 1310nm, DDM, HPE 5900, 12500, 5500 - Lifetime Warranty (JD119BST) - SFP (mini-GBIC) transceiver module (equivalent to: HP JD119B) - 1GbE - 1000Base-LX - LC single-mode - up to 10 km - 1310 nm

STARTECH
StarTech.com HPE JL484A Compatible SFP28 Module, 25GBase-SR, 25Gbps Multimode Fiber (MMF), 100m (328ft), LC Connector, 850nm, MSA 25 Gigabit Optical Transceiver - SFP28 transceiver module (equivalent to: HPE JL484A) - 25GbE - 25GBase-SR - LC multi-mode - up to 100 m - 850 nm - for HPE Aruba 8325-48Y8C, CX 8360-12C V2, 8360-16Y2C V2

STARTECH
StarTech.com MSA Uncoded Compatible SFP Module, 1000BASE-SX, 1GbE Multi Mode (MMF) Fiber Optic Transceiver, 1GE Gigabit Ethernet SFP, LC Connector, 550m, 850nm, DDM, 1Gbps Mini GBIC Module - Lifetime Warranty (SFP1000SXST) - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-SX - LC multi-mode - up to 550 m - 850 nm - for P/N: US1GA30SFP, US1GC30SFP

STARTECH
StarTech.com Juniper EX-SFP-1GE-SX Compatible SFP Module, 1000BASE-SX, 1GbE Multimode Fiber MMF Optic Transceiver, 1GE Gigabit Ethernet SFP, LC Connector, 550m, 850nm, DDM, Mini GBIC Module - Lifetime Warranty (EXSFP1GESXST) - SFP (mini-GBIC) transceiver module (equivalent to: Juniper EX-SFP-1GE-SX) - 1GbE - 1000Base-SX - LC multi-mode - up to 550 m - 850 nm