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The Role of an IT Support Engineer: What They Actually Do
2 Mar, 2026




£73.20 inc. VAT
AI-generated summary
For £61 ex-VAT, this StarTech MSA-compliant 1GbE BiDi SFP is the kind of “just make it work” spare that suits UK offices, comms rooms, and anyone keeping older switches alive without paying brand-premium prices. StarTech naming and MSA compatibility matter in real life because SFPs are annoyingly picky—this is the sort of module that’s more likely to drop into a compatible switch and negotiate cleanly without you playing firmware roulette. If you’ve got single-fiber transmit/receive on SMF (BiDi), it’s a sensible purchase for anyone maintaining point-to-point links or light server/storage networking where 1GbE is already plenty.
That said, I wouldn’t buy it blindly if you don’t already know the exact optics you need and your switch’s supported SFP list. Some switches are tolerant, others can be temperamental with optics “by brand,” even when modules claim MSA compliance—so if you’re deploying new rather than replacing, it’s worth double-checking compatibility first. Also, at this price, it’s good value as a replacement/backup; it’s not a reason to migrate or overspend if your network would benefit more from higher-speed optics or a broader platform refresh. In short: buy it if you’re fixing/maintaining a known 1GbE BiDi SMF link; skip it (or verify first) if you’re unsure about wavelength pairings, switch support, or whether your link is truly BiDi over SMF.

STARTECH
StarTech.com Cisco QSFP-40G-SR4-S Compatible QSFP+ Module, 40GBASE-SR4, 40GbE Multimode Fiber MMF Optic Transceiver, 40GE Gigabit Ethernet QSFP+ MPO 100m, 850nm DDM, Cisco Firepower, - Lifetime Warranty (QSFP-40G-SR4-S-ST) - QSFP+ transceiver module (equivalent to: Cisco QSFP-40G-SR4-S) - 40GbE - 40GBASE-SR4 - MPO multi-mode - up to 100 m - 850 nm

STARTECH
StarTech.com Cisco GLC-LH-SM Compatible SFP Module, 1000BASE-LX/LH, 1GbE SMF Optic Transceiver, LC Connector, 10km, 1310nm Cisco Firepower, ASR920, IE2000 Mini GBIC Transceiver 1GE SFP - Lifetime Warranty (GLCLHSM10PST) - SFP (mini-GBIC) transceiver module (equivalent to: Cisco GLC-LH-SM) - 1GbE - 1000Base-LX, 1000Base-LH - LC - up to 10 km - 1310 nm (pack of 10)

STARTECH
StarTech.com MSA Uncoded Compatible SFP+ Module, 10GBASE-T, SFP to RJ45 (Copper) for Cat6 and Cat5e, 10GE Gigabit Ethernet SFP+, RJ-45 (Copper) 30m, 10Gbps Transceiver SFP+ Copper Module - Lifetime Warranty (SFP10GBTST) - SFP+ transceiver module - 10GbE - 10GBase-T, 10GBase-X - RJ-45 - up to 30 m - TAA Compliant - for P/N: PEX10GSFP

STARTECH
StarTech.com Arista Networks SFP-10G-SR Compatible SFP+ Module, 10GBASE-SRL, 10GbE Multimode Fiber MMF Optic Transceiver, 10GE Gigabit Ethernet SFP+, LC 300m, 850nm, DDM, Mini GBIC Module - Lifetime Warranty (AR-SFP-10G-SR-ST) - SFP+ transceiver module (equivalent to: Arista Networks SFP-10G-SR) - 10GbE - 10GBase-SR - LC multi-mode - up to 300 m - 850 nm