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£114.97 inc. VAT
AI-generated summary
For £95.66 ex-VAT, this is a pretty sensible buy **if you specifically need a short-reach 10GBase‑T SFP+ with RJ‑45**. In real deployments, these are typically used to get 10GbE onto existing copper cabling without swapping out patch panels or running new fibre—so if you’ve got equipment with SFP+ cage support and you don’t want the hassle/cost of fibre, this AddOn option can be good value. The “up to 30 m” bit is the right kind of headline for office/SMB structured cabling, and the fact it’s **TAA compliant** matters for UK/US public sector procurement routes.
That said, I wouldn’t buy it blindly. With third‑party transceivers, the main risk is **compatibility/behaviour variance**—some switches are picky about optical/copper modules and you can end up with “it works but link negotiation is flaky” or it simply refuses to initialise. Before you commit, sanity-check your switch model’s published compatibility list (or at least confirm it works with this exact part number in that environment). If you’re in a critical path, or your network vendor support policy is strict, fibre or the OEM-branded equivalent can be cheaper than the downtime you don’t want. If you’re doing general-purpose 10G over copper in a non-hostile distance and you’re okay testing/confirming compatibility, this is the kind of deal that makes sense.

TP-Link
TP-Link TL-SM311LS - SFP (mini-GBIC) transceiver module - fibre optic - LC single-mode - up to 10 km - 1310 nm - for P/N: TL-SG3452XP V1

STARTECH
StarTech.com Cisco GLC-LH-SMD Compatible SFP Module, 1000BASE-LX/LH, 1GbE Single Mode (SMF) Fiber SMF Optic Transceiver, 1GE Gigabit Ethernet, LC Connector, 10km 1310nm, Firepower, ASR920 (GLCLHSMD10ST) - SFP (mini-GBIC) transceiver module (equivalent to: Cisco GLC-LH-SMD) - 1GbE - 1000Base-LX, 1000Base-LH - LC - up to 10 km - 1310 nm (pack of 10)

Dell
Dell Networking - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-LX - up to 10 km - 1310 nm - for Networking N1148, PowerSwitch S4112, S5212, S5232, S5296, PowerSwitch N1524

STARTECH
StarTech.com Cisco GLC-LH-SMD Compatible SFP Module 1000BASE-LH 1GbE Single Mode (SMF) Fiber SMF Optic Transceiver 1GE Gigabit Ethernet SFP LC 20km, 1310nm, DDM, Cisco Firepower, IE2000 - Lifetime Warranty (SFPG1320C) - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-LH - LC single-mode - up to 20 km - 1310 nm - for P/N: ET91000LCOAM, IES101002SFP, IES101G2SFPW, IES101GP2SFW, MCM1110SFP, PEX1000SFP2