- Cloud Backup
The True Cost of Data Loss for Small Businesses
31 Aug, 2025
£46.10 inc. VAT
AI-generated summary
For £38.41 ex-VAT, this kind of RJ-45 “copper SFP” is usually a sensible buy when you’ve got an existing gigabit switch with standard SFP cages and you just need a like-for-like copper link without paying a big brand tax. The fact it’s positioned as equivalent to the Dell SFP-1G-T matters in day-to-day deployments: it’s the sort of module you’d choose for patch panels, office cabling, and those “we need it working today” spare/rotation use-cases where uptime beats experimentation. If you’re standardising on mixed vendor gear in a UK environment, the TAA angle can also help with procurement paperwork.
That said, I’d be a bit cautious if you’re buying in bulk for critical infrastructure. Copper SFPs from third parties can be hit-and-miss depending on the exact switch model/firmware and link partner behaviour—usually it works, but marginal cabling, odd autoneg situations, or firmware quirks can cause annoying intermittent links that cost more time than the module saved. If your environment is straightforward (good Cat5e/6, known switch compatibility, gigabit only), it’s good value and a practical choice. If it’s mission-critical or you can’t easily validate compatibility in your lab/test site, I’d either confirm compatibility with your exact switch model first or consider branded modules where consistency matters.

STARTECH
StarTech.com Arista Networks AR-SFP-10G-T Compatible SFP+ Module, 10GBASE-T, SFP+ to RJ45 Cat6/Cat5e, 10GE Gigabit Ethernet SFP+, RJ-45 (Copper) 30m, Mini GBIC Transceiver SFP Plus Module - Lifetime Warranty (AR-SFP-10G-T-ST) - SFP (mini-GBIC) transceiver module (equivalent to: Arista Networks AR-SFP-10G-T) - 10GbE - 10GBase-T - RJ-45 - up to 30 m

ALLIED TELESIS
Allied Telesis AT SPLX10A - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-LX - LC single-mode - for AT x230, x240, x510, CentreCOM AT-GS970EMX/52, X530L-18GHXM-50, CentreCOM SE240 Series

STARTECH
StarTech.com Cisco Meraki MA-SFP-1GB-LX10 Compatible SFP Module, 1000BASE-LX, 1GbE SMF Optic Transceiver, 1GE Gigabit Ethernet LC Connector, 10km, 1310nm Cisco Meraki MS225, MX400, MS250 - Lifetime Warranty (MASFP1GBLX10) - SFP (mini-GBIC) transceiver module (equivalent to: Juniper SFP-1GE-LX) - 1GbE - 1000Base-LX - LC single-mode - up to 10 km - 1310 nm

STARTECH
StarTech.com Cisco Meraki MA-SFP-1GB-SX Compatible SFP Module, 1000BASE-SX, 1GbE MMF Optic Transceiver, LC Connector, 550m, 850nm, DDM, Cisco Meraki MS225, MX400, Mini GBIC Transceiver - Lifetime Warranty (MASFP1GBSXST) - SFP (mini-GBIC) transceiver module (equivalent to: Cisco Meraki MA-SFP-1GB-SX) - 1GbE - 1000Base-SX - LC multi-mode - up to 550 m - 850 nm