- Network Admin
Understanding VLANs: Why Your Business Network Needs Them
11 Mar, 2026




£289.38 inc. VAT
AI-generated summary
If you’re running an HPE edge setup (1810/1820/2530) and you just need copper gigabit in RJ45 without paying the HPE-branded premium, this StarTech-compatible J8177C-style module is the sort of sensible buy that keeps networks tidy. The key win is practicality: it’s made for that specific “SFP to RJ45, Cat5e/Cat6 up to 100m” use case, so for short-reach patching to access switches, cameras, VoIP, small uplinks, it usually behaves exactly as you’d expect. At ~£241.54 ex-VAT for a 10-pack, you’re effectively getting spares/rollover modules at a price that doesn’t make you wince.
That said, I wouldn’t buy these if you’re chasing maximum compatibility across random switch models or you’ve got a mixed vendor stack—SFP “compatibility” is great until it meets a finicky firmware, optics profile, or a switch that’s less forgiving. Also, confirm you genuinely need copper gigabit at 100m; if you’re mostly doing longer runs, you’ll waste money buying the wrong media type. For a UK B2B reseller environment, this is a good “known-good, known-purpose” module to stock for HPE switches—just don’t treat it as a universal replacement beyond those families.

STARTECH
StarTech.com Palo Alto Networks CG Compatible SFP Module, 1000BASE-T, SFP to RJ45 Cat6/Cat5e, 1GE Gigabit Ethernet SFP, RJ-45 (Copper) 100m, 1Gbps/1000Mbps Mini GBIC Transceiver SFP Module - Lifetime Warranty (CG-ST) - SFP (mini-GBIC) transceiver module (equivalent to: Palo Alto Networks PAN-SFP-CG) - 1GbE - 1000Base-TX - RJ-45 - up to 100 m

Lenovo
Lenovo BNT - SFP+ transceiver module - 10GbE - 10GBase-ER - SFP+ - up to 40 km - for Flex System SI4091, System Networking RackSwitch G8264, ThinkSystem NE2580

STARTECH
StarTech.com Cisco GLC-SX-MM-RGD Compatible SFP Module, 1000BASE-SX, 1GbE Multimode Fiber MMF Optic Transceiver, LC Connector, 550m, 850nm, DDM, Cisco ASR920, IE2000 IE4000, 1GE Mini GBIC - Lifetime Warranty (GLCSXMMRGDST) - SFP (mini-GBIC) transceiver module (equivalent to: Cisco GLC-SX-MM-RGD) - 1GbE - 1000Base-SX - LC multi-mode - up to 550 m - 850 nm

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 (SFPSXMM) - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-SX - LC multi-mode - up to 550 m - 850 nm - for P/N: MCM1110SFP