- Virtual CIO
IT Vendor Management: How to Get the Best Deals
11 Mar, 2026

£18.55 inc. VAT
AI-generated summary
For £15.46 ex-VAT, this TP-Link Omada RJ45 SFP module is a cheap and cheerful way to get copper gigabit connectivity where your switch has an SFP slot but you don’t want to change hardware. If you’ve got patching or a deployment plan that hinges on “one switch, mixed media,” it’s genuinely handy: you can drop this in and run up to ~100m on decent Cat5e+ without fuss. The “plug and play” angle matters in the real world—less faffing, fewer compatibility headaches during rollout.
That said, I wouldn’t buy these for every situation. If you just need basic copper ports, a native RJ45 switch port is usually cleaner (and often less trouble over time with optics-management quirks or edge-case compatibility). Also, you’re paying for flexibility—so if you’re only ever going to use fixed RJ45 connections, you might get better long-term value by choosing hardware that already matches your cabling plan. Who it suits best: Omada users with SFP-capable switches who need extra copper runs on a budget, especially for access/edge links around a site. If you’re planning something more complex (lots of different transceiver types, mixed vendors, or long lifecycle support), I’d sanity-check the exact switch model’s transceiver compatibility first.

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

Lenovo
Lenovo - SFP+ transceiver module - iSCSI, 1GbE - RJ-45 - for ThinkSystem DE4000, DE4000H Hybrid, ThinkSystem DM Series 3U, ThinkSystem DM3000, DM5000

STARTECH
StarTech.com 10 pack HPE J4858C Compatible SFP Module, 1000BASE-SX, 1GbE Multi Mode (MMF) Fiber Optic Transceiver, 1 Gigabit Ethernet SFP, LC Connector, 550m, 850nm, DDM, HPE 1400, 1700, 1820 - Lifetime Warranty (J4858C10PKST) - SFP (mini-GBIC) transceiver module (equivalent to: HP J4858C) - 1GbE - 1000Base-SX - LC multi-mode - up to 550 m - 850 nm (pack of 10) - for HPE 1700, 2610, 6120, Switch XL 10/100/1000, HPE Aruba 2530, 2930F 24, 2930F 48, 5406

STARTECH
StarTech.com MSA Uncoded Compatible SFP Module, 1000BASE-LX, 1GbE Single Mode (SMF) Fiber Optic Transceiver, 1GE Gigabit Ethernet SFP, LC Connector, 10km, 1310nm, DDM, Mini GBIC Module - Lifetime Warranty (SFP1000LXST) - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-LX - LC single-mode - up to 10 km - 1310 nm - for P/N: US1GA30SFP, US1GC30SFP