Question 1

How do I get the best price on network transceiver modules in the UK?

Accepted Answer

Match the module exactly to your need (speed, reach, fibre type) to avoid over-spec. For short intra-rack links, multimode SR optics are usually the best value; choose LR single-mode only when distance requires it. Buying in the right quantities, using standards-compliant MSAs, and consolidating to common connector types (e.g., LC) also helps reduce total cost.

Question 2

Are cheap fibre optic transceiver modules reliable?

Accepted Answer

Yes — provided they follow recognised MSAs, pass optics testing and offer DDM/DOM for monitoring. Reliability depends on quality control, correct pairing (both ends must match type and speed) and environmental fit (temperature/power). Cheap does not need to mean risky if the specification is right for the job.

Question 3

SFP vs SFP+ vs SFP28 vs QSFP28: which transceiver should I choose?

Accepted Answer

Pick based on bandwidth and port type: SFP (1G), SFP+ (10G), SFP28 (25G) and QSFP28 (100G). If you are aggregating many 10/25G links to the core, QSFP28 is common at 100G. For access and server links, SFP+ (10G) or SFP28 (25G) is typically the sweet spot.

Question 4

What affects the price of a transceiver module (SR/LR/ER; single-mode vs multimode)?

Accepted Answer

Key drivers include speed (higher = more expensive), reach (LR/ER optics cost more than SR), fibre type (single-mode components are usually pricier), form factor, and power class. Features such as extended temperature ratings and DDM/DOM can also influence price.

Question 5

Can I use RJ45 copper SFPs instead of fibre to keep costs low?

Accepted Answer

For short runs up to 100 m, RJ45 copper SFPs can be a low-cost, simple option and avoid new fibre runs. Note that copper modules often draw more power and can run hotter than optical SR modules; ensure your switch supports them and that power/thermal budgets are acceptable.

Question 6

How far will SR and LR optics reach, and what’s the cheapest option for short links?

Accepted Answer

SR multimode optics typically cover up to around 300 m on OM3/OM4, making them the cheapest choice for short, in-building links. LR single-mode optics usually reach up to 10 km and are ideal when distance demands it; they cost more but are necessary beyond multimode limits.

Question 7

Do I need DDM/DOM monitoring, and does it change the price?

Accepted Answer

DDM/DOM provides real-time optics metrics (power, temperature, voltage) and is valuable for troubleshooting and uptime. It can carry a small price premium, but the operational visibility often saves money by speeding up fault isolation and preventing unnecessary replacements.

Network Transceiver Modules Price Comparison

AddOn Networks 109568782-AO network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm

AddOn Networks 1061701854-03-AO network transceiver module Fiber optic 10000 Mbit/s SFP+ 850 nm

AddOn Networks 10504-40-AO network transceiver module Fiber optic 25000 Mbit/s SFP28 1310 nm

AddOn Networks 10502-AO network transceiver module Fiber optic 25000 Mbit/s SFP28 850 nm

AddOn Networks 1003-4750-AO network transceiver module Fiber optic 10000 Mbit/s XFP 1559.79 nm

AddOn Networks 1003-4741-AO network transceiver module Fiber optic 10000 Mbit/s XFP 1546.92 nm

AddOn Networks 1003-4737-AO network transceiver module Fiber optic 10000 Mbit/s XFP 1543.73 nm

AddOn Networks 1003-4719-AO network transceiver module Fiber optic 10000 Mbit/s XFP 1538.19 nm

AddOn Networks 1003-4717-AO network transceiver module Fiber optic 10000 Mbit/s XFP 1549.32 nm

AddOn Networks UF-MM-10G-1 network transceiver module Fiber optic 10000 Mbit/s SFP+ 850 nm

AddOn Networks TOM-100G-Q-SR4-AO network transceiver module Fiber optic 100000 Mbit/s QSFP28 850 nm

Origin Storage TN-GLC-LHX-SM-RGD Lantronix Compatible Transceiver SFP 1000Base-LX (1310nm SMF 40km LC DOM Ind Temp)

AddOn Networks JNP-SFP-25G-SR-I-AO network transceiver module Fiber optic 25000 Mbit/s SFP28 850 nm

AddOn Networks JNP-SFP-25G-LR-I-AO network transceiver module Fiber optic 25000 Mbit/s SFP28 1310 nm

AddOn Networks ISFP-GIG-LX-I-AO network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm

AddOn Networks 100-04702-A5-AO network transceiver module Fiber optic 10000 Mbit/s SFP+

AddOn Networks 407-BBWK network transceiver module Fiber optic 25000 Mbit/s SFP28 850 nm

AddOn Networks 407-BBPM-AO network transceiver module Fiber optic 10000 Mbit/s SFP+ 850 nm

AddOn Networks 3HE11023AA-AO network transceiver module Fiber optic 10000 Mbit/s SFP+ 850 nm

AddOn Networks 3HE09329AA-AO network transceiver module Fiber optic 1250 Mbit/s SFP+ 1550 nm

AddOn Networks 3HE06699BA-AO network transceiver module Fiber optic 100000 Mbit/s CFP 1310 nm

AddOn Networks 3HE00868CA-20-AO network transceiver module Fiber optic 1000 Mbit/s SFP

AddOn Networks 3HE00035CA-I-AO network transceiver module Fiber optic 100 Mbit/s SFP 1310 nm

AddOn Networks 3AL82019AA-AO network transceiver module Fiber optic 10000 Mbit/s SFP+ 1550 nm

Network Transceiver Modules Price Comparison