SFP vs QSFP: Key Differences Explained
SFP and QSFP name the socket, not the speed: one cage hands the ASIC one lane, the other hands it four. Every fibre, watt and port-count trade follows from that.
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Optical Communication Solution Provider
High-Speed Optical Module Solutions for Global Data Centers
From 155M SFP to 1.6T OSFP — a rich matrix of optical modules & devices, with customized technical services, strict factory testing and rapid response to optical interconnect needs.
155M – 1.6T Data RatesData rates covered
18 Product SeriesSeries in stock
ISO 9001 / 14001 / 45001Management systems
Worldwide DeliveryExport markets
Engineering-led sales 100% pre-shipment testing OEM & ODM coding Fast sample turnaround
Frequently Specified Modules
Models our customers come back for — available for sample testing and volume supply.
Solutions
Built for the Networks You Operate
Select a scenario to see the recommended module set, link budget notes and compatibility guidance.
Data Center & DCI
Leaf-spine fabrics and inter-building links from 10G to 400G
AI Cluster Interconnect
400G – 1.6T optics for GPU fabrics: InfiniBand NDR/XDR and Ethernet
5G Fronthaul
25G and 10G BiDi optics for C-RAN and mid-haul
Metro & WDM
CWDM and DWDM modules for capacity expansion without new fibre
FTTx & Access
EPON, XGPON and XGS-PON for broadband access
Why Buyers Work With Us
Engineering-led sales
Your technical questions go to engineers, not a call queue.
Full-series supply
18 series from a single, consistent source.
100% pre-shipment testing
Every module is verified against its own specification before it leaves.
Fast sample turnaround
Samples and small lots without long qualification waits.
OEM & ODM support
EEPROM coding, labelling and custom configurations.
Responsive support
Inquiry answered within 12 working hours.
Quality You Can Audit
Our supply chain operates under ISO 9001 quality, ISO 14001 environmental and ISO 45001 occupational health and safety management systems. Optical transceivers are delivered with CE, RoHS, TUV, UL and FDA compliance.
ISO 9001ISO 14001ISO 45001CERoHSTUVULFDA
18 Product Series
Worldwide Delivery
Insights
Optical Module Insights
Selection guides, technology explainers and market analysis written for network engineers and sourcing teams.
Optical Module Datasheets: Six Numbers That Decide Whether a Link Works
Same 400G DR4 receiver, three compliant sensitivity figures 2 dB apart. The six datasheet numbers that decide a link, read the way a buyer should.
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What Is an SFP Module? Complete Guide to SFP Ports
A finger-sized transceiver that turns electrical signals into light. How the SFP family works, and how to match the right module to your link.
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