Welcome to 100Glight
QSFP28 Transceivers: Engineered for Scalable Data Centers
Predictable 100G Performance | Seamless Compatibility | Rigorously Proven Reliability
23 Years of Manufacturing Expertise Your Trusted OEM Partner for Copper Modules
Scalable from 100M to 10G. Supports all major chipsets (Marvell, Broadcom, Realtek). Reliable, direct-from-manufacturer delivery.
Every Product, Rigorously Proven for Reliability
● Validated on Industry-Leading Equipment ● Fully Certified for Performance & Compatibility ● Built for Long-Term, Trouble-Free Operation
One-Stop FTTD: From Server Room to Desktop, Seamlessly
Eliminate complexity. Experience unparalleled performance, simplicity, and a single point of accountability.
Data Center Switches
Fortify the performance backbone of your AI and cloud applications. Engineered for zero-downtime reliability and wire-speed throughput.
Optical Transceiver
AOC/DAC
NIC
Multiplexers
Switches
Industrial Switches
POE Switches
Other Transmission Equipment
QSFP28-100G-LH4 100GBASE QSFP28 20KM 1295~1310nm Dual LC SM DDM Optical Transceiver Module
QSFP28-100G-ER4 Lite 100GBASE QSFP28 30KM LWDM Dual LC SM DDM Optical Transceiver Module
Tested Optics You Can Trust
Every Transceiver Is Tested To The Exact Specifications Of Our Customer's Environment.
100G Optical Module Server NIC and Switch Compatibility Test
Test and verify the connection adaptation transmission stability and overall compatibility of 100G optical modules between server NICs and switches.
25G SR Multimode Optical Module Compatibility Test
Real world testing of 25G SR optical modules to verify device compatibility and high speed transmission stability.
10G Copper Module Strict Full Item Test 100% Passed
Standard professional detection for 10G copper modules all tests passed with stable connection and great compatibility.
Why Choose 100Glight?
Innovation Focused, Quality Driven.
Factory-Direct Modules
Built in the same plants as tier-10EMs
Vendor-Agnostic Coding
Pre-programmed for your exact hardware
100% Testing Before Shipping
Eliminates dead-on-arrival risk
No Brand Premiums
Pay for performance, not a logo
Engineer-to-Engineer Support
Pay for performance, not a logo
22+ Years of Trust
Supplying connectivity solutions since 2003
Customer Success Stories
Resources
Avoid Costly Mistakes with 40G QSFP Transceiver Solutions for High-Bandwidth Network Applications
Image Source: statics.mylandingpages.co Avoiding costly mistakes with 40g qsfp transceiver solutions for high-bandwidth network applications comes down to three habits: verify compatibility before buying, handle and insert modules correctly, and follow a routine cleaning and monitoring schedule. Most 40g qsfp+ transceiver failures are preven
2026/10/18
SFP vs SFP+ vs SFP28 A Comparison for Modern Fiber Networks in 2026
Image Source: statics.mylandingpages.co Network engineers often confuse SFP, SFP+, and SFP28 modules because they look identical. Each module supports a different speed: SFP handles 1G, SFP+ handles 10G, and SFP28 handles 25G. The shared physical size creates most deployment mistakes. A technician must match module speed to switch port speed
2026/10/17
The Ultimate Guide to Choosing a 10GB SFP Module for Your Data Center
Image Source: statics.mylandingpages.co The short answer: match the module type to the required reach and cabling, then verify equipment compatibility before purchase. This 10g sfp+ buyer’s guide identifies four decision factors: distance, cable type, equipment compatibility, and budget. Anyone asking which sfp do i need should start there.
2026/10/16
25G SFP28 Optical Transceivers: Revolutionizing Fiber Optic Technology for High-Speed Connectivity
25G SFP28 Optical Transceivers: Revolutionizing Fiber Optic Technology Table of Contents 1. Introduction to 25G SFP28 Optical Transceivers 2. Understanding SFP28 Technology 3. Benefits of 25G SFP28 Optical Transceivers 4. Applications of 25G SFP28 Transceivers 5. Technical Specifications of 25G SFP28 Optical Transceivers 6. Installation and Setup of 25G SFP28 Transceivers 7. Compari
2026/10/13
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