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QDD-400G-FR4-S-C
400G QSFP-DD Transceiver, 400G-FR4, LC 2km SMF Cisco Compati...
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QDD-400G-FR4-S-C is a 400G QSFP-DD optical transceiver built for high-speed Ethernet applications in data centers, enterprise networks, and telecom environments. It supports a 400G data rate with LC connectors and is optimized for single-mode fiber, enabling long-range transmission distances up to 2 km.
Designed with a compact QSFP-DD form factor and precise physical dimensions, QDD-400G-FR4-S-C ensures seamless integration into next-generation networking infrastructures. Its robust performance and adherence to industry standards make it an ideal solution for applications that demand high bandwidth, low latency, and reliable connectivity.
QDD-400G-FR4-S-C price is is available on request. Get immediate quote.
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| Product Type | Transceiver | Transceiver |
| Form Factor | QSFP-DD | QSFP-DD |
| Data Rate | 400G | 400G |
| Connector Type | LC | LC |
| Wavelength | 1310 nm | 1310 nm |
| Transmission Distance | Long-Range | Short-Range |
| Fiber Type | Single-mode | Single-mode |
| Max Distance | 2 km | 2 km |
| Supported Protocols | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber |
| Power Consumption | 25W | 15 W |
| Operating Temperature | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V |
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | QDD-400G-FR4-S-C | QDD-400G-DR4-S-C |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Flawless 400G FR4 performance over 2km. This module is stable and maintains impressive signal clarity on SMF. Seamless recognition by our Cisco QDD hardware.
Exceptional 400G signaling for campus distances. This FR4 transceiver is a dependable choice for our core-to-core links. Stable, high-performing, and easy to deploy.
Consistent 400Gbps throughput. The LC connection is reliable and the build quality is professional. Perfect for our 2km high-speed fiber spans. Highly satisfied.
Reliable and high-quality 400G FR4 optic. It provides steady performance for our mission-critical backbone. Full Cisco compatibility ensured across our data center platforms.
Professional grade 400G FR4 transceiver. It delivers clear signals and strong power margins. An essential part of our 400G network evolution. Very impressed.
The QDD-400G-FR4-S-C supports a 400 Gbps data rate compliant with QSFP-DD MSA and IEEE 802.3bs standards.
It uses duplex single-mode fiber (SMF) with LC connectors for reliable and low-loss transmission.
This module delivers up to 2 km reach over SMF when operating at 1310 nm wavelength.
Yes. The transceiver is fully Cisco-compatible, supporting native Cisco pin-out and digital diagnostics.
It operates at the standard 1310 nm wavelength optimized for FR4 single-mode transmission.
Yes. It provides real-time DOM for monitoring optical power, temperature, and voltage via DDM interface.
Yes. The module is hot-pluggable and supports insertion/removal without powering down the host device.
It complies with QSFP-DD MSA, IEEE 802.3bs 400G-FR4, and RoHS environmental directives.
Typical power consumption is ≤ 12 W, delivering high efficiency for data center and core network applications.
It supports an industrial temperature range from 0 °C to 70 °C for reliable performance.
No. The FR4 variant is optimized for 1310 nm single-mode operation and is not designed for CWDM/DWDM grids.
Ideal for high-speed data center interconnects, metro networks, and backbone aggregation links up to 2 km.
Check the switch/router QSFP-DD slot specifications and firmware compatibility list to ensure interoperability.
Yes. It supports Reed-Solomon FEC to enhance link margin and error-free performance.
The module includes a one-year limited warranty covering defects in materials and workmanship.
Use lint-free wipes and isopropyl alcohol or a specialized fiber-optic cleaning pen to ensure low insertion loss.