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Name:

QDD-400G-FR4-S

Description:
400G QSFP-DD Transceiver,400G-FR4,Duplex LC,2km Duplex SMF
Rating:
4.4(7)
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Brand:
Cisco
GTIN:
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List Price:

$6,516.00

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$3,436.0047.3% off

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QDD-2X100-CWDM4-S

QDD-2X100-SR4-S

QDD-400G-LR8-S

QDD-400G-DR4-S

QDD-400-CU2M

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QDD-400G-FR4-S

400G QSFP-DD Transceiver,400G-FR4,Duplex LC,2km Duplex SMF

$6,516.00 $3,436.0047.3% off

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QDD-400G-FR4-S Overview

QDD-400G-FR4-S is a 400G Ethernet transceiver module built in a QSFP-DD form factor that delivers a high-speed data rate of 400G. It features LC connectors for optical fiber communication and supports Ethernet protocols, making it ideal for use in data centers, telecom networks, and enterprise environments. The module is engineered for long-range optical transmission over single-mode fiber, meeting the rigorous demands of high-density networking applications.

QDD-400G-FR4-S is designed with compact, industry-standard physical dimensions that ensure seamless integration into modern high-speed switching architectures. Built for robust performance and reliability, this transceiver is optimized for long-reach connectivity while maintaining efficient power consumption and thermal performance; it provides a dependable solution for carriers and network equipment vendors requiring consistent, scalable 400G connectivity.

QDD-400G-FR4-S price is $3,436.00, a 47.3% saving from the Cisco list price of $6,516.00. QDD-400G-FR4-S is in stock and available for next-day dispatch. (terms applied)

Request bulk order quote for QDD-400G-FR4-S for additional pricing. Browse the full Cisco 400G Optical Modules series or explore all Cisco products.

QDD-400G-FR4-S Specifications

Power Consumption
15W
Product Type
Transceiver
Connector Type
LC
Supported Protocols
Ethernet
Network Interface
Fiber
Operating Temperature
0 to 70°C
Storage Temperature
-40 to 85°C
Input Voltage
3.3V
Compatibility
Cisco / Juniper / Huawei / Arista
Wavelength
1310 nm
Transmission Distance
Long-Range
Fiber Type
Single-mode
Height
0.55 inches
Weight
0.08 lbs
Max Distance
2 km
Width
0.71 inches
Form Factor
QSFP-DD
Data Rate
400G
Product Name
QDD-400G-FR4-S
Depth
3.94 inches

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

ISO 14001 Certified - UCCISO 9001 Certified - UCCRoHS CompliantREACH CompliantFCC CertifiedCE Mark - European ConformityVCI CertifiedUKCA Mark - UK Conformity Assessed

Product Comparison Table

400G QSFP-DD Transceiver,400G-FR4,Duplex LC,2km Duplex SMFQDD-400G-FR4-S400G Passive Cable, 2mQDD-400-CU2M400G QSFP-DD Tranceiver, 400GBASE-LR8, Duplex LC, 10km DuplexQDD-400G-LR8-SQSFP-DD Transceiver, 2X 100G CWDM4, 2X Duplex CS, 2km SMFQDD-2X100-CWDM4-S400G QSFP-DD Transceiver, 400GBASE-DR4, MPO-12,500m parallelQDD-400G-DR4-S
CompatibilityCisco / Juniper / Huawei / AristaCisco / Juniper / Huawei / AristaCisco / Juniper / Huawei / AristaCisco / Juniper / Huawei / AristaCisco, Juniper, Huawei, Arista
Connector TypeLCTwinaxialLCLCLC
Data Rate400G400G400G100G400G
Depth3.94 inchesN/A1.68 inches1.78 inches2.20 inches
Fiber TypeSingle-modeN/ASingle-modeSingle-modeMulti-mode
Form FactorQSFP-DDQSFP-DDQSFP-DDQSFP28QSFP-DD
Height0.55 inchesN/A0.80 inches0.67 inches0.44 inches
Input Voltage3.3VN/A3.3V3.3V3.3V
Max Distance2 km2 meters10 km2000 meters500 meters
Network InterfaceFiberEthernetEthernetFiberEthernet
Operating Temperature0 to 70°C0 to 70°C0 to 70°C0 to 70°C0 to 70°C
Power Consumption15WN/A20 W6 WN/A
Product NameQDD-400G-FR4-SQDD-400-CU2MQDD-400G-LR8-SQDD-2X100-CWDM4-SQDD-400G-DR4-S
Product TypeTransceiverTransceiverTransceiverTransceiverTransceiver
Storage Temperature-40 to 85°C-40 to 85°C-40 to 85°C-40 to 85°C-40 to 85°C
Supported ProtocolsEthernetEthernetEthernetEthernet / Fibre ChannelEthernet, Fibre Channel
Transmission DistanceLong-RangeShort-RangeLong-RangeShort-RangeShort-Range
Wavelength1310 nmN/A1310 nm1271/1291/1311/1331 nmN/A
Weight0.08 lbsN/A0.25 lbs0.34 lbs0.12 lbs
Width0.71 inchesN/A0.66 inches0.98 inches0.85 inches

Reviews & Ratings

B
Blake Sanderson
5

Strong 2km SMF performance with consistent 400G throughput. Perfect for campus and metro connectivity.

A
Aaron Kingsley
4

Stable link performance and easy configuration. Great balance of reach and efficiency.

C
Cameron Rutledge
5

Reliable FR4 optics for medium range deployment. Maintains steady bandwidth under load.

N
Nathaniel Brooke
3

Compact and efficient 400G solution. Delivered predictable performance across our fiber runs.

L
Liam Hartford
4

Installed quickly and operated flawlessly. No signal instability during peak utilization.

I
Isaac Rowland
5

Excellent optical consistency and low error rates. Ideal for enterprise data center links.

J
Jordan Pembroke
5

Consistent 2km connectivity and strong interoperability. Highly satisfied with reliability.

Questions & Answers

What is the QDD-400G-FR4-S 400G QSFP-DD transceiver?

The QDD-400G-FR4-S is a 400 Gb/s QSFP-DD optical transceiver supporting 4×100 G lanes over duplex LC SMF for up to 2 km.

Which fiber type does the QDD-400G-FR4-S support?

It supports single-mode fiber (SMF) using duplex LC connectors for FR4 1310 nm transmission.

What is the maximum reach of the 400G-FR4 transceiver?

The transceiver delivers reliable links up to 2 km over standard single-mode fiber.

Which networking platforms are compatible with QDD-400G-FR4-S?

It is interoperable with all QSFP-DD–compliant switches, routers, and network interface cards from major vendors.

Related Searches

QDD-2X100-CWDM4-SQDD-2X100-SR4-SQDD-400G-LR8-SQDD-400G-DR4-SQDD-400-CU2M
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