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Home / Products / Transceivers / 400G/800G Transceivers / 400G QSFP-DD / 100255

Arista QDD-400G-LR4 Compatible 400GBASE-LR4 QSFP-DD PAM4 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module

Product No :100255
US$ 582.90
Compatible
Transceivers type
13 in real-time stock, 04Jul, 2025

Free Shipping over US$ 79.8

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Add to Cart Bulk Order Quotes 
1. Hot Pluggable QSFP-DD form factor
2. Max power consumption 12W
3. Link length up to 10km via duplex LC connector
4. Built-in Inphi Macom DSP Chip
5. Compliant to QSFP-DD MSA, 100G Lambda MSA, 400GBASE LR4, OIF 56G PAM4, IEEE 802.3bs
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Specifications

Arista QDD-400G-LR4 Compatible 400GBASE-LR4 QSFP-DD 1310nm 10km DOM Optical Transceiver Module (SMF, 1310nm, 10km, LC, DOM)

 

The 400G LR4 module is designed to reach 10km distances over single-mode fiber (SMF) for 400 Gigabit Ethernet transmission. The 400 Gigabit Ethernet signal is carried over four CWDM grid optical wavelengths via a duplex LC connector.

 

QSFPTEK QDD-400G-LR4 400G QSFP-DD LR4 module is compliant with QSFP-DD MSA, 100G Lambda MSA 400G-LR4, IEEE 802.3bs, and OIF 56G PAM4 standards and is mainly applied in 400G Ethernet, Data Center, and Cloud Networks.

 

Model Name QT-QSFPDD-LR4 Vendor Name QSFPTEK
Form Factor QSFP-DD Data Rate 425 Gbps
Wavelength 1271nm,1291nm,1311nm,1331nm Distance 10km
Connector Duplex LC Cable Type SMF
Transmitter Type CWDM EML Receiver Type PIN
TX Power -2.7~5.1dBm Receiver Sensitivity <-9.0dBm
Power Consumption ≤12W Extinction Ratio 3.5dB
DDM Support Working Temperature Range 0 to 70°C (32 to 158°F)
Protocols QSFP-DD MSA Compliant Warranty 1 Year

20

Quality Testing Program
Optical Transceivers Testing

Take a look at our test program to get the reliable and high-performance optical transceivers.

Quality Certifications

Features

  • 1. High Reliablility and Best Price
    Proudly self-producing and rigorous testing, QSFPTEK is dedicated to delivering cost-effective products with high reliability and performance at trade price.
  • 2. Super High-density
    Industry’s highest bandwidth density 400G optical module for 400 Gigabit Ethernet connectivity.
  • 3. Protocols
    Compliant with QSFP-DD MSA, 100G Lambda MSA, 400GBASE LR4, OIF 56G PAM4, IEEE 802.3bs.
  • 4. Quality Certifications
    Backed by CE, FCC, ROSH, ISO9001.

Applications

400G to 400G Direct Connectivity:

Related Products:

LC UPC Duplex OS2 SMF

Product details

Various Switch Tests

 

Every module is quality tested for compatibility in the multi-brand switches environment, which guarantees flawless operations.

 

 

 

Tested in The Host Device to Prove Interoperability

 

Every unit sold undergoes rigorous quality testing, to ensure compatibility in the target switch environment, guaranteeing perfect operation.

 

QDD-400G-LR4-S compatibility test

 

 

Comprehensive Testing

 

Every module is qualified through rigorous procedures and advanced equipment to ensure high-quality and reliable optical devices for you.

 

 

 

Short to Medium Reach 400G QSFP-DD Optics Contrast Table

 

Part Number

QT-QSFP-DD-SR4

QT-QSFP-DD-SR8

QT-QSFP-DD-DR4

QT-QSFP-DD-DR4+

QT-QSFP-DD-FR4

Image

Center Wavelength

850nm

850nm

1310nm

1310nm

1310nm

Connector

MTP/MPO-12

MTP/MPO-16

MTP/MPO-12

MTP/MPO-12

Duplex LC

Cable Distance (Max.)

100m

100m

500m

2km

2km

Modulation

PAM4

PAM4

PAM4

PAM4

PAM4

Transmitter + Receiver Type

VCSEL 850nm + PIN

VCSEL 850nm + PIN

EML + PIN

EML + PIN

CWDM EML + PIN

TX Power

-4.6~4.0dBm

-6.5~4.0dBm

-2.9~4.0dBm

-3.1~4.0dBm

-3.2~3.5dBm

Receiver Sensitivity

<-6.3dBm

<-8.4dBm

<-5.9dBm

<-7.1dBm

<-7.3dBm

Power Consumption

≤8W

≤12W

≤12W

≤12W

≤12W

Temperature

0 to 70°C (32 to 158°F)

0 to 70°C (32 to 158°F)

0 to 70°C (32 to 158°F)

0 to 70°C (32 to 158°F)

0 to 70°C (32 to 158°F)

Application

Data Center

Data Center

400G to 2x200G Breakout

400G to 8x50G Breakout

Data Center

400G to 4x100G Breakout

800G to 2x400G Breakout

Data Center

400G to 4x100G Breakout

800G to 2x400G Breakout

Data Center

800G to 2x400G Breakout

  

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Resources

  • PDF Document
    QT-QSFP-DD-LR4 QDD-400G-LR4 Datasheet.pdf
  • PDF Document
    Transceiver Module User Guide.pdf
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Arista QDD-400G-LR4 Compatible 400GBASE-LR4 QSFP-DD PAM4 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module

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Transceivers type QDD-400G-LR4 | 10km

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Mark

2023-12-15
This product works well with my switch, and I plan to buy some DWDM transceivers from QT. Excellent value fo ct works well with my switch, and I plan to buy some DWDM transceivers from QT. Excellent valur money!

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Arista QDD-400G-LR4 Compatible 400GBASE-LR4 QSFP-DD PAM4 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module
US$ 582.90
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Arista
Transceivers type
QDD-400G-LR4 | 10km
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Arista QDD-400G-LR4 Compatible 400GBASE-LR4 QSFP-DD PAM4 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module

Compatible Arista

Transceivers type QDD-400G-LR4 | 10km

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