The 400GBASE-LR8 module, Duplex LC connector, up to 10km over parallel single-mode fiber. It is compliant to IEEE 802.3bs protocol and 400GAUI-8/CEI-56G-VSR-PAM4 standard.
The 400 Gigabit Ethernet signal is carried over eight wavelengths. Multiplexing and demultiplexing of the eight wavelengths are managed within the device.

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Cisco QDD-400G-LR8-S Compatible 400GBASE-LR8 QSFP-DD PAM4 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module
#112257
#112257
US$3,999.00
FS P/N: QSFPDD-LR8-400GImport Fees Included
FS P/N: QSFPDD-LR8-400G
185 Sold
11 Reviews
6 Questions
Transceiver Models:
22 In Global Warehouse, Get It By Dec 19, 2023
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Deliver to New York, 10010
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5-Year Warranty
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Specifications
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Cisco QDD-400G-LR8-S Compatible 400GBASE-LR8 QSFP-DD PAM4 1310nm 10km DOM Optical Transceiver Module (SMF, 1310nm, 10km, LC, DOM)
Specifications
Cisco Compatible
QDD-400G-LR8-S
Vendor Name
FS
Form Factor
QSFP-DD
Max Data Rate
425Gbps
Wavelength
1310nm
Max Cable Distance
10km
Connector
Duplex LC (UPC)
Media
SMF
Transmitter Type
LWDM EML
Receiver Type
PIN
TX Power
-2.8~5.3dBm
RX Power
-9.1~5.3dBm
Powerbudget
6.3dB
Modulation
8x 50G PAM4
Power Consumption
≤10W
Extinction Ratio
3.5dB
DDM/DOM
Supported
Commercial Temperature Range
0 to 70°C (32 to 158°F)
DSP
TX and RX
Inbuilt FEC
No
Core Size
G.652/9um
Packaging Technology
BOX
Protocols
IEEE 802.3bs, QSFP-DD MSA, CMIS 4.1
Warranty
5 Years
Quality Testing Program
Quality Testing Program

Optical Transceivers Testing Learn more
Quality Certifications
To get the detailed certification, please go to the Product Compliance Status for download.
Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.
Connectivity Solutions
Point-to-Point Transmission

Telecom Network Architecture

See more
Point-to-Point Transmission

Telecom Network Architecture

Leaf-spine Connections

400G Structured Cabling Connections

Features
Leading Performance and Quality for 400G
Built-in Inphi DSP Chip, the QSFP-DD transceiver offers high-speed, and low-power in 400G links.
Inphi DSP Chip
Stable Transmission
≤10W
Low Power Consumption
400Gbps
High Bandwidth
Tested in Host Devices for Proven Interoperability
Every unit is quality tested for compatibility in the targeted switch environment, which guarantees flawless operations.

Comprehensive Testing Increases Reliability
Qualified through a rigorous process with advanced equipments to ensure you get the high quality and reliable optics.
Optical Spectrum Test
No Packet Loss & CRC
TDECQ Test
1.68dB
Bit Error Rate Test
BER 2.4E-4
Temperature Test
0~70°C
Center Wavelength | 1310nm | 1310nm | 1310nm | 1310nm |
Connector | Duplex LC | Duplex LC | Duplex LC | MTP/MPO-8 MTP/MPO-12(8 of the 12 Fibers Used) |
Cable Distance (Max.) | 10km@SMF | 10km@SMF | 10km@SMF | 10km@SMF |
Modulation | 8x 50G PAM4 | 8x 50G PAM4 | 8x 50G PAM4 | 8x 50G PAM4 |
DSP | Inphi DSP | Inphi DSP | Inphi DSP | Inphi DSP |
Power Consumption | ≤10W | ≤10W | ≤10W | ≤10W |
Transmitter Type | LWDM EML | EML | CWDM EML | EML |
Packaging Technology | BOX | BOX | COB | COB |
Protocols | QSFP-DD MSA, CMIS Rev4.1, OIF 56G PAM4, IEEE 802.3bs | OSFP MSA, CMIS Rev 4.0, IEEE 802.3bs | QSFP-DD MSA, CMIS Rev4.1, OIF 56G PAM4,100G Lambda MSA, IEEE 802.3bs | QSFP-DD MSA, CMIS Rev4.0, OIF 56G PAM4, 100G Lambda MSA, IEEE 802.3cu |
Application | Data Center | Data Center | Data Center | Data Center 400G to 4x100G Breakout |
Videos
Specifications
Cisco QDD-400G-LR8-S Compatible 400GBASE-LR8 QSFP-DD PAM4 1310nm 10km DOM Optical Transceiver Module (SMF, 1310nm, 10km, LC, DOM)
The 400GBASE-LR8 module, Duplex LC connector, up to 10km over parallel single-mode fiber. It is compliant to IEEE 802.3bs protocol and 400GAUI-8/CEI-56G-VSR-PAM4 standard.
The 400 Gigabit Ethernet signal is carried over eight wavelengths. Multiplexing and demultiplexing of the eight wavelengths are managed within the device.
Specifications
Cisco Compatible
QDD-400G-LR8-S
Vendor Name
FS
Form Factor
QSFP-DD
Max Data Rate
425Gbps
Wavelength
1310nm
Max Cable Distance
10km
Connector
Duplex LC (UPC)
Media
SMF
Transmitter Type
LWDM EML
Receiver Type
PIN
TX Power
-2.8~5.3dBm
RX Power
-9.1~5.3dBm
Powerbudget
6.3dB
Modulation
8x 50G PAM4
Power Consumption
≤10W
Extinction Ratio
3.5dB
DDM/DOM
Supported
Commercial Temperature Range
0 to 70°C (32 to 158°F)
DSP
TX and RX
Inbuilt FEC
No
Core Size
G.652/9um
Packaging Technology
BOX
Protocols
IEEE 802.3bs, QSFP-DD MSA, CMIS 4.1
Warranty
5 Years
Quality Testing Program
Quality Testing Program

Optical Transceivers Testing Learn more
Quality Certifications
To get the detailed certification, please go to the Product Compliance Status for download.
Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.
Connectivity Solutions
Point-to-Point Transmission

Telecom Network Architecture

See more
Point-to-Point Transmission

Telecom Network Architecture

Leaf-spine Connections

400G Structured Cabling Connections

Features
Leading Performance and Quality for 400G
Built-in Inphi DSP Chip, the QSFP-DD transceiver offers high-speed, and low-power in 400G links.
Inphi DSP Chip
Stable Transmission
≤10W
Low Power Consumption
400Gbps
High Bandwidth
Tested in Host Devices for Proven Interoperability
Every unit is quality tested for compatibility in the targeted switch environment, which guarantees flawless operations.

Comprehensive Testing Increases Reliability
Qualified through a rigorous process with advanced equipments to ensure you get the high quality and reliable optics.
Optical Spectrum Test
No Packet Loss & CRC
TDECQ Test
1.68dB
Bit Error Rate Test
BER 2.4E-4
Temperature Test
0~70°C
Center Wavelength | 1310nm | 1310nm | 1310nm | 1310nm |
Connector | Duplex LC | Duplex LC | Duplex LC | MTP/MPO-8 MTP/MPO-12(8 of the 12 Fibers Used) |
Cable Distance (Max.) | 10km@SMF | 10km@SMF | 10km@SMF | 10km@SMF |
Modulation | 8x 50G PAM4 | 8x 50G PAM4 | 8x 50G PAM4 | 8x 50G PAM4 |
DSP | Inphi DSP | Inphi DSP | Inphi DSP | Inphi DSP |
Power Consumption | ≤10W | ≤10W | ≤10W | ≤10W |
Transmitter Type | LWDM EML | EML | CWDM EML | EML |
Packaging Technology | BOX | BOX | COB | COB |
Protocols | QSFP-DD MSA, CMIS Rev4.1, OIF 56G PAM4, IEEE 802.3bs | OSFP MSA, CMIS Rev 4.0, IEEE 802.3bs | QSFP-DD MSA, CMIS Rev4.1, OIF 56G PAM4,100G Lambda MSA, IEEE 802.3bs | QSFP-DD MSA, CMIS Rev4.0, OIF 56G PAM4, 100G Lambda MSA, IEEE 802.3cu |
Application | Data Center | Data Center | Data Center | Data Center 400G to 4x100G Breakout |
Videos
Questions & Answers
All (6)Cisco Series (2)Compatible Modules (1)Optical Signal (1)PAM4 (1)Product Comparison (1)Transmission Distance (1)
Customer Reviews
H***z
Australia
October 20, 2023
Every Module works fine without any error.
Verified Purchase
Helpful 1
Comment 0w***r
Singapore
October 19, 2023
The connect does look good. We appreciate your ability to get what we need and how capable your company is.
Verified Purchase
Helpful 2
Comment 0J***e
United States
May 13, 2023
Everything looks good, your technician did an excellent job configuring it and it all went well.
Verified Purchase
Helpful 0
Comment 0See all reviews
Resources
US$3,999.00
22 In Global Warehouse