FREE SHIPPING on Orders Over US$99
About Us

English English

Cisco QDD-400G-SR8-S Compatible 400GBASE-SR8 QSFP-DD PAM4 850nm 100m DOM MPO-16/APC MMF Optical Transceiver Module, Breakout to 2 × 200G-SR4 and 8 × 50G-SR
Cisco QDD-400G-SR8-S Compatible 400GBASE-SR8 QSFP-DD PAM4 850nm 100m DOM MPO-16/APC MMF Optical Transceiver Module, Breakout to 2 × 200G-SR4 and 8 × 50G-SR
Cisco QDD-400G-SR8-S Compatible 400GBASE-SR8 QSFP-DD PAM4 850nm 100m DOM MPO-16/APC MMF Optical Transceiver Module, Breakout to 2 × 200G-SR4 and 8 × 50G-SR
P/N: QDD-400G-SR8
US$1300.00
7
Reviews
3
Questions
safeguard
4-Year Warranty
30-Day Returns
30-Day Exchange

Product Highlights

Built-in Inphi DSP Chip, Max. Power Consumption 10W
Tested in Targeted Switches for Superior Performance, Quality, and Reliability
Compliant with QSFP-DD MSA CMIS Rev4.0, OIF 56G PAM4
Hot Pluggable QSFP-DD Form Factor
High-speed Electrical Compliant to IEEE 802.3cd
8x 50G PAM4 Retimed 400GAUI-8 Electrical Interface
QSFP-DD Port is Backward Compatible with QSFP+, QSFP28 and QSFP56 Modules
See more
Specifications
Q&A
Reviews
Resources
Cisco QDD-400G-SR8-S Compatible 400GBASE-SR8 QSFP-DD PAM4 850nm 100m DOM MPO-16/APC MMF Optical Transceiver Module, Breakout to 2 × 200G-SR4 and 8 × 50G-SR
The 400GBASE-SR8 module, MTP/MPO-16 connector, up to 100m over parallel OM4 multi-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. And it can Support 2× 200G-SR4 and 8× 50G-SR.
Specifications
Cisco Compatible
QDD-400G-SR8-S
Vendor Name
CPLIGHT
Form Factor
QSFP-DD
Max Data Rate
400Gbps
Wavelength
850nm
Max Cable Distance
70m@OM3/100m@OM4
Connector
MPO-16/APC
Media
MMF
Transmitter Type
VCSEL 850nm
Receiver Type
PIN
TX Power
-6~4dBm
Minimum Receiver Power
-7.9dBm
Power Budget
1.9dB
Receiver Overload
4dBm
Max Power Consumption
10W
Extinction Ratio
3dB
DDM/DOM
Supported
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Modulation (Electrical)
8x50G-PAM4
Modulation (Optical)
8x50G-PAM4
CDR (Clock and Data Recovery)
TX & RX
Inbuilt FEC
No
Core Size
50/125µm
Packaging Technology
COB
Protocols
IEEE 802.3cd, QSFP-DD MSA, CMIS 4.0
Warranty
5 Years
Certification
Product
Product
Product
Product
Product
Product
Product
Product
Product
Product
Questions & Answers
edit icon Ask a question
All (3) params (3)
Q:

666

by T***m on 2025-07-08 15:47:06

A:

666

by Helpful on 2025-07-08 16:49:39

like icon Helpful 0
comment icon Comment 0
Q:

66

by G***m on 2025-06-17 15:18:47

A:

66

by CPLIGHT on 2025-06-17 15:18:47

like icon Helpful 0
comment icon Comment 0
Q:

ddd

by m***m on 2025-06-17 09:24:39

A:

dddddddddddd

by Helpful on 2025-06-17 09:24:39

like icon Helpful 0
comment icon Comment 0
Customer Reviews
edit icon Write a review
All (7) 888222ddd (2)test2 (2)
a
a***m
2025-06-21 00:28:35
Not Purchased
5.0

ssss

link icon Helpful 0
comment icon Comment 0
x
x***m
2025-06-12 19:19:35
Not Purchased
5.0

ddddd

link icon Helpful 0
comment icon Comment 0
R
R***m
2025-05-29 09:53:28
Not Purchased
5.0

sssss

link icon Helpful 0
comment icon Comment 0
c
c***m
2025-05-29 06:25:40
Not Purchased
5.0

发放打底衫

link icon Helpful 0
comment icon Comment 0
w
w***m
2025-05-18 14:51:38
Not Purchased
5.0

sad sad

link icon Helpful 0
comment icon Comment 0
x
x***m
2025-05-17 20:00:15
Not Purchased
5.0

www

link icon Helpful 0
comment icon Comment 0
p
p***m
2025-05-13 19:10:22
Not Purchased
3.0

www

link icon Helpful 0
comment icon Comment 0
Explore Our Extended Product Line