FREE SHIPPING on Orders Over US$99
About Us

English English

Huawei 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
Huawei 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
Huawei 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$189.00
12
Reviews
5
Questions
safeguard
4-Year Warranty
30-Day Returns
30-Day Exchange
（1000 In Stock）

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
Huawei 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
Part Number
QDD-400G-SR8
Vendor Name
AICPLIGHT
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 (5) Application (1)Compatibility (1)Installation (1)Performance (2)
Q:

Do the modules support FEC?

by G***m on 2025-07-08 15:02:36

A:

Yes, forward error correction is supported.

by Helpful on 2025-07-08 15:45:03

like icon Helpful 0
comment icon Comment 0
Q:

Can these be used in harsh environments?

by h***m on 2025-07-08 14:51:41

A:

We offer industrial-grade models for rugged applications.

by CPLIGHT on 2025-07-08 15:34:01

like icon Helpful 0
comment icon Comment 0
Q:

Do these cables support PAM4 modulation?

by D***m on 2025-07-08 14:46:49

A:

Yes, many modules and cables support PAM4 encoding.

by CPLIGHT on 2025-07-08 15:46:13

like icon Helpful 0
comment icon Comment 0
Q:

How do I verify the module is working?

by S***m on 2025-07-08 14:09:22

A:

Use switch CLI or monitoring tools to check link status.

by CPLIGHT on 2025-07-08 15:39:04

like icon Helpful 0
comment icon Comment 0
Q:

What cable types are supported?

by v***m on 2025-07-08 14:08:34

A:

Supported cables include OS2, OM3, OM4, and OM5.

by CPLIGHT on 2025-07-08 15:17:55

like icon Helpful 0
comment icon Comment 0
Customer Reviews
edit icon Write a review
All (12) Performance (3)Compatibility (2)Ease of Use (4)Customer Support (3)
a
a***m
2025-06-30 08:56:35
Confirmed Purchase
5.0

The plug-and-play functionality helped speed up our Ethernet DCI rollout significantly.

link icon Helpful 0
comment icon Comment 0
H
H***m
2025-06-27 22:06:25
Confirmed Purchase
5.0

The signal quality remains intact even at extended range over single-mode fiber.

link icon Helpful 0
comment icon Comment 0
r
r***m
2025-06-20 14:20:08
Confirmed Purchase
5.0

After deployment, support followed up to ensure the modules had passed our internal benchmarks.

link icon Helpful 0
comment icon Comment 0
i
i***m
2025-06-16 14:20:38
Confirmed Purchase
5.0

Technical support provided clear guidance on 800G-to-2x400G breakouts for our aggregation layer.

link icon Helpful 0
comment icon Comment 0
7
7***m
2025-06-13 18:50:03
Confirmed Purchase
5.0

Ideal for large-scale cloud and DCI applications—maintains excellent performance across long-haul distances.

link icon Helpful 0
comment icon Comment 0
b
b***m
2025-06-01 18:58:09
Confirmed Purchase
5.0

The pre-sales consultation was detailed and tailored to our specific data center needs. Very professional experience.

link icon Helpful 0
comment icon Comment 0
M
M***m
2025-05-17 15:17:13
Confirmed Purchase
5.0

These modules were pre-programmed and ready to install out of the box—zero configuration needed.

link icon Helpful 0
comment icon Comment 0
Y
Y***m
2025-05-11 07:25:54
Confirmed Purchase
5.0

These Ethernet modules run flawlessly under sustained 800G load, with consistent throughput and thermal stability.

link icon Helpful 0
comment icon Comment 0
1
1***m
2025-05-10 20:04:04
Confirmed Purchase
5.0

The latch design makes removal and re-insertion quick even in tight spaces.

link icon Helpful 0
comment icon Comment 0
8
8***m
2025-05-03 10:28:48
Confirmed Purchase
5.0

Recognized immediately by our monitoring system—no configuration needed.

link icon Helpful 0
comment icon Comment 0
V
V***m
2025-04-26 00:07:04
Confirmed Purchase
5.0

These modules were pre-programmed and ready to install out of the box—zero configuration needed.

link icon Helpful 0
comment icon Comment 0
S
S***m
2025-04-12 08:49:01
Confirmed Purchase
5.0

Fully interoperable with Arista, Dell, and white-box switches in our lab.

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