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Generic 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
Generic 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
Generic 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
4
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
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Specifications
Q&A
Reviews
Resources
Generic 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
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Questions & Answers
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All (4) Application (1)Product (2)Installation (1)
Q:

How should cables be routed in a high-density rack?

by Z***m on 2025-07-08 14:18:41

A:

Use cable managers to maintain airflow and prevent bending.

by CPLIGHT on 2025-07-08 15:38:22

like icon Helpful 0
comment icon Comment 0
Q:

Can these be used in harsh environments?

by C***m on 2025-07-08 14:09:29

A:

We offer industrial-grade models for rugged applications.

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

like icon Helpful 0
comment icon Comment 0
Q:

Do you offer custom labeling or OEM branding?

by r***m on 2025-07-08 13:58:30

A:

Yes, OEM branding and custom labeling are available upon request.

by Helpful on 2025-07-08 15:10:02

like icon Helpful 0
comment icon Comment 0
Q:

Is this product compliant with industry standards?

by H***m on 2025-07-08 13:42:27

A:

Yes, all modules meet international compliance and interoperability standards.

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

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Customer Reviews
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All (12) Performance (3)Compatibility (2)Ease of Use (4)Customer Support (3)
9
9***m
2025-06-30 23:48:18
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
K
K***m
2025-06-20 06:24:51
Confirmed Purchase
5.0

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

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comment icon Comment 0
X
X***m
2025-06-18 02:25:36
Confirmed Purchase
5.0

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

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comment icon Comment 0
c
c***m
2025-06-15 20:52:04
Confirmed Purchase
5.0

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

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t
t***m
2025-06-06 13:21:00
Confirmed Purchase
5.0

Recognized immediately by our monitoring system—no configuration needed.

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comment icon Comment 0
Z
Z***m
2025-06-06 02:39:35
Confirmed Purchase
5.0

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

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comment icon Comment 0
l
l***m
2025-06-03 23:46:27
Confirmed Purchase
5.0

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

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z
z***m
2025-05-27 09:34:54
Confirmed Purchase
5.0

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

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K
K***m
2025-05-15 05:02:24
Confirmed Purchase
5.0

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

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2
2***m
2025-05-05 01:15:18
Confirmed Purchase
5.0

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

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1
1***m
2025-04-28 19:57:04
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
t
t***m
2025-04-23 00:45:11
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
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