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Dell Compatible 400GBASE-SR4 QSFP-DD PAM4 850nm 100m DOM MPO-12/APC MMF Ethernet Optical Transceiver Module, Breakout to 2 x 200G-SR and 4 x 100G-SR
Dell Compatible 400GBASE-SR4 QSFP-DD PAM4 850nm 100m DOM MPO-12/APC MMF Ethernet Optical Transceiver Module, Breakout to 2 x 200G-SR and 4 x 100G-SR
Dell Compatible 400GBASE-SR4 QSFP-DD PAM4 850nm 100m DOM MPO-12/APC MMF Ethernet Optical Transceiver Module, Breakout to 2 x 200G-SR and 4 x 100G-SR
P/N: QDD-400G-SR4
US$429.00
12
Reviews
5
Questions
safeguard
4-Year Warranty
30-Day Returns
30-Day Exchange
（1000 In Stock）

Product Highlights

Built-in Maxlinear Chip, Max. Power Consumption 8W
Tested in Targeted Switches for Superior Performance, Quality, and Reliability
Compliant with QSFP-DD MSA, CMIS Rev5.2
Hot Pluggable QSFP-DD Form Factor
High-speed Electrical Compliant to IEEE802.3bs
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
Dell Compatible 400GBASE-SR4 QSFP-DD PAM4 850nm 100m DOM MPO-12/APC MMF Ethernet Optical Transceiver Module, Breakout to 2 x 200G-SR and 4 x 100G-SR
The 400GBASE-SR4 module, MTP/MPO-12 connector, up to 100m over parallel OM4 multi-mode fiber. It is compliant to IEEE 802.3bs protocol and 400GAUI-8 standard.The 400 Gigabit Ethernet signal is carried over four parallel lanes by one wavelength per lane. It can support 2 x 200G-SR and 4 x 100G-SR.
Specifications
Part Number
QDD-400G-SR4
Vendor Name
AICPLIGHT
Form Factor
QSFP-DD
Max Data Rate
400Gbps
Wavelength
850nm
Max Cable Distance
60m@OM3/100m@OM4
Connector
MTP/MPO-12 (APC)
Media
MMF
Transmitter Type
VCSEL 850nm
Receiver Type
PIN
TX Power
-4.6~4dBm
RX Power
-6.3~4dBm
Max Power Consumption
8W
Extinction Ratio
2.5dB
DDM/DOM
Supported
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Modulation (Electrical)
4x100G-PAM4
Modulation (Optical)
8x50G-PAM4
CDR (Clock and Data Recovery)
TX & RX
Inbuilt FEC
Yes
Core Size
50/125µm
Packaging Technology
COB
Protocols
IEEE 802.3bs, QSFP-DD MSA, IEEE 802.3db,CMIS rev 5.2
Warranty
5 Years
Certification
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Questions & Answers
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All (5) Application (1)Product (1)Compatibility (2)Performance (1)
Q:

What’s the typical BER (Bit Error Rate)?

by P***m on 2025-07-08 15:13:26

A:

Typical BER is under normal operation.

by CPLIGHT on 2025-07-08 15:44:39

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Q:

Can I use this module in AI training environments?

by D***m on 2025-07-08 14:55:40

A:

Yes, our IB and high-speed Ethernet modules are suitable for AI workloads.

by Helpful on 2025-07-08 15:27:47

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Q:

Do I need to configure anything before installation?

by q***m on 2025-07-08 14:07:37

A:

No major configuration is required; most modules are plug-and-play.

by CPLIGHT on 2025-07-08 15:17:32

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Q:

What is the average power consumption of this transceiver?

by e***m on 2025-07-08 14:00:09

A:

The average power consumption varies by model, but it typically ranges between 3W to 12W.

by CPLIGHT on 2025-07-08 15:07:24

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Q:

Is this product compatible with NVIDIA/Infiniband switches?

by r***m on 2025-07-08 13:49:45

A:

Yes, our IB modules are fully compatible with NVIDIA switches.

by CPLIGHT on 2025-07-08 15:14:20

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Customer Reviews
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All (12) Performance (3)Compatibility (2)Ease of Use (4)Customer Support (3)
d
d***m
2025-07-02 12:09:58
Confirmed Purchase
5.0

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

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Y
Y***m
2025-06-20 21:54:52
Confirmed Purchase
5.0

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

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7
7***m
2025-06-15 06:07:31
Confirmed Purchase
5.0

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

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g
g***m
2025-05-12 01:29:40
Confirmed Purchase
5.0

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

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R
R***m
2025-05-07 22:48:10
Confirmed Purchase
5.0

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

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5
5***m
2025-04-30 00:33:14
Confirmed Purchase
5.0

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

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o
o***m
2025-04-22 20:14:06
Confirmed Purchase
5.0

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

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b
b***m
2025-04-20 06:20:48
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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x
x***m
2025-04-16 15:48:21
Confirmed Purchase
5.0

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

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C
C***m
2025-04-15 10:11:25
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
Y
Y***m
2025-04-08 03:34:34
Confirmed Purchase
5.0

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

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x
x***m
2025-04-04 13:40:02
Confirmed Purchase
5.0

Recognized immediately by our monitoring system—no configuration needed.

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