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H3C Compatible 400GBASE-DR4 QSFP-DD PAM4 1310nm 500m DOM MPO-12/APC SMF Optical Transceiver Module, Breakout to 4 x 100G-DR
H3C Compatible 400GBASE-DR4 QSFP-DD PAM4 1310nm 500m DOM MPO-12/APC SMF Optical Transceiver Module, Breakout to 4 x 100G-DR
H3C Compatible 400GBASE-DR4 QSFP-DD PAM4 1310nm 500m DOM MPO-12/APC SMF Optical Transceiver Module, Breakout to 4 x 100G-DR
P/N: QDD-400G-DR4
US$359.00
11
Reviews
5
Questions
safeguard
4-Year Warranty
30-Day Returns
30-Day Exchange
（1000 In Stock）

Product Highlights

Built-in Inphi Chip, Max. Power Consumption 9W
Tested in Targeted Switches for Superior Performance, Quality, and Reliability
Compliant with QSFP-DD CMIS Rev5.0, QSFP-DD MSA HW Rev 5.1
Support 4x 100G Breakout to QSFP-DR-100G
Hot Pluggable QSFP-DD Form Factor
High-speed Electrical Compliant to IEEE 802.3bs
QSFP-DD Port is Backward Compatible with QSFP+, QSFP28 and QSFP56 Modules
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Specifications
Q&A
Reviews
Resources
H3C Compatible 400GBASE-DR4 QSFP-DD PAM4 1310nm 500m DOM MPO-12/APC SMF Optical Transceiver Module, Breakout to 4 x 100G-DR
The 400GBASE-DR4 module, MTP/MPO-12 connector, up to 500m over parallel single-mode fiber. It is compliant with QSFP-DD MSA, IEEE 802.3bs protocol and 400GAUI-8 standards.
The 400 Gigabit Ethernet signal is carried over four parallel lanes by one wavelength per lane. It can be used as 4x100G breakout to QSFP-DR-100G. It is a cost-effective and lower power consumption solution for 400GBASE data center.
Specifications
Part Number
QDD-400G-DR4
Vendor Name
AICPLIGHT
Form Factor
QSFP-DD
Max Data Rate
425Gbps (4x106.25Gb/s)
Wavelength
1310nm
Max Cable Distance
500m
Connector
MPO-12/APC
Media
SMF
Modulation Format
PAM4
Receiver Type
PIN
TX Power
-2.9~4dBm
Minimum Receiver Power
-5.9dBm
Power Budget
3dB
Receiver Overload
4.0dBm
Max Power Consumption
9W
Extinction Ratio
3.5dB
DDM/DOM
Supported
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Modulation (Electrical)
8x50G-PAM4
Modulation (Optical)
4x100G-PAM4
BER
2.4x10^-4
Inbuilt FEC
No
Protocols
IEEE 802.3bs, QSFP-DD CMIS Rev 5.0, QSFP-DD MSA HW Rev 5.1
Warranty
5 Years
Certification
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Questions & Answers
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All (5) Application (1)Compatibility (1)Performance (3)
Q:

Are these suitable for edge computing?

by N***m on 2025-07-08 13:27:02

A:

Yes, compact and high-performance modules are available for edge devices.

by Helpful on 2025-07-08 13:54:11

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comment icon Comment 0
Q:

What’s the signal integrity like?

by r***m on 2025-07-08 13:25:56

A:

Excellent signal integrity is maintained across rated distances.

by Helpful on 2025-07-08 14:04:38

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comment icon Comment 0
Q:

Do these cables support PAM4 modulation?

by y***m on 2025-07-08 13:15:34

A:

Yes, many modules and cables support PAM4 encoding.

by Helpful on 2025-07-08 14:05:16

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Q:

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

by v***m on 2025-07-08 13:12:48

A:

Typical BER is under normal operation.

by CPLIGHT on 2025-07-08 14:03:30

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Q:

Is it compatible with breakout configurations?

by w***m on 2025-07-08 12:43:42

A:

Yes, we support various breakout and parallel transmission structures.

by CPLIGHT on 2025-07-08 13:50:48

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Customer Reviews
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All (11) Performance (3)Compatibility (2)Ease of Use (4)Customer Support (2)
k
k***m
2025-07-05 16:13:00
Confirmed Purchase
5.0

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

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comment icon Comment 0
O
O***m
2025-07-02 20:25:38
Confirmed Purchase
5.0

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

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comment icon Comment 0
C
C***m
2025-06-19 17:44:20
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
C
C***m
2025-06-12 22:35:09
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
X
X***m
2025-05-28 03:15:58
Confirmed Purchase
5.0

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

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comment icon Comment 0
N
N***m
2025-05-27 04:10:38
Confirmed Purchase
5.0

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

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W
W***m
2025-05-07 10:52:56
Confirmed Purchase
5.0

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

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P
P***m
2025-05-02 12:12:06
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
f
f***m
2025-04-25 09:22:36
Confirmed Purchase
5.0

Recognized immediately by our monitoring system—no configuration needed.

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i
i***m
2025-04-10 20:43:54
Confirmed Purchase
5.0

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

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A
A***m
2025-04-08 23:09:21
Confirmed Purchase
5.0

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

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