400G QSFP112 DR4 | Transceivers

Huawei Compatible 400GBASE-DR4 QSFP112 PAM4 1310nm 500m DOM MPO-12/APC SMF Ethernet Optical Transceiver Module

The 400GBASE-DR4 module, MTP/MPO-12 connector, up to 500m over parallel single-mode fiber. It is compliant with QSFP112 MSA, CMIS 5.0 Interface and 400GAUI-4 standards.
The built-in digital diagnostics monitoring (DDM) allows access to real-time operating parameters. It is suitable for 400G ethernet and data center interconnect applications.

Specifications

Form Factor

QSFP112

Data Rate

425Gbps

Media

SMF

Wavelength

1310nm

Connector

MTP/MPO-12 APC

Distance

500m

Transmitter Type

EML

Receiver Type

Electrical Modulation

4x 106.25 PAM4

Optical Modulation

4x 106.25 PAM4

Power Consumption

≤10.0W

Case Operating Temperature

0 to 70°C (32 to 158°F)

Protocol

400 Gigabit Ethernet 400G RoCE 400G Infiniband NDR 200G Infiniband NDR200

Application

Swicth to Switch Switch to NIC Other Optical Links

Certification

Connectivity Solutions

Huawei Switch to NIC links：400G QSFP112 to 400G QSFP112

Huawei Switch links：400G QSFP112 to 400G QSFP112

All

Huawei Switch to NIC links：400G QSFP112 to 400G QSFP112

Comparison Table

	OSFP-400G-SR4	OSFP-400G-DR4	Q112-400G-DR4	Q112-400G-SR4
Form Factor	OSFP(Flat Top)	OSFP(Flat Top)	QSFP112	QSFP112
Data Rate	425Gbps	425Gbps	425Gbps	425Gbps
Media	MMF	SMF	SMF	MMF
Wavelength	850nm	1310nm	1310nm	850nm
Connector	MTP/MPO-12 APC	MTP/MPO-12 APC	MTP/MPO-12 APC	MTP/MPO-12 APC
Distance	30m@OM3 50m@OM4	500m	500m	30m@OM3 50m@OM4
Transmitter Type	VCSEL	SMF	EML	VCSEL
Receiver Type	PIN	PIN	PIN	PIN
Electrical Modulation	4x 106.25 PAM4	4x 106.25 PAM4	4x 106.25 PAM4	4x 106.25 PAM4
Optical Modulation	4x 106.25 PAM4	4x 106.25 PAM4	4x 106.25 PAM4	4x 106.25 PAM4
Power Consumption	≤8.5W	≤9.0W	≤10.0W	≤9.0W
Case Operating Temperature	0 to 70°C (32 to 158°F)	0 to 70°C (32 to 158°F)	0 to 70°C (32 to 158°F)	0 to 70°C (32 to 158°F)
Protocol	400 Gigabit Ethernet 400G RoCE 400G Infiniband NDR 200G Infiniband NDR200	400 Gigabit Ethernet 400G RoCE 400G Infiniband NDR 200G Infiniband NDR200	400 Gigabit Ethernet 400G RoCE 400G Infiniband NDR 200G Infiniband NDR200	400 Gigabit Ethernet 400G RoCE 400G Infiniband NDR 200G Infiniband NDR200
Application	NIC to Switch NIC to NIC Other Optical Links	NIC to Switch NIC to NIC Other Optical Links	Swicth to Switch Switch to NIC Other Optical Links	Swicth to Switch Switch to NIC Other Optical Links

Form Factor

Data Rate

Media

Wavelength

Connector

Distance

Transmitter Type

Receiver Type

Electrical Modulation

Optical Modulation

Power Consumption

Case Operating Temperature

Protocol

Application

NVIDIA Compatible 400GBASE-SR4 OSFP 850nm 100m DOM MTP/MPO-12 APC MMF Transceiver Module

OSFP(Flat Top)

QSFP112

425Gbps

MMF

SMF

MMF

850nm

1310nm

850nm

MTP/MPO-12 APC

30m@OM3 50m@OM4

500m

30m@OM3 50m@OM4

VCSEL

SMF

EML

VCSEL

4x 106.25 PAM4

≤8.5W

≤9.0W

≤10.0W

≤9.0W

0 to 70°C (32 to 158°F)

400 Gigabit Ethernet 400G RoCE 400G Infiniband NDR 200G Infiniband NDR200

NIC to Switch NIC to NIC Other Optical Links

Swicth to Switch Switch to NIC Other Optical Links

Questions & Answers

Ask a question

All (5) Application (2)Compatibility (1)Installation (1)Performance (1)

Q:

How do I verify the module is working?

by 2***m on 2025-06-26 01:12:10

A:

Use switch CLI or monitoring tools to check link status.

by AICPLIGHT on 2025-06-26 05:00:00

Helpful 0

Q:

Is this product designed for enterprise LANs?

by t***m on 2025-06-23 18:20:49

A:

Yes, lower speed modules are ideal for LAN and campus networks.

by AICPLIGHT on 2025-06-24 08:07:26

Helpful 0

Q:

Can this cable be used with OSFP/QSFP-DD ports?

by Q***m on 2025-06-10 00:12:39

A:

Yes, we offer cables with a wide range of interface compatibility.

by AICPLIGHT on 2025-06-10 17:40:07

Helpful 0

Q:

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

by 9***m on 2025-04-26 23:31:48

A:

Typical BER is under normal operation.

by AICPLIGHT on 2025-04-27 00:45:46

Helpful 0

Q:

Can I use these in telecom networks?

by b***m on 2024-12-01 18:28:47

A:

Some models are suitable for telecom; please check product specs.

by AICPLIGHT on 2024-12-02 11:34:46

Helpful 0

Customer Reviews

Write a review

All (11) Performance (3)Compatibility (2)Ease of Use (4)Customer Support (2)

w

w***m

2025-07-02 19:53:16

Confirmed Purchase

5.0

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

Helpful 0

I

I***m

2025-06-28 15:12:21

Confirmed Purchase

5.0

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

Helpful 0

b

b***m

2025-06-01 10:19:26

Confirmed Purchase

5.0

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

Helpful 0

k

k***m

2025-05-25 04:52:23

Confirmed Purchase

5.0

Recognized immediately by our monitoring system—no configuration needed.

Helpful 0

1

1***m

2025-05-24 13:00:36

Confirmed Purchase

5.0

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

Helpful 0

a

a***m

2025-05-13 21:06:20

Confirmed Purchase

5.0

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

Helpful 0

d

d***m

2025-05-13 15:22:51

Confirmed Purchase

5.0

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

Helpful 0

U

U***m

2025-05-06 19:22:06

Confirmed Purchase

5.0

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

Helpful 0

n

n***m

2025-04-21 21:10:32

Confirmed Purchase

5.0

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

Helpful 0

k

k***m

2025-04-08 22:34:33

Confirmed Purchase

5.0

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

Helpful 0

3

3***m

2025-04-06 17:33:39

Confirmed Purchase

5.0

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

Helpful 0

Resources

Q112-400G-DR4 Datasheet

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