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Arista Compatible 400GBASE-DR4 QSFP112 PAM4 1310nm 500m DOM MPO-12/APC SMF Optical Transceiver Module, Breakout to 4 x 100G-DR
Arista Compatible 400GBASE-DR4 QSFP112 PAM4 1310nm 500m DOM MPO-12/APC SMF Optical Transceiver Module, Breakout to 4 x 100G-DR
Arista Compatible 400GBASE-DR4 QSFP112 PAM4 1310nm 500m DOM MPO-12/APC SMF Optical Transceiver Module, Breakout to 4 x 100G-DR
P/N: Q112-400G-DR4
US$409.00
12
Reviews
4
Questions
safeguard
4-Year Warranty
30-Day Returns
30-Day Exchange
（1000 In Stock）

Product Highlights

Built-in Macom Chip, Max. power consumption 10W
Tested in Targeted Switches for Superior Performance, Quality, and Reliability
Compliant with QSFP112 MSA CMIS Rev5.0
Hot-pluggable QSFP112 Form Factor
High-speed Electrical Compliant to IEEE 802.3ck
4x106.25G PAM4 Retimed 400GAUI-4 Electrical Interface
Interoperable with other IEEE-compliant 400GBASE interfaces where applicable
Class 1 Laser Safety
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Specifications
Q&A
Reviews
Resources
Arista Compatible 400GBASE-DR4 QSFP112 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 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
Part Number
Q112-400G-DR4
Vendor Name
AICPLIGHT
Form Factor
QSFP112
Max Data Rate
425Gbps (4x106.25Gb/s)
Wavelength
1310nm
Max Cable Distance
500m
Connector
MPO-12/APC
Media
SMF
Transmitter Type
EML
Receiver Type
PIN
TX Power
-2.9~4.0dBm
Minimum Receiver Power
-5.9dBm
Power Budget
3dB
Receiver Overload
4.0dBm
Max Power Consumption
10W
Extinction Ratio
＞3.5dB
DDM/DOM
Supported
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Modulation (Electrical)
4x100G-PAM4
Modulation (Optical)
4x100G-PAM4
CDR (Clock and Data Recovery)
TX & RX
Inbuilt FEC
No
Core Size
G.652/9um
Packaging Technology
COB
Protocols
IEEE Std 802.3ck, QSFP112 MSA, CMIS 5.0
Warranty
5 Years
Certification
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Questions & Answers
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All (4) Product (1)Compatibility (1)Installation (1)Performance (1)
Q:

How do I verify the module is working?

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

A:

Use switch CLI or monitoring tools to check link status.

by Helpful on 2025-07-08 14:41:27

like icon Helpful 0
comment icon Comment 0
Q:

What is the maximum distance supported?

by w***m on 2025-07-08 13:48:14

A:

Up to 10km depending on the model and fiber type.

by CPLIGHT on 2025-07-08 14:48:33

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comment icon Comment 0
Q:

Do I need to configure anything before installation?

by 5***m on 2025-07-08 13:44:20

A:

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

by CPLIGHT on 2025-07-08 14:26:10

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comment icon Comment 0
Q:

Is this product compliant with industry standards?

by Q***m on 2025-07-08 13:10:10

A:

Yes, all modules meet international compliance and interoperability standards.

by CPLIGHT on 2025-07-08 14:16:03

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Customer Reviews
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All (12) Performance (3)Compatibility (2)Ease of Use (4)Customer Support (3)
M
M***m
2025-07-04 19:16:24
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
P
P***m
2025-06-10 14:01:13
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
t
t***m
2025-06-08 17:10:58
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
R
R***m
2025-06-03 14:03:08
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
Z
Z***m
2025-06-02 08:44:05
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
P
P***m
2025-06-01 04:32:08
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
Z
Z***m
2025-05-18 06:52:18
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
w
w***m
2025-05-02 19:25:14
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
7
7***m
2025-05-02 07:14:33
Confirmed Purchase
5.0

Recognized immediately by our monitoring system—no configuration needed.

link icon Helpful 0
comment icon Comment 0
w
w***m
2025-04-22 05:55:02
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
X
X***m
2025-04-14 18:59:23
Confirmed Purchase
5.0

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

link icon Helpful 0
comment icon Comment 0
a
a***m
2025-04-14 16:44:41
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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comment icon Comment 0
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