FREE SHIPPING on Orders Over US$99
About Us

English English

3m (10ft) NVIDIA/Mellanox Compatible 400G QSFP-DD to 2 x 200G QSFP56 Ethernet Active Optical Breakout Cable
3m (10ft) NVIDIA/Mellanox Compatible 400G QSFP-DD to 2 x 200G QSFP56 Ethernet Active Optical Breakout Cable
3m (10ft) NVIDIA/Mellanox Compatible 400G QSFP-DD to 2 x 200G QSFP56 Ethernet Active Optical Breakout Cable
P/N: Q2Q56-400G-A
US$422.00
5
Reviews
5
Questions
safeguard
4-Year Warranty
30-Day Returns
30-Day Exchange
（1000 In Stock）

Product Highlights

Built-in Inphi Chip, COB Packaging
Low Power Consumption <4W (200G Per End), 8W (400G Per End)
Tested in Targeted Switches for Superior Performance, Quality, and Reliability
Increased Reliability-VCSEL, No MPO Connectors, Low BER
PAM4 Modulation, Supports 400G to 2x 200G Ethernet Interoperability
Thin and Light Weight Fiber with High Air Flow for Flexible Routing
OFNP-Rated, Hot Pluggable QSFP-DD and QSFP56 MSA Compliant
See more
Specifications
Q&A
Reviews
Resources
3m (10ft) NVIDIA/Mellanox Compatible 400G QSFP-DD to 2 x 200G QSFP56 Ethernet Active Optical Breakout Cable
The 400G QSFP-DD to 2x 200G QSFP56 breakout Ethernet active optical cables operate over multi-mode fibers (MMF). This breakout cable is compliant with IEEE 802.3, QSFP-DD MSA, SFF-8024, SFF-8679, SFF-8665, OIF-CEI-04.0, and CMIS 4.0. Thin and lightweight AOC cables simplify cable management, enabling an efficient system airflow, which is critical in high-density racks. It is used extensively in cloud and supercomputers due to its low cost, high-value proposition, and increased reliability.
Specifications
Part Number
Q2Q56-400G-A
Vendor Name
AICPLIGHT
Form Factor
QSFP-DD to 2x QSFP56
Max Data Rate
425Gbps(8x53.125Gb/s)
Media
Copper
Cable Type
OM3
Cable Length
3m (10ft)
Wire AWG
30AWG
Minimum Bend Radius
30mm
Transmitter Type
VSCEL
Receiver Type
PIN
Wavelength
850nm
Power Consumption
≤8W
Jacket Material
PVC (OFNR)
CDR (Clock and Data Recovery)
TX & RX Built-in CDR
Modulation Format
8x 50G-PAM4 to Dual 4x 50G-PAM4
Temperature
0 to 70°C (32 to 158°F)
DDM/DOM
Supported
FEC Function
RS-FEC
Protocols
IEEE 802.3cd, IEEE 802.3bs, QSFP-DD MSA, SFF-8024, SFF-8679, SFF-8665, CMIS 4.0, OIF-CEI-04.0
Warranty
5 Years
Certification
Product
Product
Product
Product
Product
Product
Product
Product
Product
Product
Questions & Answers
edit icon Ask a question
All (5) Application (1)Product (1)Compatibility (1)Installation (1)Performance (1)
Q:

Are temperature variations an issue?

by U***m on 2025-07-10 10:05:33

A:

Our modules are tested for stability across wide temperature ranges.

by CPLIGHT on 2025-07-10 10:11:33

like icon Helpful 0
comment icon Comment 0
Q:

What is the operating temperature range?

by 8***m on 2025-07-10 09:59:55

A:

Most modules operate between 0°C to 70°C, with extended versions available.

by CPLIGHT on 2025-07-10 10:10:11

like icon Helpful 0
comment icon Comment 0
Q:

What should I do if there is no signal?

by W***m on 2025-07-10 09:55:11

A:

Check polarity, cleanliness, and compatibility first.

by Helpful on 2025-07-10 10:11:15

like icon Helpful 0
comment icon Comment 0
Q:

Can I use this in financial data centers?

by e***m on 2025-07-10 09:39:57

A:

Yes, they are optimized for ultra-low latency requirements.

by Helpful on 2025-07-10 10:10:56

like icon Helpful 0
comment icon Comment 0
Q:

Is it compatible with breakout configurations?

by 5***m on 2025-07-10 08:39:46

A:

Yes, we support various breakout and parallel transmission structures.

by CPLIGHT on 2025-07-10 10:10:31

like icon Helpful 0
comment icon Comment 0
Customer Reviews
edit icon Write a review
All (5) Performance (1)Compatibility (1)Ease of Use (1)Customer Support (1)Value (1)
V
V***m
2025-06-19 12:49:02
Confirmed Purchase
5.0

Fully compatible with our NVIDIA ConnectX-6 NICs and Mellanox switches. No firmware warnings or handshake delays.

link icon Helpful 0
comment icon Comment 0
a
a***m
2025-06-10 19:17:52
Confirmed Purchase
5.0

We had a shipping delay and the support team took ownership and resolved it quickly with a courier reroute.

link icon Helpful 0
comment icon Comment 0
m
m***m
2025-05-18 18:32:21
Confirmed Purchase
5.0

High-quality interconnects at a fraction of the price of branded cables. Ideal for scaling AI clusters on a budget.

link icon Helpful 0
comment icon Comment 0
L
L***m
2025-04-26 02:52:48
Confirmed Purchase
5.0

Plug-and-play experience was excellent. The cables came clean and ready for immediate deployment.

link icon Helpful 0
comment icon Comment 0
5
5***m
2025-04-17 02:05:46
Confirmed Purchase
5.0

Used in our GPU training pod (8x H100s) to connect each server node. Latency remained sub-microsecond, even with large tensor workloads.

link icon Helpful 0
comment icon Comment 0
Explore Our Extended Product Line