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2.5m(8ft) Cisco Compatible 400G QSFP-DD to 2x 200G QSFP56 Ethernet Passive Direct Attach Copper Breakout Cable
2.5m(8ft) Cisco Compatible 400G QSFP-DD to 2x 200G QSFP56 Ethernet Passive Direct Attach Copper Breakout Cable
2.5m(8ft) Cisco Compatible 400G QSFP-DD to 2x 200G QSFP56 Ethernet Passive Direct Attach Copper Breakout Cable
P/N: Q400-2Q200-C2.5
US$138.00
4
Solds
3
Reviews
4
Questions
safeguard
4-Year Warranty
30-Day Returns
30-Day Exchange
（1000 In Stock）

Product Highlights

Max. Power Consumption 0.1W Per End, and Has Near Zero-latency Delays
Tested in Targeted Switches for Superior Performance, Quality, and Reliability
Simplifies Patching and Offers a Cost-effective Way for Short Links
Supports 400G to 2x 200G Ethernet Interoperability
Hot Pluggable QSFP-DD and QSFP56 MSA Compliant
Minimum Bend Radius 33.5mm for Flexible Routing
8x50G PAM4 Retimed 400GAUI-8 Electrical Interface
Low Insertion Loss and Ultra-low Crosstalk for Improved Performance
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Specifications
Q&A
Reviews
Resources
2.5m(8ft) Cisco Compatible 400G QSFP-DD to 2x 200G QSFP56 Ethernet Passive Direct Attach Copper Breakout Cable
The 400G QSFP-DD to 2x 200G QSFP56 cable assembly is designed to meet the high density requirements of standard and combo connector configurations. QSFP-DD pluggable solutions enable 400G transmission. It is fully compliant with SFF-8679, QSFP-DD MSA, IEEE802.3bj, and IEEE802.3cd standards. QSFP-DD to 2x QSFP56 cable assemblies are high performance, high bandwidth and cost effective interconnect solutions that support 400G standard applications with different data rates. AICPLIGHT currently offers 400G QSFP-DD to 2x 200G QSFP56 DAC in lengths of 0.5, 1, 1.5, 2, 2.5, and 3 meters, ideal for SDN, ML, and Cloud Computing.
Specifications
Part Number
Q400-2Q200-C2.5
Vendor Name
AICPLIGHT
Form Factor
QSFP-DD to 2x QSFP56
Max Data Rate
400Gbps
Media
Copper
Cable Type
Passive Twinax
Cable Length
2.5m(8ft)
Wire AWG
30AWG
Minimum Bend Radius
33.5mm
Power Consumption
≤0.1W
Jacket Material
PVC(OFNR)
Temperature
0 to 70°C(32 to 158°F)
Modulation Technology
PAM4
Application
400G Ethernet
Protocols
IEEE802.3Bj, By, IEEE802.3CD, SFF-8679, SFF-8636
Warranty
5 Years
Certification
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Questions & Answers
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All (4) Application (1)Product (1)Compatibility (1)Performance (1)
Q:

Can these be used in harsh environments?

by Z***m on 2025-09-10 08:52:54

A:

We offer industrial-grade models for rugged applications.

by AICPLIGHT on 2025-09-10 09:44:16

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comment icon Comment 0
Q:

Does the product support hot-swappable installation?

by s***m on 2025-08-28 17:58:55

A:

Yes, all our transceivers are designed to be hot-swappable.

by AICPLIGHT on 2025-08-29 05:03:21

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Q:

Can these transceivers auto-negotiate with older models?

by Q***m on 2025-06-11 11:48:06

A:

Yes, backward compatibility is supported in many cases.

by AICPLIGHT on 2025-06-11 12:17:10

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comment icon Comment 0
Q:

What is the maximum distance supported?

by 4***m on 2025-05-12 03:39:03

A:

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

by AICPLIGHT on 2025-05-12 07:40:15

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Customer Reviews
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All (3) Performance (1)Ease of Use (1)Value (1)
A
A***m
2025-09-12 00:23:35
Confirmed Purchase
5.0

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

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Q
Q***m
2025-07-04 18:30:42
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.

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c
c***m
2025-06-27 09:45:40
Confirmed Purchase
5.0

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

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