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1m (3ft) Cisco Compatible 200G QSFP56 Passive Direct Attach Copper Twinax Cable
1m (3ft) Cisco Compatible 200G QSFP56 Passive Direct Attach Copper Twinax Cable
1m (3ft) Cisco Compatible 200G QSFP56 Passive Direct Attach Copper Twinax Cable
P/N: Q56-200G-CU
US$99.00
5
Reviews
2
Questions
safeguard
4-Year Warranty
30-Day Returns
30-Day Exchange
（1000 In Stock）

Product Highlights

Max. Power Consumption 0.1W
Tested in Targeted Switches for Superior Performance, Quality, and Reliability
Minimum Bend Radius 34.5mm for Flexible Routing
Simplifies the Patching and Offers a Cost-effective Way for Short Links
Hot Pluggable QSFP56 MSA Compliant
Low Insertion Loss and Ultra-low Crosstalk for Improved Performance
RoHS Compliant
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Specifications
Q&A
Reviews
Resources
1m (3ft) Cisco Compatible 200G QSFP56 Passive Direct Attach Copper Twinax Cable
The 200G QSFP56 DAC primarily enables high-bandwidth 200G links and supports 200G Ethernet rate. It provides a QSFP56-to-QSFP56 copper direct-attach solution. 200G QSFP56 DAC cables are suitable for very short links and offer a cost-effective way to establish a 200-Gigabit link between QSFP-200G ports of switches/routers within racks and across adjacent racks.
Specifications
Part Number
Q56-200-CU
Vendor Name
AICPLIGHT
Form Factor
QSFP56 to QSFP56
Max Data Rate
200Gbps
Media
Copper
Cable Type
Passive Twinax
Cable Length
1m (3.28ft)
Wire AWG
30AWG
Minimum Bend Radius
34.5mm
Power Consumption
≤0.5W
Cable Type
Passive Twinax
MTBF
≈50 Million Hours
Jacket Material
PVC (OFNR)
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Protocols
IEEE 802.3cd, SFF-8661, SFF-8636, SFF-8417, SFF-8679
Application
200G Ethernet
Warranty
5 Years
Certification
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Questions & Answers
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All (2) Compatibility (1)Installation (1)
Q:

How should cables be routed in a high-density rack?

by G***m on 2025-07-10 15:37:29

A:

Use cable managers to maintain airflow and prevent bending.

by CPLIGHT on 2025-07-10 16:41:46

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Q:

Can these transceivers auto-negotiate with older models?

by X***m on 2025-07-10 15:24:20

A:

Yes, backward compatibility is supported in many cases.

by Helpful on 2025-07-10 16:40:25

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Customer Reviews
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All (5) Performance (1)Compatibility (1)Ease of Use (1)Value (2)
X
X***m
2025-05-31 04:43:55
Confirmed Purchase
5.0

We were able to reduce interconnect costs by nearly 50% versus OEM equivalents—critical for our lab rollout.

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q
q***m
2025-05-27 19:02:03
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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P
P***m
2025-05-07 19:16:06
Confirmed Purchase
5.0

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

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j
j***m
2025-05-01 04:32:52
Confirmed Purchase
5.0

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

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f
f***m
2025-04-21 13:44:19
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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