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1m (3ft) Cisco Compatible 100G QSFP28 Passive Direct Attach Copper Twinax Cable
1m (3ft) Cisco Compatible 100G QSFP28 Passive Direct Attach Copper Twinax Cable
1m (3ft) Cisco Compatible 100G QSFP28 Passive Direct Attach Copper Twinax Cable
P/N: QSFP-100G-CU
US$23.00
6
Reviews
2
Questions
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4-Year Warranty
30-Day Returns
30-Day Exchange
（1000 In Stock）

Product Highlights

Max. Power Consumption 0.5W
Tested in Targeted Switches for Superior Performance, Quality, and Reliability
Minimum Bend Radius 33.5mm for Flexible Routing
Simplifies the Patching and Offers a Cost-effective Way for Short Links
Hot Pluggable QSFP28 MSA Compliant
Low Insertion Loss and Ultra-low Crosstalk for Improved Performance
Class 1 FDA Laser Safety and RoHS-6 Compliant
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Specifications
Q&A
Reviews
Resources
1m (3ft) Cisco Compatible 100G QSFP28 Passive Direct Attach Copper Twinax Cable
The 100G QSFP28 Passive Direct Attach Copper Twinax Cable offers a cost-effective solution for establishing a 100-Gigabit link between switches' QSFP-100G ports within racks and across adjacent racks. This Direct Attach Copper cable provides low insertion loss and ultra-low crosstalk. It complies with IEEE 802.3, SFF-8662, and hot-pluggable QSFP28 MSA standards, ensuring compatibility and reliability.With its power-efficiency, this cable delivers reliable connectivity for short-distance interconnects. It enables higher port bandwidth, density and configurability at a low cost and reduced power requirement in the data centers.
Specifications
Part Number
QSFP-100G-CU
Vendor Name
AICPLIGHT
Form Factor
QSFP28 to QSFP28
Max Data Rate
100Gbps
Minimum Bend Radius
33.5mm
Wire AWG
30AWG
Cable Length
1m (3.28ft)
Jacket Material
PVC (OFNR)
Cable Type
Passive Twinax
MTBF
≈50 Million Hours
Power Consumption
≤0.5W
Power Supply
3.3V
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Protocols
IEEE 802.3,QSFP28 MSA, SFF-8662
Media
Copper
Application
100G Ethernet
Certification
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Questions & Answers
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All (2) Compatibility (1)Installation (1)
Q:

Can these transceivers auto-negotiate with older models?

by q***m on 2025-07-10 16:31:12

A:

Yes, backward compatibility is supported in many cases.

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

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Q:

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

by E***m on 2025-07-10 15:12:47

A:

Use cable managers to maintain airflow and prevent bending.

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

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Customer Reviews
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All (6) Performance (1)Compatibility (1)Ease of Use (3)Value (1)
3
3***m
2025-07-01 21:32:14
Confirmed Purchase
5.0

Pre-labeled and pre-tested AOCs made our rack wiring painless. They’re flexible enough for tight bends and clearly marked on each end.

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L
L***m
2025-07-01 10:57:01
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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s
s***m
2025-06-14 00:32:09
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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4
4***m
2025-04-19 18:36:48
Confirmed Purchase
5.0

Support walked us through breakout combinations and advised on lengths to minimize signal loss.

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q
q***m
2025-04-09 21:28:33
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
2025-04-03 05:08:41
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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