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1m (3ft) Cisco Compatible 25G SFP28 Passive Direct Attach Copper Twinax Cable
1m (3ft) Cisco Compatible 25G SFP28 Passive Direct Attach Copper Twinax Cable
1m (3ft) Cisco Compatible 25G SFP28 Passive Direct Attach Copper Twinax Cable
P/N: SFP-25G-CU
US$33.00
6
Reviews
2
Questions
safeguard
4-Year Warranty
30-Day Returns
30-Day Exchange
（1000 In Stock）

Product Highlights

Max. Power Consumption 0.5W
Low Loss and Crosstalk for Better Performance
Minimum Bend Radius 21.25mm for Flexible Routing
Simplify Patching and Cost-effectively Handle Short Links
Specifications
Q&A
Reviews
Resources
1m (3ft) Cisco Compatible 25G SFP28 Passive Direct Attach Copper Twinax Cable
The 25G SFP28 Passive Direct Attach Copper Twinax Cable is designed for use in 25GBASE Ethernet. This cable is compliant with IEEE P802.3by Ethernet standard and SFP28 MSA Compliant. Each SFP28 connector comprises an EEPROM providing product information which can be read by the host system. With these features, this easy to install, high speed, cost-effective direct attach copper twinax Cable is suitable for short-distance connectivity within a rack or between adjacent racks in data centers.
Specifications
Part Number
SFP-25G-CU
Vendor Name
AICPLIGHT
Connector Type
SFP28 to SFP28
Max Data Rate
25Gbps
Minimum Bend Radius
21.25mm
Wire AWG
30AWG
Cable Length
1m (3.28ft)
Jacket Material
PVC (OFNR)
Typical Power Consumption
≤0.5W
Power Supply
3.3V
Temperature
0 to 70°C (32 to 158°F)
Protocols
IEEE 802.3, SFP28 MSA, SFF-8402, Infiniband, EIA 364-1000
Application
25G Ethernet, Data Center, 5G Wireless
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 Z***m on 2025-07-10 15:51:41

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 M***m on 2025-07-10 15:12:01

A:

Yes, backward compatibility is supported in many cases.

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

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Customer Reviews
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All (6) Performance (1)Compatibility (3)Ease of Use (1)Value (1)
z
z***m
2025-06-28 03:22:15
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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h
h***m
2025-06-25 09:23:34
Confirmed Purchase
5.0

The cables worked with both OSFP and QSFP-DD interfaces as advertised—no extra tooling or recoding required.

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Y
Y***m
2025-06-16 12:43:30
Confirmed Purchase
5.0

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

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v
v***m
2025-05-14 03:22:51
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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w
w***m
2025-04-18 10:38:31
Confirmed Purchase
5.0

We’ve been running these AOCs 24/7 in an AI cluster environment. They’ve been extremely reliable under high-throughput RDMA traffic.

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a
a***m
2025-04-16 18:09:54
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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