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0.5m(2ft) NVIDIA/Mellanox Compatible 800G OSFP Finned Top to 4x200G OSFP Finned Top Ethernet Passive Direct Attach Copper Breakout Cable
0.5m(2ft) NVIDIA/Mellanox Compatible 800G OSFP Finned Top to 4x200G OSFP Finned Top Ethernet Passive Direct Attach Copper Breakout Cable
0.5m(2ft) NVIDIA/Mellanox Compatible 800G OSFP Finned Top to 4x200G OSFP Finned Top Ethernet Passive Direct Attach Copper Breakout Cable
P/N: O4OSFP-800G-CU
US$228.00
5
Reviews
2
Questions
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4-Year Warranty
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（1000 In Stock）

Product Highlights

Max. Power Consumption 0.5W
Minimum Bend Radius 26mm for Flexible Routing
Support 4x 200G Breakout for Higher Port Density
Simplifies Patching and Offers a Cost-effective Way for Short Links
Hot Pluggable OSFP MSA Compliant
Low Insertion Loss and Ultra-low Crosstalk for Improved Performance
High-Speed Connectivity Compliant to IEEE 802.3ck and CMIS v4.0
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Specifications
Q&A
Reviews
Resources
0.5m(2ft) NVIDIA/Mellanox Compatible 800G OSFP Finned Top to 4x200G OSFP Finned Top Ethernet Passive Direct Attach Copper Breakout Cable
The 800G OSFP Direct Attach Cable operates over passive copper, which requires no additional power to ensure quality connectivity. This breakout cable is compliant with OSFP MSA (Multi-Source Agreement) and IEEE 802.3ck standards. It provides a high-speed connection of an 800G OSFP port on one end and four 200G OSFP ports on the other end. It is power-efficient and suitable for cost-effective close-range interconnections within the equipment room of telecom operators or data centers, etc.
Specifications
Part Number
O4OSFP-800G-CU
Vendor Name
AICPLIGHT
Form Factor
800G OSFP (Finned Top) to 4x200G OSFP (Finned Top)
Max Data Rate
800Gbps
Media
Copper
Cable Type
Passive Twinax
Minimum Bend Radius
26mm
Power Consumption
≤0.5W
Cable Length
0.5m (2ft)
Wire AWG
30AWG
Temperature Range
0 to 70°C (32 to 158°F)
Jacket Material
PVC (OFNR)
Protocols
OSFP MSA, IEEE 802.3ck, CMIS v4.0
Modulation Format
PAM4
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 T***m on 2025-07-10 15:56:35

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 W***m on 2025-07-10 15:10:03

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 (5) Performance (1)Compatibility (1)Ease of Use (2)Value (1)
A
A***m
2025-06-05 08:47:21
Confirmed Purchase
5.0

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

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b
b***m
2025-06-02 10:39:24
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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J
J***m
2025-05-22 07:51:35
Confirmed Purchase
5.0

Strain relief sleeves added during manufacturing helped avoid cable damage during repositioning.

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6
6***m
2025-05-12 02:32:17
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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P
P***m
2025-04-21 22:26:11
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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