• Silver-colored sfp+ transceiver modules with blue handles and metallic connectors for arista 200g osfp to 2x 100g qsfp dac breakout cable 3m
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Arista

Arista CAB-O-2Q-200G-3M | 200G OSFP to 2x 100G QSFP DAC Breakout Cable, 3m

Arista CAB-O-2Q-200G-3M | 200G OSFP to 2x 100G QSFP DAC Breakout Cable, 3m

CAB-O-2Q-200G-3M

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End of life
This item has been replaced by CAB-O-2Q-400G-3M.

Description

The Arista CAB-O-2Q-200G-3M is a 200GBASE-CR8 passive twinax copper DAC breakout cable that splits a single OSFP 200G port into two 100GBASE-CR4 QSFP connections over a 3-metre length. Designed for high-density data centre environments, it enables cost-effective, low-power interconnects between Arista switches and server NICs or non-Arista equipment — eliminating the need for optical transceivers on short-range runs. Operating across 8 x 25G NRZ electrical lanes, it requires EOS 4.23.0 or later and complies with OSFP MSA standards.

This hot-swappable passive cable is ideal for breakout configurations where legacy 100G QSFP infrastructure must interoperate with newer 200G OSFP-equipped switches. EEPROMs are programmed for up to 25G NRZ data rates, ensuring seamless compatibility with existing NIC software. Available in 1m, 2m, and 3m variants to suit varied rack layouts. In stock and ready to ship from iptrading.com.au — order now for fast dispatch.

Features

- Passive twinax copper construction delivers low power consumption and cost-effective short-range connectivity
- Breakout design connects one 200G OSFP port to two independent 100G QSFP ports
- 8 x 25G NRZ electrical lanes provide reliable high-bandwidth signalling
- EEPROMs programmed for up to 25G NRZ data rates for full compatibility with legacy NIC software
- Supports interoperability with legacy 100G QSFP and 25G SFP environments
- Hot-swappable for maximum uptime and simplified field servicing
- Complies with OSFP MSA standards for broad ecosystem compatibility
- Part of Arista's high-density, low-power Ethernet connectivity portfolio

Warranty

Arista hardware products come with a 1-year limited hardware warranty, covering defects in materials and workmanship under normal use.
Extended Warranty Options:
IP Trading offers tailored extended warranty solutions and support packages for Arista products. Contact our team to explore options that align with your organisation's needs.
https://www.arista.com/assets/data/pdf/Warranty.pdf

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Technical Specifications

- Part Number: CAB-O-2Q-200G-3M
- Cable Type: Passive Twinax Copper (DAC)
- Speed: 200GBASE-CR8
- Connector 1: 1x OSFP (200G)
- Connector 2: 2x QSFP (100GBASE-CR4)
- Cable Length: 3 metre
- Electrical Lanes: 8 x 25G NRZ
- Minimum EOS Version: 4.23.0
- Hot-Swappable: Yes
- Standard Compliance: OSFP MSA
- Available Lengths: 1m, 2m, 3m (CAB-O-2Q-200G-xM)
- Warranty: 1 Year Limited Hardware Warranty

FAQs

Q: What does the CAB-O-2Q-200G-3M connect?
A: This cable connects a single 200G OSFP port on an Arista switch to two 100GBASE-CR4 QSFP ports, enabling a 200G-to-2x100G breakout configuration over a 3-metre passive twinax copper cable.

Q: What EOS version is required to use this cable?
A: The CAB-O-2Q-200G-3M requires Arista EOS version 4.23.0 or later. Ensure your switch is running a compatible EOS release before deployment.

Q: Is this an active or passive cable?
A: It is a passive twinax copper DAC (Direct Attach Copper) cable, meaning it requires no active components or additional power beyond the host port. This keeps power consumption and cost low for short-range connections.

Q: What OSFP port configuration is required?
A: The OSFP or QSFP-DD port must be configured for 200G mode using 8 x 25G NRZ electrical lanes. Standard 400G or other lane configurations are not compatible with this cable.

Q: Can I use this cable with non-Arista equipment?
A: Yes. The cable is designed for interoperability with non-Arista server NICs and other 100GBASE-CR4 QSFP-equipped equipment. The EEPROMs are programmed for up to 25G NRZ, ensuring compatibility with a wide range of NIC software.

Q: Can I purchase the CAB-O-2Q-200G-3M in Australia from IP Trading?
A: Yes. IP Trading (iptrading.com.au) stocks the Arista CAB-O-2Q-200G-3M and offers fast dispatch from Australia. Other lengths (1m and 2m) in the same cable family are also available — contact us for pricing and availability.

Datasheet

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