• Silver-colored sfp+ transceiver modules with blue handles and metallic connectors in arista 200g osfp to 4x 50g qsfp dac cable
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Arista

Arista CAB-O-4Q-200G-3M | 200G OSFP to 4x 50G QSFP DAC Breakout Cable, 3m

Arista CAB-O-4Q-200G-3M | 200G OSFP to 4x 50G QSFP DAC Breakout Cable, 3m

CAB-O-4Q-200G-3M

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End of life
This item has been replaced by CAB-O-4Q-400G-3M.

Description

The Arista CAB-O-4Q-200G-3M is a passive 200G Direct Attach Copper (DAC) breakout cable engineered for high-density data centre interconnects. It splits a single 200GBASE-CR8 OSFP port into four independent 50GBASE-CR2 QSFP connections over 3 metres of shielded twinax copper, using 8 x 25G NRZ electrical lanes. With zero power consumption and plug-and-play simplicity, it delivers ultra-low latency connectivity ideal for in-rack and adjacent-rack server-to-switch deployments.

Fullly compliant with IEEE 802.3 standards and natively supported in Arista EOS 4.23.0 and later, this cable integrates seamlessly into Arista's switching ecosystem. Each QSFP leg EEPROM is programmed for up to 25G NRZ, ensuring broad compatibility with 50G server NICs and existing QSFP infrastructure. Part of the CAB-O-4Q-200G family, available in 1m, 2m, and 3m variants. Buy today from iptrading.com.au — fast shipping and expert service across Australia.

Features

- Passive copper design — zero power draw and minimal latency for data centre deployments
- 200G to 4x50G breakout provides flexible fan-out from a single OSFP port to four QSFP devices
- Standards-compliant with 200GBASE-CR8 and 50GBASE-CR2 (IEEE 802.3)
- Hot-swappable and plug-and-play with full native Arista EOS integration (EOS 4.23.0+)
- EEPROM on each QSFP leg programmed for up to 25G NRZ — broad NIC and equipment compatibility
- Ideal for in-rack and adjacent-rack server-to-switch connectivity in high-density data centres
- Shielded twinax copper construction for signal integrity in dense cable environments
- Part of the CAB-O-4Q-200G family — also available in 1m and 2m lengths
- Backed by Arista's 1-year limited hardware warranty with optional advance replacement support

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-4Q-200G-3M
- Cable Type: Passive Twinax Copper Direct Attach Cable (DAC)
- Host Connector: OSFP (200GBASE-CR8)
- Remote Connectors: 4 x QSFP (50GBASE-CR2)
- Aggregate Data Rate: 200GbE
- Breakout Configuration: 1 x 200G OSFP to 4 x 50G QSFP
- Electrical Lanes: 8 x 25G NRZ (host side); 2 x 25G NRZ per QSFP leg
- Cable Length: 3 metre
- Power Consumption: 0W (passive — no active components)
- Cable Medium: Shielded twinax copper
- Standards Compliance: 200GBASE-CR8, 50GBASE-CR2 (IEEE 802.3)
- Minimum EOS Version: 4.23.0
- Warranty: 1-Year Limited Hardware Warranty

FAQs

Q: What does the CAB-O-4Q-200G-3M connect?
A: It connects a single 200GBASE-CR8 OSFP port on an Arista switch to four separate 50GBASE-CR2 QSFP ports — typically on servers, NICs, or other 50G-capable switches — over a 3-metre passive twinax copper cable.

Q: Does this cable require any power or active components?
A: No. The CAB-O-4Q-200G-3M is a fully passive cable with zero power consumption. There are no active electronics, meaning it generates minimal heat and adds negligible latency to your data path.

Q: What Arista EOS version is required to use this cable?
A: The cable requires a minimum of Arista EOS version 4.23.0. Ensure your Arista switch is running a supported EOS release for full plug-and-play integration and proper port configuration.

Q: How should the OSFP port be configured on the switch?
A: The OSFP host port must be configured for 200G mode using 8 x 25G NRZ electrical lanes to match the breakout cable's electrical specification. Refer to your Arista EOS configuration guide for the appropriate interface breakout command.

Q: Is the CAB-O-4Q-200G-3M compatible with non-Arista 50G QSFP equipment?
A: Yes. Each QSFP connector EEPROM is programmed for up to 25G NRZ, enabling compatibility with a wide range of 50GBASE-CR2 QSFP server NICs and third-party equipment. Always verify interoperability with your specific hardware vendor.

Q: Can I purchase the Arista CAB-O-4Q-200G-3M in Australia from IP Trading?
A: Yes. IP Trading is an Australian B2B IT hardware reseller offering the Arista CAB-O-4Q-200G-3M with fast local shipping and expert pre-sales support. Order online at iptrading.com.au or contact our team for volume pricing and availability.

Datasheet

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