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

Arista CAB-O-4Q-200G-2M | 200G OSFP to 4x 50G QSFP Twinax DAC Breakout Cable, 2m

Arista CAB-O-4Q-200G-2M | 200G OSFP to 4x 50G QSFP Twinax DAC Breakout Cable, 2m

CAB-O-4Q-200G-2M

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End of life
This item has been replaced by CAB-O-4Q-400G-2M.

Description

The Arista CAB-O-4Q-200G-2M is a passive 200GBASE-CR8 twinax copper breakout cable that splits a single OSFP port into four 50GBASE-CR2 QSFP connections over a 2-metre length. Designed for short-reach in-rack and adjacent-rack data centre deployments, this DAC cable requires zero power, delivers minimal latency, and provides high-density 200G to 4x50G breakout connectivity for Arista switches running EOS 4.23.0 or later.

The cable uses 8x25G NRZ electrical lanes across shielded twinax copper, enabling seamless interoperability with legacy 100G QSFP and 25G SFP infrastructure. EEPROMs are programmed for up to 25G NRZ data rates for broad NIC compatibility, and the hot-swappable design ensures maximum uptime during servicing. Need it fast? iptrading.com.au delivers across Australia — shop now.

Features

- Passive copper design — zero power consumption and minimal latency
- 200G to 4x50G breakout enables connectivity to legacy 50G QSFP ports
- Interoperability with legacy 100G QSFP and 25G SFP infrastructure
- EEPROMs programmed for up to 25G NRZ data rates for broad NIC compatibility
- Ideal for short-reach in-rack and adjacent-rack data centre deployments
- Hot-swappable for maximum uptime and simplified servicing
- Compliant with IEEE 802.3 open industry standards
- High-density connectivity for Arista switches equipped with OSFP ports

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-2M
- Cable Type: Passive Twinax Copper Direct Attach Cable (DAC)
- Aggregate Speed: 200GBASE-CR8
- Host Connector: OSFP (1x, CR8 — 8 lanes)
- Remote Connectors: 4x QSFP (CR2 — 2 lanes each, 50GBASE-CR2)
- Cable Length: 2 metres
- Electrical Lanes: 8x 25G NRZ
- Power Consumption: 0W (passive — no power required)
- Medium: Shielded Twinax Copper
- EOS Support: Arista EOS 4.23.0 and later
- Available Lengths in Series: 1m, 2m, 3m
- Compliance: IEEE 802.3
- Hot-Swappable: Yes

FAQs

Q: What does the CAB-O-4Q-200G-2M connect?
A: It connects a single OSFP port (configured for 200G using 8x25G NRZ lanes) on one end to four 50GBASE-CR2 QSFP ports on the other, effectively splitting a 200G uplink into four 50G connections over 2 metres of twinax copper.

Q: Is this cable compatible with non-Arista switches or servers?
A: The cable is designed and validated for Arista platforms running EOS 4.23.0 or later. While it uses industry-standard IEEE 802.3 electrical interfaces, Arista recommends using Arista-branded optics and cables for guaranteed compatibility and full EOS software support.

Q: Does this cable require any power or additional configuration?
A: No. The CAB-O-4Q-200G-2M is a fully passive cable with zero power consumption. The host OSFP port must be configured for 200G mode using 8x25G NRZ electrical lanes — no active components or transceivers are required.

Q: What is the maximum reach of this DAC cable?
A: This cable is rated for a 2-metre reach, suitable for in-rack and adjacent-rack connections in high-density data centre environments. Arista also offers 1m and 3m variants in the same series for flexible deployment.

Q: Can I use this to connect to legacy 100G or 25G infrastructure?
A: Yes. The cable's EEPROMs are programmed for up to 25G NRZ data rates, enabling interoperability with legacy 100G QSFP and 25G SFP ports, making it well-suited for mixed-generation data centre environments.

Q: Can I purchase the CAB-O-4Q-200G-2M in Australia from IP Trading?
A: Yes. IP Trading (iptrading.com.au) is an Australian B2B IT hardware reseller supplying Arista cables and optics to businesses across Australia. Contact us or order online for competitive pricing and fast local delivery.

Datasheet

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