• Arista 200G OSFP to 4x QSFP56 passive DAC cable, 1m, black silver connectors
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Arista

Arista CAB-O-4Q-200G-1M | 200G OSFP to 4x 50G QSFP56 Breakout DAC, 1m

CAB-O-4Q-200G-1M

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Description

This passive twinax copper breakout cable connects one 200G OSFP port (200GBASE-CR8) to four 50G QSFP56 ports (50GBASE-CR2) over a 1 metre run. It suits short-reach, high-density data centre and HPC links where a single 200G port needs to fan out to multiple 50G devices. The passive design draws no power and keeps latency low, and the cable interoperates with legacy 100G QSFP and 25G SFP infrastructure.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Passive design with zero power consumption and minimal latency
- Splits one 200G OSFP port into four independent 50G QSFP connections
- Hot-swappable, plug-and-play installation
- Interoperable with legacy 100G QSFP and 25G SFP infrastructure
- Shielded twinax copper construction for short-reach, high-density environments

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

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

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specs-tabs

Technical Specifications

FAQs

Technical Specifications

- Connector A: 1 x OSFP (200GBASE-CR8, 8 x 25G NRZ electrical lanes)
- Connector B: 4 x QSFP (QSFP56 form factor, 50GBASE-CR2, 2 lanes per leg)
- Cable length: 1 m
- Type: Passive shielded twinax copper DAC breakout
- Standards: 200GBASE-CR8 and 50GBASE-CR2 (IEEE 802.3)
- Power consumption: 0 W (passive)
- EEPROM programmed for 25G NRZ data rates
- Requires the OSFP port to be configured for 200G mode (8 x 25G NRZ)
- Minimum Arista EOS version: 4.23.0

FAQs

Q: What does this cable connect?
A: It connects one 200G OSFP port on one end to four 50G QSFP ports on the other, using 200GBASE-CR8 on the OSFP side and 50GBASE-CR2 on each QSFP leg.

Q: Does the OSFP port need any special configuration?
A: Yes. The OSFP port must be configured for 200G mode (8 x 25G NRZ) for the breakout to operate correctly.

Q: Is this cable active or passive?
A: It is a passive shielded twinax copper DAC. It draws 0 W and adds minimal latency, which makes it suited to short-reach links.

Q: Which Arista EOS version is required?
A: The minimum supported Arista EOS version is 4.23.0.

Q: Can it be used with 100G QSFP or 25G SFP equipment?
A: The cable interoperates with legacy 100G QSFP and 25G SFP ports, which helps when integrating with existing infrastructure.

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