Arista

Arista CAB-D-8S-200G-1M | 200G breakout 8x25G | passive DAC twinax | 200GBASE-CR8 / 25GBASE-CR | copper (no wavelength) | 1m | QSFP-DD to 8x SFP28

Arista CAB-D-8S-200G-1M | 200G breakout 8x25G | passive DAC twinax | 200GBASE-CR8 / 25GBASE-CR | copper (no wavelength) | 1m | QSFP-DD to 8x SFP28

SKU:CAB-D-8S-200G-1M

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Description

Short‑reach 200G DAC breakout cable that converts one QSFP‑DD port into eight 25G lanes for cost‑effective intra‑rack server and switch interconnects. Passive twinax design delivers zero power consumption and minimal latency. Requires device support for QSFP‑DD 8×25G breakout and compatible coding.

Features

- 8×25G breakout for dense 25G access
- Passive copper: zero power, ultra‑low latency
- QSFP‑DD to 8× SFP28 for broad 25G compatibility
- Standards‑aligned 200GBASE‑CR8 / 25GBASE‑CR
- Rugged, reliable connectors and strain relief
- Ideal for short‑reach intra‑rack links

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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FAQs

Technical Specifications

FAQs

Q: Will this work with any QSFP‑DD port?
A: Only with QSFP‑DD ports that support 8×25G breakout mode and the cable’s coding profile.

Q: Is this cable active?
A: No. It is a passive copper DAC.

Q: What are typical deployment scenarios?
A: Top‑of‑rack to servers with 25G NICs, or leaf to TOR aggregation where 25G access is needed.

Q: Does it carry optical wavelengths?
A: No. Being copper, there is no optical wavelength involved.

Technical Specifications

- Aggregate speed: 200G (breakout to 8×25G)
- Lane rate/encoding: 25G NRZ per lane
- Form factor ends: QSFP‑DD to 8× SFP28
- Cable type: Passive twinax DAC (copper)
- Standards: 200GBASE‑CR8, 25GBASE‑CR; IEEE 802.3 compliant
- Reach: 1 meter
- Power: 0 W (passive), ultra‑low latency
- Use case: QSFP‑DD 200G port breaking out to 8× 25G switch/server NIC ports

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