Arista

Arista CAB-S-S-25G-1M | 25G SFP28 DAC | 25GBASE-CR | Passive Twinax | 1m | SFP28–SFP28

Arista CAB-S-S-25G-1M | 25G SFP28 DAC | 25GBASE-CR | Passive Twinax | 1m | SFP28–SFP28

SKU:CAB-S-S-25G-1M

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Description

Passive SFP28 to SFP28 25G DAC for short, low‑latency interconnects within racks or adjacent racks. Plug‑and‑play copper twinax with near‑zero power draw, ideal for ToR switch-to-server links.

Features

- Cost-effective 25G short-reach connectivity
- Near-zero power and minimal latency
- Tool-less, hot-pluggable deployment
- Standards-compliant SFP28 direct attach
- Robust EMI performance of shielded twinax

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: Is this passive or active?
A: Passive twinax DAC.

Q: Is it backward compatible with 10G?
A: Many SFP28 ports support 10G fallback; check your device specifications.

Q: What is the maximum reach?
A: 1 meter for this cable length.

Q: Will it work across different vendors?
A: It is standards-based, but some platforms require vendor-specific coding—verify compatibility.

Q: Any special licensing required?
A: No license is required for DAC links.

Technical Specifications

- Interface: SFP28 to SFP28
- Data rate: 25GbE
- Standard: 25GBASE-CR (IEEE 802.3by)
- Cable type: Passive copper twinax DAC
- Length: 1 meter
- Power consumption: ~0.1W (module only)
- Latency: ultra-low (copper direct attach)
- Hot-pluggable: yes
- Diagnostics: EEPROM with link parameters
- Compliance: SFF-8402/SFF-8432, RoHS

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