update nitro min hardware requirements with arbos 51 dia

[leeederek]

Description

Bump the minimum nitro node hardware requirements, as reflected in the AIP to raise the gas target on Arbitrum One.

More details on the rationale and context can be found here: https://forum.arbitrum.foundation/t/aip-raise-the-gas-target-min-l2-base-fee-implement-improvements-to-the-pricing-algorithm/30182#p-74607-updated-minimum-hardware-requirements-for-node-operators-6

Document type

• Gentle introduction
• Quickstart
• How-to
• Concept
• FAQ
• Troubleshooting
• Reference
• Third-party content
• Not applicable

Checklist

• I have read the CONTRIBUTE.md guidelines
• My changes follow the style conventions outlined in CONTRIBUTE.md
• I have used sentence-case for titles and headers
• I have used descriptive link text (not "here" or "this")
• I have separated procedural from conceptual content where appropriate
• I have tested my changes locally with yarn start or yarn build
• My code follows the existing code style and conventions
• I have added/updated frontmatter for new documents
• I have checked for broken links
• I have verified that my changes don't break the build
• Third-party docs only: Do you agree to the third-party content policy outlined within CONTRIBUTE.md?
  • Yes
  • Not applicable

Additional Notes

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Project	Deployment	Review	Updated (UTC)
arbitrum-docs	Ready	Preview	Dec 17, 2025 8:59pm

[pete-vielhaber]

@leeederek I thought this was proposed but not finalized yet?

[leeederek]

The vote passed today and will be executed on jan 8 2026 5pm UTC. I'm ok with merging this now or on jan 8 2026