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    <title>WattWise Tools guides</title>
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    <description>Neutral PC power tools from Wraith Labs Studios: a PSU wattage calculator, per-GPU guides, electricity cost, 80 PLUS payback, and UPS runtime. Published specs, with the math in your browser.</description>
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      <title>How much PSU headroom do you really need?</title>
      <link>https://wattwisetools.com/guides/psu-headroom/</link>
      <guid>https://wattwisetools.com/guides/psu-headroom/</guid>
      <pubDate>Tue, 10 Nov 2026 00:00:00 GMT</pubDate>
      <description>The 80% ceiling and the 50% efficiency size are different jobs.</description>
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      <title>GPU transient spikes, explained</title>
      <link>https://wattwisetools.com/guides/gpu-transient-spikes/</link>
      <guid>https://wattwisetools.com/guides/gpu-transient-spikes/</guid>
      <pubDate>Tue, 10 Nov 2026 00:00:00 GMT</pubDate>
      <description>What the ATX design guide and the 12V-2x6 sense pins actually require.</description>
    </item>
<item>
      <title>Why brand PSU calculators overestimate</title>
      <link>https://wattwisetools.com/guides/why-brand-calculators-overestimate/</link>
      <guid>https://wattwisetools.com/guides/why-brand-calculators-overestimate/</guid>
      <pubDate>Tue, 10 Nov 2026 00:00:00 GMT</pubDate>
      <description>Adding two power limits and rounding up is a sales method.</description>
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      <title>What PSU wattage the RTX 50 series actually needs</title>
      <link>https://wattwisetools.com/guides/rtx-50-psu-wattage/</link>
      <guid>https://wattwisetools.com/guides/rtx-50-psu-wattage/</guid>
      <pubDate>Tue, 10 Nov 2026 00:00:00 GMT</pubDate>
      <description>NVIDIA's system minimums beside WattWise totals for a Ryzen 7 9800X3D.</description>
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<item>
      <title>How to read a PSU label, including 12V-2x6</title>
      <link>https://wattwisetools.com/guides/read-a-psu-label/</link>
      <guid>https://wattwisetools.com/guides/read-a-psu-label/</guid>
      <pubDate>Tue, 10 Nov 2026 00:00:00 GMT</pubDate>
      <description>Continuous watts, the 12 V rail, and what the sense pins advertise.</description>
    </item>
<item>
      <title>How much does a gaming PC cost to run per month?</title>
      <link>https://wattwisetools.com/guides/gaming-pc-monthly-cost/</link>
      <guid>https://wattwisetools.com/guides/gaming-pc-monthly-cost/</guid>
      <pubDate>Tue, 10 Nov 2026 00:00:00 GMT</pubDate>
      <description>Watt-hours, the EIA residential average, and a custom rate.</description>
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