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Raptor Lake microcode limits Intel chips to a mere 1.55 volts to prevent CPU destruction

ID: eb33e27f-0318-50ef-9576-60b3246cbe36

STIX ID: report--eb33e27f-0318-50ef-9576-60b3246cbe36

Feed Name: The Register (Security)

Date Published: 2024-08-09

Date Updated: 2026-04-26

Author: Matthew Connatser

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Intel disclosed that some 13th- and 14th-generation Raptor Lake desktop CPUs were self-selecting dangerously high operating voltages that can permanently damage processors; Intel released microcode 0x129 to cap voltage at 1.55V and motherboard vendors are distributing BIOS updates to deploy the fix. The article notes minimal reported performance impact and advises caution with overclocking, and it additionally references separate AMD security advisories without describing any active exploitation.

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