KitGuru's Rigorous PSU Tests Unveil True Performance Under Extreme Conditions
KitGuru has conducted rigorous tests on power supply units (PSUs), pushing them to their limits in conditions mimicking real-world usage. The tests, performed at an ambient temperature of approximately 45°C (113°F), reveal the true performance of these crucial computer components.
KitGuru's tests include two cross-load scenarios, CL1 and CL2, which simulate a PSU's performance throughout its entire operating range. In CL1, the 12 V line is loaded up to 80% of its maximum capacity, while the 3.3 V and 5 V lines are each loaded with 2 A. In CL2, the 12 V line is loaded with 2 A, and the 3.3 V and 5 V lines are loaded up to 80% of their combined maximum capacity.
These tests are considered more stringent than Intel's recommended momentary power-up cross load testing, which is deemed too lenient. KitGuru's tests provide a more accurate representation of a PSU's capabilities under heavy load. Intel's guidelines suggest loading the 12 V line to less than 0.1 A and the 3.3 V and 5 V lines up to 5 A for transient tests, but there are no specific guidelines on how these tests should be conducted.
KitGuru's cross-load tests, conducted at high temperatures and under heavy loads, offer a comprehensive evaluation of a PSU's performance. These tests, developed and conducted by KitGuru, provide valuable insights into a PSU's capabilities and reliability, helping consumers make informed purchasing decisions.
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