Hardware Spec Index

Zephyra FN-6531 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN6531-ULTRA · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index442 (Case Fans scale)
Category rank#1,945
Street price$9
Power3 W
Performance per dollar49.11
Released2021

Specifications

BrandZephyra
ModelZephyra FN-6531 Ultra
Size120 × 120 × 25 mm
Speed300–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6531 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/335412 (accessed 2026-10-26).