Hardware Spec Index

Zephyra FN-5641 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN5641-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index271 (Case Fans scale)
Category rank#27,755
Street price$9
Power3 W
Performance per dollar30.11
Released2019

Specifications

BrandZephyra
ModelZephyra FN-5641 Ultra
Size120 × 120 × 25 mm
Speed300–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5641 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/418204 (accessed 2026-10-19).