Hardware Spec Index

Zephyra FN-5639 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN5639-PRIME · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index561 (Case Fans scale)
Category rank#29,757
Street price$19
Power3 W
Performance per dollar29.53
Released2021

Specifications

BrandZephyra
ModelZephyra FN-5639 Prime
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5639 Prime 120mm PWM Case Fan”, https://vextor7.com/item/331741 (accessed 2026-10-21).