Hardware Spec Index

Zephyra FN-5921 Pro 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN5921-PRO · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index203 (Case Fans scale)
Category rank#30,479
Street price$9
Power4 W
Performance per dollar22.56
Released2020

Specifications

BrandZephyra
ModelZephyra FN-5921 Pro
Size120 × 120 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5921 Pro 120mm PWM Case Fan”, https://vextor7.com/item/83312859 (accessed 2026-10-20).