Hardware Spec Index

Zephyra FN-4451 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4451-ULTRA · Released 2019 · Updated 2026-10-27

Key facts

Benchmark index265 (Case Fans scale)
Category rank#13,751
Street price$9
Power2 W
Performance per dollar29.44
Released2019

Specifications

BrandZephyra
ModelZephyra FN-4451 Ultra
Size120 × 120 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4451 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/71751648 (accessed 2026-10-27).