Hardware Spec Index

Zephyra FN-4451 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4451-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index620 (Case Fans scale)
Category rank#25,957
Street price$19
Power2 W
Performance per dollar32.63
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4451 Ultra
Size140 × 140 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4451 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/16923980 (accessed 2026-10-22).