Hardware Spec Index

Zephyra FN-5421 Ultra 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN5421-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index931 (Case Fans scale)
Category rank#49,954
Street price$29
Power4 W
Performance per dollar32.10
Released2020

Specifications

BrandZephyra
ModelZephyra FN-5421 Ultra
Size120 × 120 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5421 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/5963318 (accessed 2026-10-19).