Hardware Spec Index

Zephyra FN-4955 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4955-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index741 (Case Fans scale)
Category rank#8,383
Street price$19
Power4 W
Performance per dollar39.00
Released2019

Specifications

BrandZephyra
ModelZephyra FN-4955 Ultra
Size120 × 120 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4955 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/21317736 (accessed 2026-10-20).