Hardware Spec Index

Zephyra FN-4491 Ultra 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4491-ULTRA · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index1,076 (Case Fans scale)
Category rank#27,072
Street price$29
Power4 W
Performance per dollar37.10
Released2026

Specifications

BrandZephyra
ModelZephyra FN-4491 Ultra
Size120 × 120 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-5700 Ultra 120mm PWM ARGB Case Fan (3-Pack)1,258$49Compare
Brontix FN-8049 Plus 140mm PWM ARGB Case Fan946$29Compare
Caldera FN-2737 Prime 120mm PWM ARGB Case Fan1,065$39Compare
Caldera FN-5290 Ti 140mm PWM Case Fan709$19Compare
Brontix FN-4680 Prime 120mm PWM ARGB Case Fan (3-Pack)788$29Compare
Corvane FN-3034 SE 120mm PWM ARGB Case Fan (3-Pack)1,321$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-4491 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/6602769 (accessed 2026-10-22).