Hardware Spec Index

Brontix FN-4221 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4221-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index695 (Case Fans scale)
Category rank#46,481
Street price$19
Power4 W
Performance per dollar36.58
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4221 Ultra
Size120 × 120 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-6660 Plus 120mm PWM ARGB Case Fan (3-Pack)915$29Compare
Corvane FN-6286 Plus 120mm PWM Case Fan (3-Pack)435$9Compare
Caldera FN-3301 Ti 140mm PWM ARGB Case Fan (3-Pack)970$29Compare
Teralux FN-3859 Ultra 140mm PWM Case Fan638$19Compare
Zephyra FN-1957 Ultra 120mm PWM Case Fan328$9Compare
Caldera FN-4904 Ultra 120mm PWM Case Fan255$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4221 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/8153459 (accessed 2026-10-22).