Hardware Spec Index

Brontix FN-5921 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5921-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index855 (Case Fans scale)
Category rank#32,518
Street price$29
Power4 W
Performance per dollar29.48
Released2025

Specifications

BrandBrontix
ModelBrontix FN-5921 Ultra
Size120 × 120 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-7968 XT 140mm PWM Case Fan760$29Compare
Teralux FN-1630 SE 120mm PWM Case Fan (3-Pack)447$19Compare
Caldera FN-6016 XT 120mm PWM ARGB Case Fan (3-Pack)1,360$49Compare
Caldera FN-3230 Ultra 140mm PWM Case Fan (3-Pack)472$19Compare
Corvane FN-4759 Core 120mm PWM Case Fan265$9Compare
Corvane FN-6480 Plus 120mm PWM ARGB Case Fan1,147$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-5921 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/12469722 (accessed 2026-10-20).