Hardware Spec Index

Brontix FN-5921 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5921-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index928 (Case Fans scale)
Category rank#42,817
Street price$29
Power4 W
Performance per dollar32.00
Released2021

Specifications

BrandBrontix
ModelBrontix FN-5921 Ultra
Size120 × 120 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-7027 Edge 120mm PWM Case Fan447$19Compare
Zephyra FN-5566 SE 120mm PWM Case Fan (3-Pack)214$9Compare
Corvane FN-6101 Prime 120mm PWM ARGB Case Fan1,327$49Compare
Zephyra FN-5098 Pro 120mm PWM Case Fan311$9Compare
Brontix FN-2052 Ti 140mm PWM Case Fan625$19Compare
Brontix FN-6963 Pro 120mm PWM Case Fan (3-Pack)392$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-5921 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/8733659 (accessed 2026-10-25).