Hardware Spec Index

Brontix FN-7858 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN7858-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index429 (Case Fans scale)
Category rank#16,162
Street price$19
Power4 W
Performance per dollar22.58
Released2021

Specifications

BrandBrontix
ModelBrontix FN-7858 Ultra
Size120 × 120 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-9555 Core 120mm PWM ARGB Case Fan (3-Pack)985$29Compare
Brontix FN-8337 Prime 120mm PWM ARGB Case Fan1,188$39Compare
Corvane FN-1481 Max 120mm PWM ARGB Case Fan (3-Pack)1,232$49Compare
Zephyra FN-9198 Pro 120mm PWM ARGB Case Fan1,120$39Compare
Brontix FN-7714 Pro 120mm PWM Case Fan235$9Compare
Caldera FN-1975 Ultra 140mm PWM Case Fan577$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-7858 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/95039902 (accessed 2026-10-24).