Hardware Spec Index

Brontix FN-4858 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4858-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index917 (Case Fans scale)
Category rank#1,193
Street price$29
Power2 W
Performance per dollar31.62
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4858 Ultra
Size140 × 140 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise29 dBA
BearingFluid dynamic 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
Caldera FN-8584 Prime 140mm PWM ARGB Case Fan (3-Pack)1,304$39Compare
Brontix FN-6524 Pro 120mm PWM Case Fan (3-Pack)403$19Compare
Teralux FN-6138 Edge 120mm PWM ARGB Case Fan1,064$39Compare
Caldera FN-1094 Ultra 140mm PWM Case Fan770$29Compare
Caldera FN-9168 Ultra 120mm PWM ARGB Case Fan834$29Compare
Zephyra FN-5026 Plus 120mm PWM Case Fan225$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4858 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7900785 (accessed 2026-10-24).