Hardware Spec Index

Brontix FN-4840 SE 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4840-SE · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index1,017 (Case Fans scale)
Category rank#45,101
Street price$39
Power3 W
Performance per dollar26.08
Released2024

Specifications

BrandBrontix
ModelBrontix FN-4840 SE
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 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
Zephyra FN-7165 Prime 120mm PWM ARGB Case Fan1,290$49Compare
Caldera FN-7542 Ultra 140mm PWM Case Fan556$19Compare
Zephyra FN-2858 Edge 140mm PWM Case Fan429$19Compare
Brontix FN-3112 Plus 120mm PWM Case Fan521$19Compare
Teralux FN-8044 Plus 120mm PWM Case Fan (3-Pack)438$19Compare
Caldera FN-5597 Pro 120mm PWM Case Fan752$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4840 SE 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/3035429 (accessed 2026-10-22).