Hardware Spec Index

Brontix FN-4939 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4939-PRIME · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index397 (Case Fans scale)
Category rank#5,604
Street price$9
Power3 W
Performance per dollar44.11
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4939 Prime
Size120 × 120 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-2414 Core 120mm PWM ARGB Case Fan851$29Compare
Brontix FN-2973 Plus 120mm PWM Case Fan444$19Compare
Caldera FN-3085 Core 140mm PWM ARGB Case Fan (3-Pack)1,352$49Compare
Brontix FN-7401 Max 120mm PWM Case Fan659$19Compare
Brontix FN-5595 Pro 140mm PWM Case Fan687$19Compare
Brontix FN-3708 XT 120mm PWM Case Fan467$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4939 Prime 120mm PWM Case Fan”, https://vextor7.com/item/3391829 (accessed 2026-10-25).