Hardware Spec Index

Brontix FN-3878 XT 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3878-XT · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index636 (Case Fans scale)
Category rank#14,098
Street price$19
Power3 W
Performance per dollar33.47
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3878 XT
Size120 × 120 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-6483 Plus 140mm PWM ARGB Case Fan983$29Compare
Brontix FN-4060 Core 140mm PWM Case Fan526$19Compare
Corvane FN-2614 SE 120mm PWM Case Fan (3-Pack)531$19Compare
Teralux FN-8809 Prime 120mm PWM ARGB Case Fan984$29Compare
Corvane FN-1425 XT 140mm PWM Case Fan309$9Compare
Corvane FN-9241 Ultra 120mm PWM ARGB Case Fan1,252$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3878 XT 120mm PWM Case Fan”, https://vextor7.com/item/53310677 (accessed 2026-10-20).