Hardware Spec Index

Brontix FN-3878 Prime 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3878-PRIME · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,123 (Case Fans scale)
Category rank#22,781
Street price$49
Power3 W
Performance per dollar22.92
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3878 Prime
Size120 × 120 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise23 dBA
BearingMagnetic levitation
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-5981 XT 120mm PWM ARGB Case Fan982$29Compare
Caldera FN-9414 Core 120mm PWM ARGB Case Fan (3-Pack)1,382$49Compare
Teralux FN-5944 Core 140mm PWM ARGB Case Fan1,205$39Compare
Brontix FN-4781 Pro 120mm PWM Case Fan (3-Pack)416$19Compare
Brontix FN-4553 Plus 120mm PWM Case Fan479$19Compare
Brontix FN-5105 Max 140mm PWM Case Fan443$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3878 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/4133559 (accessed 2026-10-21).