Hardware Spec Index

Teralux FN-3861 Prime 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3861-PRIME · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index1,252 (Case Fans scale)
Category rank#29,505
Street price$49
Power3 W
Performance per dollar25.55
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3861 Prime
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise31 dBA
BearingFluid dynamic 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
Teralux FN-5385 Edge 120mm PWM ARGB Case Fan1,373$49Compare
Corvane FN-5987 SE 120mm PWM ARGB Case Fan1,191$39Compare
Zephyra FN-4116 Prime 120mm PWM Case Fan (3-Pack)730$29Compare
Teralux FN-7582 XT 120mm PWM ARGB Case Fan965$29Compare
Brontix FN-5205 Core 120mm PWM ARGB Case Fan1,078$39Compare
Zephyra FN-5467 Prime 140mm PWM Case Fan282$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3861 Prime 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/6780938 (accessed 2026-10-21).