Hardware Spec Index

Teralux FN-3781 Edge 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3781-EDGE · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index670 (Case Fans scale)
Category rank#1,384
Street price$19
Power3 W
Performance per dollar35.26
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3781 Edge
Size120 × 120 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-9170 Ti 120mm PWM Case Fan519$19Compare
Corvane FN-5467 Max 120mm PWM Case Fan352$9Compare
Caldera FN-1381 XT 120mm PWM Case Fan298$9Compare
Corvane FN-7739 Edge 140mm PWM ARGB Case Fan (3-Pack)1,259$49Compare
Caldera FN-3685 Plus 120mm PWM ARGB Case Fan (3-Pack)936$29Compare
Brontix FN-5194 Plus 120mm PWM ARGB Case Fan1,039$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3781 Edge 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/290569 (accessed 2026-10-22).