Hardware Spec Index

Teralux FN-3847 Edge 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3847-EDGE · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index270 (Case Fans scale)
Category rank#30,092
Street price$9
Power4 W
Performance per dollar30.00
Released2019

Specifications

BrandTeralux
ModelTeralux FN-3847 Edge
Size120 × 120 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-6574 Edge 120mm PWM Case Fan (3-Pack)263$9Compare
Caldera FN-4459 Ultra 120mm PWM Case Fan (3-Pack)497$19Compare
Caldera FN-5040 Pro 120mm PWM ARGB Case Fan (3-Pack)986$29Compare
Corvane FN-6013 Core 120mm PWM ARGB Case Fan1,056$39Compare
Zephyra FN-4441 Pro 120mm PWM Case Fan479$19Compare
Teralux FN-9203 XT 120mm PWM Case Fan702$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3847 Edge 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/96868329 (accessed 2026-10-25).