Hardware Spec Index

Teralux FN-3891 Core 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3891-CORE · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,046 (Case Fans scale)
Category rank#5,115
Street price$29
Power3 W
Performance per dollar36.07
Released2024

Specifications

BrandTeralux
ModelTeralux FN-3891 Core
Size120 × 120 × 25 mm
Speed200–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-5555 SE 120mm PWM ARGB Case Fan838$29Compare
Caldera FN-8462 Core 120mm PWM ARGB Case Fan1,179$39Compare
Brontix FN-5344 XT 140mm PWM Case Fan614$19Compare
Caldera FN-9849 SE 120mm PWM ARGB Case Fan1,259$39Compare
Corvane FN-8375 Plus 140mm PWM ARGB Case Fan904$29Compare
Teralux FN-9728 Ultra 120mm PWM Case Fan (3-Pack)350$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3891 Core 120mm PWM ARGB Case Fan”, https://vextor7.com/item/11615541 (accessed 2026-10-19).