Hardware Spec Index

Teralux FN-3999 Pro 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3999-PRO · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index1,130 (Case Fans scale)
Category rank#6,290
Street price$39
Power3 W
Performance per dollar28.97
Released2019

Specifications

BrandTeralux
ModelTeralux FN-3999 Pro
Size120 × 120 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise36 dBA
BearingMagnetic levitation
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
Brontix FN-9828 Prime 120mm PWM ARGB Case Fan (3-Pack)981$29Compare
Teralux FN-4780 Prime 140mm PWM ARGB Case Fan (3-Pack)977$29Compare
Brontix FN-9552 Plus 140mm PWM Case Fan407$9Compare
Corvane FN-4316 XT 120mm PWM Case Fan (3-Pack)223$9Compare
Caldera FN-4935 Max 140mm PWM Case Fan448$19Compare
Zephyra FN-2147 Ti 120mm PWM Case Fan378$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3999 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/514810 (accessed 2026-10-23).