Hardware Spec Index

Teralux FN-3988 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3988-ULTRA · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index1,391 (Case Fans scale)
Category rank#18,224
Street price$49
Power2 W
Performance per dollar28.39
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3988 Ultra
Size140 × 140 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-9635 Edge 120mm PWM ARGB Case Fan1,371$49Compare
Caldera FN-2703 Prime 120mm PWM ARGB Case Fan919$29Compare
Brontix FN-6199 XT 120mm PWM ARGB Case Fan1,155$39Compare
Caldera FN-5998 Plus 140mm PWM ARGB Case Fan (3-Pack)1,110$39Compare
Brontix FN-5950 XT 120mm PWM Case Fan262$9Compare
Corvane FN-1006 Core 120mm PWM Case Fan597$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3988 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7909599 (accessed 2026-10-23).