Hardware Spec Index

Teralux FN-3998 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3998-PRIME · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index214 (Case Fans scale)
Category rank#23,619
Street price$9
Power2 W
Performance per dollar23.78
Released2026

Specifications

BrandTeralux
ModelTeralux FN-3998 Prime
Size140 × 140 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-7371 Edge 140mm PWM Case Fan556$19Compare
Brontix FN-3579 Plus 120mm PWM ARGB Case Fan (3-Pack)1,144$39Compare
Teralux FN-8576 Plus 120mm PWM ARGB Case Fan (3-Pack)992$39Compare
Corvane FN-5953 Prime 120mm PWM Case Fan (3-Pack)266$9Compare
Teralux FN-1842 Core 120mm PWM Case Fan364$9Compare
Caldera FN-6438 Pro 140mm PWM Case Fan803$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3998 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/10965697 (accessed 2026-10-22).