Hardware Spec Index

Teralux FN-3948 Ultra 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3948-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index1,115 (Case Fans scale)
Category rank#30,072
Street price$29
Power4 W
Performance per dollar38.45
Released2026

Specifications

BrandTeralux
ModelTeralux FN-3948 Ultra
Size120 × 120 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3948 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/31362971 (accessed 2026-10-25).