Hardware Spec Index

Teralux FN-4891 Ultra 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN4891-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index874 (Case Fans scale)
Category rank#2,681
Street price$19
Power2 W
Performance per dollar46.00
Released2024

Specifications

BrandTeralux
ModelTeralux FN-4891 Ultra
Size120 × 120 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4891 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/2323264 (accessed 2026-10-26).