Hardware Spec Index

Teralux FN-4938 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN4938-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index992 (Case Fans scale)
Category rank#5,998
Street price$29
Power3 W
Performance per dollar34.21
Released2021

Specifications

BrandTeralux
ModelTeralux FN-4938 Ultra
Size140 × 140 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4938 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/678205 (accessed 2026-10-19).