Hardware Spec Index

Teralux FN-4938 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN4938-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index497 (Case Fans scale)
Category rank#5,335
Street price$19
Power2 W
Performance per dollar26.16
Released2021

Specifications

BrandTeralux
ModelTeralux FN-4938 Ultra
Size140 × 140 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-9435 Prime 120mm PWM Case Fan259$9Compare
Zephyra FN-4544 XT 140mm PWM ARGB Case Fan (3-Pack)970$29Compare
Zephyra FN-5220 Ultra 120mm PWM ARGB Case Fan1,274$39Compare
Brontix FN-3983 Ultra 120mm PWM Case Fan743$19Compare
Zephyra FN-8667 Plus 120mm PWM ARGB Case Fan (3-Pack)1,306$39Compare
Caldera FN-1139 Ultra 140mm PWM Case Fan639$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-4938 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7757797 (accessed 2026-10-22).