Hardware Spec Index

Teralux FN-7991 XT 120mm PWM Case Fan

Case Fans · Teralux · SKU FN7991-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index768 (Case Fans scale)
Category rank#11,434
Street price$19
Power4 W
Performance per dollar40.42
Released2021

Specifications

BrandTeralux
ModelTeralux FN-7991 XT
Size120 × 120 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise34 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
Caldera FN-6558 XT 120mm PWM Case Fan637$19Compare
Teralux FN-8371 SE 120mm PWM ARGB Case Fan1,355$49Compare
Zephyra FN-9837 Core 140mm PWM ARGB Case Fan (3-Pack)1,190$49Compare
Caldera FN-4468 Ti 120mm PWM ARGB Case Fan1,199$49Compare
Zephyra FN-4164 Edge 140mm PWM ARGB Case Fan1,400$49Compare
Caldera FN-2741 Ti 120mm PWM ARGB Case Fan1,088$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-7991 XT 120mm PWM Case Fan”, https://vextor7.com/item/414707 (accessed 2026-10-19).