Hardware Spec Index

Teralux FN-4991 XT 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Teralux · SKU FN4991-XT · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index1,318 (Case Fans scale)
Category rank#36,895
Street price$49
Power4 W
Performance per dollar26.90
Released2026

Specifications

BrandTeralux
ModelTeralux FN-4991 XT
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-7750 Ultra 120mm PWM ARGB Case Fan985$29Compare
Teralux FN-5484 Ti 120mm PWM ARGB Case Fan (3-Pack)978$29Compare
Teralux FN-7757 Edge 120mm PWM ARGB Case Fan (3-Pack)999$29Compare
Teralux FN-1303 Ti 120mm PWM Case Fan493$19Compare
Zephyra FN-3515 Pro 120mm PWM Case Fan384$9Compare
Corvane FN-8041 Ultra 120mm PWM Case Fan (3-Pack)614$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-4991 XT 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/6283952 (accessed 2026-10-22).