Hardware Spec Index

Teralux FN-4658 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN4658-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index722 (Case Fans scale)
Category rank#6,970
Street price$19
Power4 W
Performance per dollar38.00
Released2023

Specifications

BrandTeralux
ModelTeralux FN-4658 Ultra
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-9890 Max 140mm PWM ARGB Case Fan787$29Compare
Zephyra FN-4772 Plus 120mm PWM ARGB Case Fan1,245$39Compare
Brontix FN-2495 Pro 120mm PWM Case Fan203$9Compare
Caldera FN-3114 Ti 120mm PWM ARGB Case Fan1,283$49Compare
Caldera FN-5232 Max 120mm PWM Case Fan278$9Compare
Teralux FN-9834 Max 140mm PWM ARGB Case Fan1,165$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-4658 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5451460 (accessed 2026-10-23).