Hardware Spec Index

Teralux FN-4657 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Teralux · SKU FN4657-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,333 (Case Fans scale)
Category rank#36,341
Street price$49
Power4 W
Performance per dollar27.20
Released2021

Specifications

BrandTeralux
ModelTeralux FN-4657 Ultra
Size120 × 120 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-6605 Ultra 140mm PWM ARGB Case Fan (3-Pack)903$29Compare
Zephyra FN-9511 Ultra 120mm PWM Case Fan364$19Compare
Teralux FN-8373 XT 140mm PWM ARGB Case Fan (3-Pack)1,177$39Compare
Caldera FN-6267 XT 120mm PWM ARGB Case Fan1,188$39Compare
Caldera FN-5421 Prime 120mm PWM Case Fan (3-Pack)293$9Compare
Caldera FN-7680 SE 140mm PWM ARGB Case Fan920$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-4657 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/5485300 (accessed 2026-10-20).