Hardware Spec Index

Teralux FN-4257 Pro 120mm PWM Case Fan

Case Fans · Teralux · SKU FN4257-PRO · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index342 (Case Fans scale)
Category rank#35,753
Street price$9
Power3 W
Performance per dollar38.00
Released2019

Specifications

BrandTeralux
ModelTeralux FN-4257 Pro
Size120 × 120 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-8450 Plus 140mm PWM Case Fan512$19Compare
Teralux FN-5570 Max 120mm PWM ARGB Case Fan956$29Compare
Caldera FN-6523 Ultra 140mm PWM ARGB Case Fan934$29Compare
Teralux FN-9121 Core 140mm PWM Case Fan235$9Compare
Corvane FN-1004 Ti 120mm PWM ARGB Case Fan (3-Pack)895$29Compare
Corvane FN-9418 Pro 120mm PWM ARGB Case Fan1,334$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-4257 Pro 120mm PWM Case Fan”, https://vextor7.com/item/9856497 (accessed 2026-10-19).