Hardware Spec Index

Teralux FN-4256 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Teralux · SKU FN4256-PRO · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index1,287 (Case Fans scale)
Category rank#42,770
Street price$39
Power4 W
Performance per dollar33.00
Released2020

Specifications

BrandTeralux
ModelTeralux FN-4256 Pro
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-4400 Edge 120mm PWM Case Fan520$19Compare
Zephyra FN-4580 Prime 120mm PWM Case Fan695$19Compare
Brontix FN-7115 SE 120mm PWM Case Fan518$19Compare
Brontix FN-4880 SE 120mm PWM ARGB Case Fan1,035$39Compare
Teralux FN-5519 XT 120mm PWM Case Fan273$9Compare
Corvane FN-7776 Ti 120mm PWM ARGB Case Fan1,056$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-4256 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/9709984 (accessed 2026-10-19).