Hardware Spec Index

Teralux FN-4840 Pro 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN4840-PRO · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index973 (Case Fans scale)
Category rank#12,161
Street price$39
Power3 W
Performance per dollar24.95
Released2020

Specifications

BrandTeralux
ModelTeralux FN-4840 Pro
Size120 × 120 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise26 dBA
BearingFluid dynamic 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
Caldera FN-4284 Ultra 120mm PWM ARGB Case Fan (3-Pack)857$29Compare
Brontix FN-8479 SE 140mm PWM Case Fan686$19Compare
Caldera FN-1534 Plus 140mm PWM Case Fan419$19Compare
Caldera FN-8144 Edge 140mm PWM Case Fan (3-Pack)717$19Compare
Brontix FN-8205 Pro 140mm PWM ARGB Case Fan (3-Pack)960$29Compare
Brontix FN-5181 SE 120mm PWM ARGB Case Fan1,286$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-4840 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/6473565 (accessed 2026-10-24).