Hardware Spec Index

Teralux FN-3843 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN3843-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index800 (Case Fans scale)
Category rank#42,401
Street price$29
Power3 W
Performance per dollar27.59
Released2023

Specifications

BrandTeralux
ModelTeralux FN-3843 Ultra
Size120 × 120 × 25 mm
Speed200–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-7614 Edge 140mm PWM Case Fan217$9Compare
Brontix FN-9284 Max 140mm PWM ARGB Case Fan1,135$39Compare
Caldera FN-7714 SE 120mm PWM ARGB Case Fan1,389$49Compare
Brontix FN-7120 Ultra 120mm PWM Case Fan (3-Pack)322$9Compare
Brontix FN-6888 Prime 120mm PWM ARGB Case Fan1,390$49Compare
Teralux FN-7768 SE 120mm PWM ARGB Case Fan (3-Pack)971$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3843 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/21244978 (accessed 2026-10-24).