Hardware Spec Index

Teralux FN-3805 Ultra 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3805-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index847 (Case Fans scale)
Category rank#11,951
Street price$29
Power4 W
Performance per dollar29.21
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3805 Ultra
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise32 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
Corvane FN-8924 Core 120mm PWM ARGB Case Fan1,315$39Compare
Caldera FN-3966 Pro 140mm PWM Case Fan (3-Pack)222$9Compare
Teralux FN-9085 Ti 120mm PWM Case Fan (3-Pack)467$19Compare
Zephyra FN-2025 Plus 120mm PWM Case Fan (3-Pack)757$19Compare
Zephyra FN-5104 SE 120mm PWM Case Fan (3-Pack)637$19Compare
Zephyra FN-7999 Prime 120mm PWM ARGB Case Fan (3-Pack)1,160$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3805 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/95298362 (accessed 2026-10-25).