Hardware Spec Index

Teralux FN-1891 Pro 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN1891-PRO · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,249 (Case Fans scale)
Category rank#20,891
Street price$49
Power4 W
Performance per dollar25.49
Released2021

Specifications

BrandTeralux
ModelTeralux FN-1891 Pro
Size120 × 120 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise22 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-6100 XT 120mm PWM Case Fan (3-Pack)556$19Compare
Caldera FN-1711 Core 120mm PWM ARGB Case Fan914$29Compare
Zephyra FN-8045 Core 140mm PWM ARGB Case Fan (3-Pack)1,099$39Compare
Corvane FN-4644 Pro 140mm PWM ARGB Case Fan844$29Compare
Zephyra FN-4492 Ti 120mm PWM Case Fan (3-Pack)204$9Compare
Teralux FN-9990 Max 120mm PWM ARGB Case Fan (3-Pack)1,174$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-1891 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/75535205 (accessed 2026-10-24).