Hardware Spec Index

Caldera FN-1845 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN1845-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index898 (Case Fans scale)
Category rank#27,250
Street price$29
Power3 W
Performance per dollar30.97
Released2022

Specifications

BrandCaldera
ModelCaldera FN-1845 Ultra
Size140 × 140 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1845 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/833740 (accessed 2026-10-19).