Hardware Spec Index

Caldera FN-1776 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN1776-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index281 (Case Fans scale)
Category rank#31,224
Street price$9
Power3 W
Performance per dollar31.22
Released2021

Specifications

BrandCaldera
ModelCaldera FN-1776 Ultra
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1776 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/343072 (accessed 2026-10-21).