Hardware Spec Index

Caldera FN-1691 Prime 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN1691-PRIME · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index1,341 (Case Fans scale)
Category rank#41,762
Street price$49
Power4 W
Performance per dollar27.37
Released2026

Specifications

BrandCaldera
ModelCaldera FN-1691 Prime
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1691 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/9199339 (accessed 2026-10-26).