Hardware Spec Index

Caldera FN-1658 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN1658-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,216 (Case Fans scale)
Category rank#14,798
Street price$39
Power3 W
Performance per dollar31.18
Released2019

Specifications

BrandCaldera
ModelCaldera FN-1658 Ultra
Size140 × 140 × 25 mm
Speed400–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1658 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/46970213 (accessed 2026-10-22).