Hardware Spec Index

Caldera FN-1637 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1637-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,024 (Case Fans scale)
Category rank#27,364
Street price$39
Power3 W
Performance per dollar26.26
Released2025

Specifications

BrandCaldera
ModelCaldera FN-1637 Ultra
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1637 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/863080 (accessed 2026-10-21).