Hardware Spec Index

Caldera FN-3638 Prime 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3638-PRIME · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,146 (Case Fans scale)
Category rank#38,939
Street price$39
Power3 W
Performance per dollar29.38
Released2020

Specifications

BrandCaldera
ModelCaldera FN-3638 Prime
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise23 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-3638 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/9878633 (accessed 2026-10-20).