Hardware Spec Index

Caldera FN-4638 Plus 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4638-PLUS · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index1,238 (Case Fans scale)
Category rank#12,617
Street price$49
Power3 W
Performance per dollar25.27
Released2026

Specifications

BrandCaldera
ModelCaldera FN-4638 Plus
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4638 Plus 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/19804366 (accessed 2026-10-19).