Hardware Spec Index

Caldera FN-6638 Plus 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN6638-PLUS · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,344 (Case Fans scale)
Category rank#7,448
Street price$49
Power4 W
Performance per dollar27.43
Released2024

Specifications

BrandCaldera
ModelCaldera FN-6638 Plus
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6638 Plus 140mm PWM ARGB Case Fan”, https://vextor7.com/item/91673106 (accessed 2026-10-19).