Hardware Spec Index

Caldera FN-6641 XT 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN6641-XT · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index1,171 (Case Fans scale)
Category rank#31,198
Street price$39
Power4 W
Performance per dollar30.03
Released2026

Specifications

BrandCaldera
ModelCaldera FN-6641 XT
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6641 XT 140mm PWM ARGB Case Fan”, https://vextor7.com/item/8664136 (accessed 2026-10-19).