Hardware Spec Index

Caldera FN-2781 Core 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN2781-CORE · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index929 (Case Fans scale)
Category rank#30,039
Street price$29
Power3 W
Performance per dollar32.03
Released2023

Specifications

BrandCaldera
ModelCaldera FN-2781 Core
Size140 × 140 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise24 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-2781 Core 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/5651135 (accessed 2026-10-22).