Hardware Spec Index

Caldera FN-3678 Edge 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3678-EDGE · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index736 (Case Fans scale)
Category rank#37,689
Street price$29
Power4 W
Performance per dollar25.38
Released2023

Specifications

BrandCaldera
ModelCaldera FN-3678 Edge
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3678 Edge 140mm PWM Case Fan”, https://vextor7.com/item/3354288 (accessed 2026-10-26).