Hardware Spec Index

Caldera FN-6515 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6515-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index333 (Case Fans scale)
Category rank#20,737
Street price$9
Power4 W
Performance per dollar37.00
Released2022

Specifications

BrandCaldera
ModelCaldera FN-6515 Ultra
Size140 × 140 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6515 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/17802486 (accessed 2026-10-20).