Hardware Spec Index

Caldera FN-6721 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6721-PRIME · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index614 (Case Fans scale)
Category rank#9,750
Street price$19
Power3 W
Performance per dollar32.32
Released2020

Specifications

BrandCaldera
ModelCaldera FN-6721 Prime
Size140 × 140 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6721 Prime 140mm PWM Case Fan”, https://vextor7.com/item/46972298 (accessed 2026-10-22).