Hardware Spec Index

Caldera FN-6550 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6550-PRIME · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index319 (Case Fans scale)
Category rank#4,530
Street price$9
Power4 W
Performance per dollar35.44
Released2021

Specifications

BrandCaldera
ModelCaldera FN-6550 Prime
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6550 Prime 140mm PWM Case Fan”, https://vextor7.com/item/12469111 (accessed 2026-10-26).