Hardware Spec Index

Caldera FN-6721 Prime 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6721-PRIME · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#49,239
Street price$49
Power4 W
Performance per dollar28.57
Released2025

Specifications

BrandCaldera
ModelCaldera FN-6721 Prime
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise31 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-6721 Prime 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/21366952 (accessed 2026-10-21).