Hardware Spec Index

Caldera FN-6843 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6843-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index243 (Case Fans scale)
Category rank#32,464
Street price$9
Power3 W
Performance per dollar27.00
Released2024

Specifications

BrandCaldera
ModelCaldera FN-6843 Ultra
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6843 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/37523891 (accessed 2026-10-24).