Hardware Spec Index

Caldera FN-4688 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4688-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index272 (Case Fans scale)
Category rank#1,314
Street price$9
Power2 W
Performance per dollar30.22
Released2025

Specifications

BrandCaldera
ModelCaldera FN-4688 Ultra
Size140 × 140 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4688 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/94899160 (accessed 2026-10-23).