Hardware Spec Index

Caldera FN-3749 XT 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3749-XT · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index406 (Case Fans scale)
Category rank#31,508
Street price$19
Power4 W
Performance per dollar21.37
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3749 XT
Size140 × 140 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-8138 Max 120mm PWM Case Fan562$19Compare
Brontix FN-5689 Prime 140mm PWM Case Fan (3-Pack)578$19Compare
Caldera FN-6688 Ti 140mm PWM ARGB Case Fan947$39Compare
Caldera FN-5848 Ti 120mm PWM Case Fan269$9Compare
Zephyra FN-3615 Max 140mm PWM Case Fan498$19Compare
Brontix FN-8436 SE 120mm PWM Case Fan (3-Pack)450$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-3749 XT 140mm PWM Case Fan”, https://vextor7.com/item/7922089 (accessed 2026-10-24).