Hardware Spec Index

Caldera FN-6689 XT 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6689-XT · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index267 (Case Fans scale)
Category rank#10,171
Street price$9
Power3 W
Performance per dollar29.67
Released2026

Specifications

BrandCaldera
ModelCaldera FN-6689 XT
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-1917 SE 120mm PWM Case Fan661$19Compare
Caldera FN-4024 Ultra 120mm PWM Case Fan723$19Compare
Caldera FN-1655 Prime 120mm PWM ARGB Case Fan1,291$49Compare
Brontix FN-8165 XT 140mm PWM ARGB Case Fan1,167$39Compare
Corvane FN-9618 SE 140mm PWM ARGB Case Fan976$29Compare
Teralux FN-3364 Core 140mm PWM Case Fan472$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-6689 XT 140mm PWM Case Fan”, https://vextor7.com/item/94869437 (accessed 2026-10-24).