Hardware Spec Index

Caldera FN-3688 Max 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3688-MAX · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index853 (Case Fans scale)
Category rank#5,149
Street price$29
Power3 W
Performance per dollar29.41
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3688 Max
Size140 × 140 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-1451 Edge 140mm PWM Case Fan626$19Compare
Zephyra FN-6410 Plus 120mm PWM Case Fan273$9Compare
Teralux FN-9229 Max 120mm PWM ARGB Case Fan1,125$39Compare
Brontix FN-5413 Plus 120mm PWM Case Fan465$19Compare
Teralux FN-5639 Prime 120mm PWM Case Fan631$19Compare
Teralux FN-1827 XT 140mm PWM ARGB Case Fan820$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-3688 Max 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/16382575 (accessed 2026-10-21).