Hardware Spec Index

Caldera FN-6668 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6668-PRO · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index254 (Case Fans scale)
Category rank#23,408
Street price$9
Power4 W
Performance per dollar28.22
Released2026

Specifications

BrandCaldera
ModelCaldera FN-6668 Pro
Size120 × 120 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-7950 Prime 120mm PWM Case Fan (3-Pack)472$19Compare
Caldera FN-9389 Plus 140mm PWM Case Fan637$19Compare
Brontix FN-3662 Max 120mm PWM ARGB Case Fan (3-Pack)841$29Compare
Caldera FN-6159 Prime 140mm PWM Case Fan648$19Compare
Brontix FN-6319 Ultra 140mm PWM Case Fan (3-Pack)431$19Compare
Zephyra FN-2498 Edge 120mm PWM Case Fan (3-Pack)709$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-6668 Pro 120mm PWM Case Fan”, https://vextor7.com/item/14979895 (accessed 2026-10-24).