Hardware Spec Index

Caldera FN-6748 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6748-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index675 (Case Fans scale)
Category rank#24,645
Street price$19
Power3 W
Performance per dollar35.53
Released2025

Specifications

BrandCaldera
ModelCaldera FN-6748 Ultra
Size140 × 140 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-3290 XT 140mm PWM Case Fan362$9Compare
Brontix FN-9373 Ti 120mm PWM Case Fan563$19Compare
Teralux FN-7417 XT 140mm PWM Case Fan (3-Pack)397$19Compare
Corvane FN-6837 XT 120mm PWM Case Fan624$19Compare
Brontix FN-3701 Ti 140mm PWM ARGB Case Fan (3-Pack)894$29Compare
Brontix FN-1018 Core 120mm PWM Case Fan (3-Pack)547$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-6748 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/97830074 (accessed 2026-10-22).