Hardware Spec Index

Caldera FN-4250 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4250-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index246 (Case Fans scale)
Category rank#28,626
Street price$9
Power3 W
Performance per dollar27.33
Released2026

Specifications

BrandCaldera
ModelCaldera FN-4250 Ultra
Size120 × 120 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-2245 Plus 120mm PWM Case Fan488$19Compare
Caldera FN-2646 XT 120mm PWM ARGB Case Fan998$39Compare
Caldera FN-1808 Ultra 140mm PWM ARGB Case Fan1,131$29Compare
Teralux FN-3641 SE 120mm PWM ARGB Case Fan1,068$39Compare
Zephyra FN-4861 Ti 140mm PWM ARGB Case Fan1,170$39Compare
Caldera FN-4474 XT 120mm PWM ARGB Case Fan1,238$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-4250 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/4818787 (accessed 2026-10-25).