Hardware Spec Index

Caldera FN-4904 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4904-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index728 (Case Fans scale)
Category rank#32,978
Street price$19
Power4 W
Performance per dollar38.32
Released2025

Specifications

BrandCaldera
ModelCaldera FN-4904 Ultra
Size120 × 120 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise30 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-9035 Core 120mm PWM Case Fan (3-Pack)673$19Compare
Zephyra FN-8139 Core 140mm PWM ARGB Case Fan (3-Pack)1,152$39Compare
Caldera FN-6966 XT 140mm PWM ARGB Case Fan866$29Compare
Corvane FN-9447 XT 140mm PWM Case Fan633$19Compare
Caldera FN-5246 Edge 120mm PWM Case Fan (3-Pack)387$19Compare
Corvane FN-2251 Plus 120mm PWM ARGB Case Fan (3-Pack)924$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-4904 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/8553364 (accessed 2026-10-19).