Hardware Spec Index

Caldera FN-4540 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4540-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index510 (Case Fans scale)
Category rank#17,626
Street price$19
Power4 W
Performance per dollar26.84
Released2019

Specifications

BrandCaldera
ModelCaldera FN-4540 Ultra
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-1521 Ti 120mm PWM Case Fan446$9Compare
Corvane FN-8975 Plus 120mm PWM Case Fan265$9Compare
Corvane FN-6431 Core 120mm PWM ARGB Case Fan (3-Pack)914$29Compare
Teralux FN-7908 XT 120mm PWM Case Fan689$19Compare
Teralux FN-3163 Edge 140mm PWM Case Fan397$9Compare
Brontix FN-6385 Max 120mm PWM Case Fan639$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-4540 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/96433496 (accessed 2026-10-24).