Hardware Spec Index

Caldera FN-5591 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5591-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index868 (Case Fans scale)
Category rank#40,822
Street price$29
Power3 W
Performance per dollar29.93
Released2025

Specifications

BrandCaldera
ModelCaldera FN-5591 Ultra
Size140 × 140 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-3412 Core 120mm PWM Case Fan712$19Compare
Corvane FN-1111 Pro 120mm PWM Case Fan (3-Pack)459$19Compare
Caldera FN-3910 Plus 120mm PWM Case Fan (3-Pack)238$9Compare
Caldera FN-2347 XT 140mm PWM Case Fan (3-Pack)633$19Compare
Corvane FN-6883 Core 120mm PWM ARGB Case Fan (3-Pack)881$29Compare
Caldera FN-5726 Max 140mm PWM Case Fan354$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-5591 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/76358440 (accessed 2026-10-19).