Hardware Spec Index

Caldera FN-5251 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN5251-PRIME · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index518 (Case Fans scale)
Category rank#10,508
Street price$19
Power3 W
Performance per dollar27.26
Released2023

Specifications

BrandCaldera
ModelCaldera FN-5251 Prime
Size140 × 140 × 25 mm
Speed200–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise35 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-1686 Edge 120mm PWM Case Fan (3-Pack)241$9Compare
Zephyra FN-2734 XT 120mm PWM Case Fan384$9Compare
Teralux FN-7554 Edge 120mm PWM ARGB Case Fan1,282$49Compare
Brontix FN-7255 Ti 120mm PWM Case Fan239$9Compare
Brontix FN-6072 Prime 120mm PWM Case Fan (3-Pack)674$19Compare
Brontix FN-9329 Prime 120mm PWM Case Fan (3-Pack)515$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-5251 Prime 140mm PWM Case Fan”, https://vextor7.com/item/29131043 (accessed 2026-10-24).