Hardware Spec Index

Caldera FN-5631 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN5631-PRO · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index665 (Case Fans scale)
Category rank#44,274
Street price$19
Power3 W
Performance per dollar35.00
Released2019

Specifications

BrandCaldera
ModelCaldera FN-5631 Pro
Size140 × 140 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-7833 Ultra 140mm PWM Case Fan304$9Compare
Teralux FN-4763 Prime 120mm PWM Case Fan (3-Pack)255$9Compare
Zephyra FN-1407 Prime 120mm PWM ARGB Case Fan1,301$49Compare
Caldera FN-8217 Ti 120mm PWM Case Fan242$9Compare
Teralux FN-2569 XT 140mm PWM ARGB Case Fan1,097$29Compare
Caldera FN-7656 Edge 140mm PWM ARGB Case Fan1,084$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-5631 Pro 140mm PWM Case Fan”, https://vextor7.com/item/10080932 (accessed 2026-10-22).