Hardware Spec Index

Caldera FN-5631 Prime 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5631-PRIME · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index921 (Case Fans scale)
Category rank#38,299
Street price$29
Power4 W
Performance per dollar31.76
Released2019

Specifications

BrandCaldera
ModelCaldera FN-5631 Prime
Size120 × 120 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-9471 Pro 120mm PWM Case Fan261$9Compare
Teralux FN-4191 Plus 140mm PWM Case Fan481$19Compare
Teralux FN-2214 Edge 120mm PWM Case Fan631$19Compare
Zephyra FN-3012 Plus 120mm PWM ARGB Case Fan1,042$39Compare
Teralux FN-5317 Ultra 120mm PWM Case Fan596$19Compare
Caldera FN-2984 XT 120mm PWM Case Fan385$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-5631 Prime 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/59270 (accessed 2026-10-19).