Hardware Spec Index

Caldera FN-8391 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN8391-PRIME · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index454 (Case Fans scale)
Category rank#2,010
Street price$19
Power3 W
Performance per dollar23.89
Released2020

Specifications

BrandCaldera
ModelCaldera FN-8391 Prime
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-6211 Ultra 120mm PWM Case Fan635$19Compare
Corvane FN-7876 XT 120mm PWM ARGB Case Fan (3-Pack)1,015$29Compare
Zephyra FN-5244 Prime 120mm PWM Case Fan408$19Compare
Zephyra FN-7520 SE 140mm PWM Case Fan298$9Compare
Brontix FN-9226 Plus 120mm PWM ARGB Case Fan1,065$39Compare
Brontix FN-1329 XT 120mm PWM ARGB Case Fan851$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-8391 Prime 120mm PWM Case Fan”, https://vextor7.com/item/33039789 (accessed 2026-10-24).