Hardware Spec Index

Caldera FN-4640 Prime 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4640-PRIME · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index1,016 (Case Fans scale)
Category rank#18,218
Street price$29
Power2 W
Performance per dollar35.03
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4640 Prime
Size120 × 120 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise23 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-4879 SE 120mm PWM Case Fan427$9Compare
Corvane FN-2689 Core 120mm PWM ARGB Case Fan1,036$29Compare
Zephyra FN-9280 Core 120mm PWM ARGB Case Fan1,310$49Compare
Corvane FN-6578 Core 140mm PWM Case Fan545$19Compare
Corvane FN-1726 Prime 120mm PWM Case Fan (3-Pack)664$19Compare
Brontix FN-9702 Ultra 120mm PWM ARGB Case Fan1,019$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-4640 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/81679977 (accessed 2026-10-19).