Hardware Spec Index

Caldera FN-6635 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6635-PRIME · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index313 (Case Fans scale)
Category rank#4,711
Street price$9
Power4 W
Performance per dollar34.78
Released2024

Specifications

BrandCaldera
ModelCaldera FN-6635 Prime
Size140 × 140 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-1144 SE 140mm PWM ARGB Case Fan (3-Pack)1,245$49Compare
Caldera FN-6780 Pro 140mm PWM Case Fan646$19Compare
Caldera FN-1180 Ti 120mm PWM ARGB Case Fan975$29Compare
Corvane FN-5262 SE 140mm PWM Case Fan324$9Compare
Teralux FN-3302 XT 120mm PWM ARGB Case Fan (3-Pack)919$29Compare
Teralux FN-9021 Ti 120mm PWM Case Fan231$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-6635 Prime 140mm PWM Case Fan”, https://vextor7.com/item/16979196 (accessed 2026-10-25).