Hardware Spec Index

Corvane FN-6647 Ultra 140mm PWM Case Fan

Case Fans · Corvane · SKU FN6647-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index409 (Case Fans scale)
Category rank#26,372
Street price$19
Power3 W
Performance per dollar21.53
Released2026

Specifications

BrandCorvane
ModelCorvane FN-6647 Ultra
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-2469 SE 120mm PWM Case Fan582$19Compare
Brontix FN-5296 SE 140mm PWM Case Fan668$19Compare
Corvane FN-7151 Pro 140mm PWM Case Fan391$9Compare
Teralux FN-7015 Core 120mm PWM Case Fan803$19Compare
Brontix FN-5230 Max 120mm PWM ARGB Case Fan937$29Compare
Caldera FN-8555 Max 140mm PWM Case Fan599$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Corvane FN-6647 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/4556136 (accessed 2026-10-20).