Hardware Spec Index

Zephyra FN-6647 Plus 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN6647-PLUS · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index239 (Case Fans scale)
Category rank#310
Street price$9
Power3 W
Performance per dollar26.56
Released2022

Specifications

BrandZephyra
ModelZephyra FN-6647 Plus
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-9391 Ti 120mm PWM ARGB Case Fan850$29Compare
Brontix FN-4500 Ti 140mm PWM Case Fan (3-Pack)459$19Compare
Corvane FN-3883 Max 120mm PWM ARGB Case Fan (3-Pack)915$29Compare
Corvane FN-3831 SE 120mm PWM Case Fan279$9Compare
Corvane FN-9866 Edge 120mm PWM Case Fan615$19Compare
Zephyra FN-9120 Max 120mm PWM ARGB Case Fan1,129$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-6647 Plus 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3950409 (accessed 2026-10-19).