Hardware Spec Index

Zephyra FN-9947 Core 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN9947-CORE · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index272 (Case Fans scale)
Category rank#22,744
Street price$9
Power3 W
Performance per dollar30.22
Released2021

Specifications

BrandZephyra
ModelZephyra FN-9947 Core
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-6575 Pro 140mm PWM ARGB Case Fan1,378$49Compare
Brontix FN-8234 Core 120mm PWM Case Fan (3-Pack)340$9Compare
Caldera FN-1851 Core 120mm PWM ARGB Case Fan (3-Pack)1,259$49Compare
Teralux FN-5373 Core 120mm PWM Case Fan387$9Compare
Caldera FN-2680 Ultra 120mm PWM ARGB Case Fan906$29Compare
Teralux FN-7229 Core 120mm PWM Case Fan (3-Pack)736$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-9947 Core 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/6867080 (accessed 2026-10-26).