Hardware Spec Index

Zephyra FN-4647 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4647-PRIME · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index777 (Case Fans scale)
Category rank#46,477
Street price$19
Power3 W
Performance per dollar40.89
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4647 Prime
Size120 × 120 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-9007 Prime 120mm PWM Case Fan349$9Compare
Brontix FN-4057 Prime 120mm PWM ARGB Case Fan921$29Compare
Corvane FN-4193 Ti 120mm PWM Case Fan569$19Compare
Corvane FN-6423 XT 120mm PWM ARGB Case Fan1,104$39Compare
Brontix FN-5898 SE 120mm PWM ARGB Case Fan (3-Pack)990$29Compare
Brontix FN-4764 Ultra 120mm PWM ARGB Case Fan989$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-4647 Prime 120mm PWM Case Fan”, https://vextor7.com/item/4272873 (accessed 2026-10-25).