Hardware Spec Index

Zephyra FN-6657 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN6657-PRIME · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index384 (Case Fans scale)
Category rank#46,858
Street price$19
Power3 W
Performance per dollar20.21
Released2022

Specifications

BrandZephyra
ModelZephyra FN-6657 Prime
Size140 × 140 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise34 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
Zephyra FN-2658 Prime 120mm PWM Case Fan477$19Compare
Teralux FN-4649 Pro 140mm PWM ARGB Case Fan (3-Pack)1,297$39Compare
Caldera FN-8455 Pro 140mm PWM ARGB Case Fan1,287$49Compare
Zephyra FN-3865 Ultra 120mm PWM ARGB Case Fan947$29Compare
Teralux FN-7841 SE 120mm PWM Case Fan (3-Pack)308$9Compare
Zephyra FN-3013 Pro 120mm PWM ARGB Case Fan1,173$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-6657 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/6426109 (accessed 2026-10-23).