Hardware Spec Index

Zephyra FN-3640 SE 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3640-SE · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index1,152 (Case Fans scale)
Category rank#18,612
Street price$39
Power4 W
Performance per dollar29.54
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3640 SE
Size120 × 120 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-8404 Ultra 120mm PWM Case Fan390$19Compare
Caldera FN-6424 Plus 120mm PWM ARGB Case Fan (3-Pack)779$29Compare
Brontix FN-5493 Pro 140mm PWM Case Fan (3-Pack)265$9Compare
Teralux FN-2405 SE 120mm PWM ARGB Case Fan (3-Pack)1,337$49Compare
Brontix FN-3212 Max 140mm PWM ARGB Case Fan (3-Pack)1,400$49Compare
Brontix FN-2872 Plus 120mm PWM ARGB Case Fan1,392$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3640 SE 120mm PWM ARGB Case Fan”, https://vextor7.com/item/28026330 (accessed 2026-10-23).