Hardware Spec Index

Zephyra FN-3646 Prime 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3646-PRIME · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index910 (Case Fans scale)
Category rank#41,286
Street price$29
Power3 W
Performance per dollar31.38
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3646 Prime
Size120 × 120 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-3418 Prime 120mm PWM Case Fan (3-Pack)484$19Compare
Corvane FN-9356 Max 120mm PWM ARGB Case Fan1,328$49Compare
Zephyra FN-4401 Ti 120mm PWM Case Fan (3-Pack)498$19Compare
Zephyra FN-8635 Pro 120mm PWM Case Fan264$9Compare
Teralux FN-2138 Ti 120mm PWM Case Fan751$19Compare
Teralux FN-8916 XT 120mm PWM Case Fan212$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3646 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/41912335 (accessed 2026-10-26).