Hardware Spec Index

Zephyra FN-3681 Plus 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3681-PLUS · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index977 (Case Fans scale)
Category rank#24,889
Street price$29
Power3 W
Performance per dollar33.69
Released2025

Specifications

BrandZephyra
ModelZephyra FN-3681 Plus
Size120 × 120 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise30 dBA
BearingRifle bearing
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
Caldera FN-5121 Ti 140mm PWM ARGB Case Fan1,335$49Compare
Corvane FN-8013 XT 120mm PWM Case Fan215$9Compare
Caldera FN-7972 Max 120mm PWM Case Fan595$19Compare
Brontix FN-1777 Ultra 140mm PWM ARGB Case Fan1,147$39Compare
Zephyra FN-2646 Core 140mm PWM Case Fan655$19Compare
Corvane FN-2266 Ti 120mm PWM Case Fan (3-Pack)267$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3681 Plus 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/750439 (accessed 2026-10-21).