Hardware Spec Index

Zephyra FN-3331 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3331-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index315 (Case Fans scale)
Category rank#32,012
Street price$9
Power3 W
Performance per dollar35.00
Released2024

Specifications

BrandZephyra
ModelZephyra FN-3331 Ultra
Size140 × 140 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise26 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-1430 Plus 120mm PWM Case Fan788$29Compare
Caldera FN-3367 Plus 140mm PWM Case Fan410$19Compare
Corvane FN-3705 Ti 140mm PWM Case Fan320$9Compare
Brontix FN-6814 Plus 120mm PWM ARGB Case Fan920$29Compare
Zephyra FN-1380 Core 120mm PWM Case Fan648$19Compare
Caldera FN-5641 Plus 140mm PWM ARGB Case Fan1,278$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3331 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4467461 (accessed 2026-10-20).