Hardware Spec Index

Zephyra FN-6634 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN6634-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index745 (Case Fans scale)
Category rank#11,929
Street price$19
Power4 W
Performance per dollar39.21
Released2026

Specifications

BrandZephyra
ModelZephyra FN-6634 Ultra
Size120 × 120 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6634 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/20151741 (accessed 2026-10-20).