Hardware Spec Index

Zephyra FN-6521 Ultra 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN6521-ULTRA · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index977 (Case Fans scale)
Category rank#41,548
Street price$29
Power3 W
Performance per dollar33.69
Released2026

Specifications

BrandZephyra
ModelZephyra FN-6521 Ultra
Size120 × 120 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6521 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/74552261 (accessed 2026-10-24).