Hardware Spec Index

Zephyra FN-4021 XT 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4021-XT · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index958 (Case Fans scale)
Category rank#9,954
Street price$29
Power2 W
Performance per dollar33.03
Released2026

Specifications

BrandZephyra
ModelZephyra FN-4021 XT
Size120 × 120 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4021 XT 120mm PWM ARGB Case Fan”, https://vextor7.com/item/43679722 (accessed 2026-10-23).