Hardware Spec Index

Zephyra FN-4021 Edge 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4021-EDGE · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index983 (Case Fans scale)
Category rank#28,880
Street price$29
Power3 W
Performance per dollar33.90
Released2025

Specifications

BrandZephyra
ModelZephyra FN-4021 Edge
Size120 × 120 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-5206 Prime 120mm PWM ARGB Case Fan1,341$49Compare
Teralux FN-3841 Plus 140mm PWM Case Fan (3-Pack)433$9Compare
Zephyra FN-4819 SE 120mm PWM Case Fan550$19Compare
Zephyra FN-6611 Pro 120mm PWM Case Fan (3-Pack)545$19Compare
Corvane FN-5585 Plus 120mm PWM Case Fan (3-Pack)322$9Compare
Zephyra FN-1122 Max 120mm PWM Case Fan326$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-4021 Edge 120mm PWM ARGB Case Fan”, https://vextor7.com/item/62810008 (accessed 2026-10-22).