Hardware Spec Index

Zephyra FN-6721 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN6721-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,347 (Case Fans scale)
Category rank#32,576
Street price$49
Power3 W
Performance per dollar27.49
Released2021

Specifications

BrandZephyra
ModelZephyra FN-6721 Ultra
Size120 × 120 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-8210 Core 140mm PWM ARGB Case Fan (3-Pack)876$29Compare
Corvane FN-9483 Max 140mm PWM ARGB Case Fan1,394$49Compare
Caldera FN-6559 XT 140mm PWM ARGB Case Fan1,322$49Compare
Teralux FN-1160 Plus 120mm PWM Case Fan365$9Compare
Corvane FN-6686 Edge 140mm PWM ARGB Case Fan1,031$29Compare
Brontix FN-2924 SE 120mm PWM Case Fan (3-Pack)441$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-6721 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/9839595 (accessed 2026-10-25).