Hardware Spec Index

Zephyra FN-5721 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN5721-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,247 (Case Fans scale)
Category rank#3,931
Street price$49
Power3 W
Performance per dollar25.45
Released2023

Specifications

BrandZephyra
ModelZephyra FN-5721 Ultra
Size120 × 120 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise34 dBA
BearingRifle bearing
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
Caldera FN-3504 Ti 120mm PWM ARGB Case Fan1,054$39Compare
Brontix FN-3454 Edge 120mm PWM ARGB Case Fan978$29Compare
Corvane FN-3208 Plus 140mm PWM ARGB Case Fan817$29Compare
Corvane FN-1841 Pro 120mm PWM Case Fan (3-Pack)670$19Compare
Brontix FN-8883 Core 140mm PWM Case Fan681$19Compare
Brontix FN-5518 Ultra 120mm PWM Case Fan (3-Pack)528$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-5721 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/216910 (accessed 2026-10-19).