Hardware Spec Index

Zephyra FN-5751 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN5751-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index293 (Case Fans scale)
Category rank#23,746
Street price$9
Power3 W
Performance per dollar32.56
Released2024

Specifications

BrandZephyra
ModelZephyra FN-5751 Ultra
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-1491 Plus 120mm PWM Case Fan711$19Compare
Corvane FN-5656 Core 120mm PWM ARGB Case Fan960$29Compare
Caldera FN-2384 Ti 120mm PWM Case Fan545$19Compare
Teralux FN-4239 Ultra 120mm PWM ARGB Case Fan842$19Compare
Teralux FN-5954 Max 140mm PWM Case Fan (3-Pack)619$19Compare
Brontix FN-4147 Ultra 140mm PWM Case Fan288$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-5751 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/95295578 (accessed 2026-10-25).