Hardware Spec Index

Zephyra FN-5540 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN5540-PRIME · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index333 (Case Fans scale)
Category rank#27,591
Street price$9
Power4 W
Performance per dollar37.00
Released2024

Specifications

BrandZephyra
ModelZephyra FN-5540 Prime
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-5203 Plus 120mm PWM Case Fan (3-Pack)753$19Compare
Teralux FN-3552 XT 140mm PWM Case Fan496$19Compare
Zephyra FN-6252 Pro 120mm PWM ARGB Case Fan887$29Compare
Brontix FN-5665 Ti 140mm PWM ARGB Case Fan1,036$39Compare
Zephyra FN-8988 Ti 140mm PWM ARGB Case Fan1,187$39Compare
Corvane FN-3867 Prime 120mm PWM ARGB Case Fan948$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-5540 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4157112 (accessed 2026-10-20).