Hardware Spec Index

Zephyra FN-5811 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN5811-ULTRA · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index374 (Case Fans scale)
Category rank#40,533
Street price$19
Power3 W
Performance per dollar19.68
Released2019

Specifications

BrandZephyra
ModelZephyra FN-5811 Ultra
Size140 × 140 × 25 mm
Speed300–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-8455 Core 140mm PWM Case Fan (3-Pack)822$29Compare
Zephyra FN-5392 Max 120mm PWM Case Fan306$9Compare
Brontix FN-8134 Prime 120mm PWM Case Fan551$19Compare
Brontix FN-2092 SE 120mm PWM ARGB Case Fan1,273$39Compare
Corvane FN-9350 Ti 120mm PWM ARGB Case Fan (3-Pack)910$29Compare
Brontix FN-2119 Ultra 120mm PWM Case Fan213$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-5811 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5345962 (accessed 2026-10-26).