Hardware Spec Index

Zephyra FN-5551 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN5551-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index1,096 (Case Fans scale)
Category rank#33,857
Street price$29
Power4 W
Performance per dollar37.79
Released2025

Specifications

BrandZephyra
ModelZephyra FN-5551 Ultra
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise29 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
Corvane FN-9381 Core 120mm PWM ARGB Case Fan (3-Pack)1,099$39Compare
Corvane FN-2133 Ti 140mm PWM ARGB Case Fan1,097$39Compare
Teralux FN-9015 Prime 120mm PWM Case Fan530$19Compare
Teralux FN-6411 SE 140mm PWM ARGB Case Fan (3-Pack)988$39Compare
Zephyra FN-8406 Ultra 120mm PWM Case Fan444$9Compare
Caldera FN-9737 Plus 140mm PWM Case Fan300$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-5551 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4666935 (accessed 2026-10-23).