Hardware Spec Index

Zephyra FN-1804 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN1804-PRIME · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index456 (Case Fans scale)
Category rank#29,587
Street price$19
Power3 W
Performance per dollar24.00
Released2021

Specifications

BrandZephyra
ModelZephyra FN-1804 Prime
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-5299 Prime 140mm PWM Case Fan (3-Pack)291$9Compare
Corvane FN-8537 Plus 140mm PWM ARGB Case Fan1,260$49Compare
Teralux FN-3515 Ti 120mm PWM Case Fan (3-Pack)667$19Compare
Teralux FN-4577 Pro 140mm PWM Case Fan (3-Pack)786$19Compare
Teralux FN-5604 Core 120mm PWM ARGB Case Fan (3-Pack)873$29Compare
Teralux FN-5542 SE 140mm PWM ARGB Case Fan1,044$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-1804 Prime 140mm PWM Case Fan”, https://vextor7.com/item/2694052 (accessed 2026-10-23).