Hardware Spec Index

Zephyra FN-1684 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN1684-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index399 (Case Fans scale)
Category rank#34,487
Street price$9
Power3 W
Performance per dollar44.33
Released2020

Specifications

BrandZephyra
ModelZephyra FN-1684 Ultra
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-3626 Max 140mm PWM ARGB Case Fan (3-Pack)1,143$39Compare
Corvane FN-1418 XT 120mm PWM ARGB Case Fan968$29Compare
Brontix FN-9073 XT 120mm PWM ARGB Case Fan1,130$39Compare
Corvane FN-1246 Pro 120mm PWM ARGB Case Fan1,256$49Compare
Corvane FN-9902 Prime 120mm PWM Case Fan696$19Compare
Caldera FN-8359 Ultra 140mm PWM Case Fan238$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-1684 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/33706762 (accessed 2026-10-25).