Hardware Spec Index

Zephyra FN-3688 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3688-PRIME · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index341 (Case Fans scale)
Category rank#15,429
Street price$9
Power4 W
Performance per dollar37.89
Released2019

Specifications

BrandZephyra
ModelZephyra FN-3688 Prime
Size140 × 140 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-6057 Core 120mm PWM Case Fan536$19Compare
Corvane FN-4677 Prime 120mm PWM ARGB Case Fan1,224$49Compare
Zephyra FN-5128 XT 140mm PWM ARGB Case Fan1,107$29Compare
Caldera FN-3300 Pro 120mm PWM ARGB Case Fan1,294$49Compare
Corvane FN-5541 Edge 140mm PWM Case Fan (3-Pack)657$19Compare
Corvane FN-8047 Max 120mm PWM Case Fan (3-Pack)406$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3688 Prime 140mm PWM Case Fan”, https://vextor7.com/item/93037593 (accessed 2026-10-22).