Hardware Spec Index

Zephyra FN-7681 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN7681-ULTRA · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index297 (Case Fans scale)
Category rank#3,694
Street price$9
Power4 W
Performance per dollar33.00
Released2026

Specifications

BrandZephyra
ModelZephyra FN-7681 Ultra
Size140 × 140 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-6162 Max 140mm PWM Case Fan (3-Pack)599$19Compare
Teralux FN-7338 Prime 120mm PWM Case Fan (3-Pack)755$19Compare
Corvane FN-8446 Ultra 120mm PWM Case Fan (3-Pack)328$9Compare
Zephyra FN-3094 XT 120mm PWM ARGB Case Fan (3-Pack)1,299$39Compare
Zephyra FN-5705 Max 120mm PWM ARGB Case Fan1,001$29Compare
Caldera FN-3446 XT 120mm PWM ARGB Case Fan1,137$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-7681 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/17606223 (accessed 2026-10-21).