Hardware Spec Index

Zephyra FN-7831 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN7831-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index572 (Case Fans scale)
Category rank#41,068
Street price$19
Power4 W
Performance per dollar30.11
Released2022

Specifications

BrandZephyra
ModelZephyra FN-7831 Ultra
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-5367 Prime 140mm PWM ARGB Case Fan921$29Compare
Zephyra FN-6482 Ti 120mm PWM Case Fan222$9Compare
Zephyra FN-2624 Max 140mm PWM ARGB Case Fan1,003$29Compare
Corvane FN-5923 Pro 120mm PWM Case Fan640$19Compare
Brontix FN-3596 Ultra 120mm PWM Case Fan760$19Compare
Zephyra FN-6192 Max 120mm PWM ARGB Case Fan762$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-7831 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/30003613 (accessed 2026-10-20).