Hardware Spec Index

Zephyra FN-6978 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN6978-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,117 (Case Fans scale)
Category rank#29,311
Street price$39
Power4 W
Performance per dollar28.64
Released2022

Specifications

BrandZephyra
ModelZephyra FN-6978 Ultra
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-9744 SE 140mm PWM ARGB Case Fan1,400$49Compare
Caldera FN-1843 Core 140mm PWM ARGB Case Fan1,129$29Compare
Caldera FN-2383 Max 120mm PWM Case Fan726$29Compare
Caldera FN-5080 XT 140mm PWM ARGB Case Fan1,375$49Compare
Corvane FN-7655 Ti 140mm PWM ARGB Case Fan1,168$49Compare
Caldera FN-1614 Edge 140mm PWM Case Fan (3-Pack)657$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-6978 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/875701 (accessed 2026-10-19).