Hardware Spec Index

Zephyra FN-9781 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN9781-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index643 (Case Fans scale)
Category rank#41,804
Street price$19
Power4 W
Performance per dollar33.84
Released2021

Specifications

BrandZephyra
ModelZephyra FN-9781 Ultra
Size120 × 120 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-5621 XT 120mm PWM ARGB Case Fan (3-Pack)1,343$49Compare
Teralux FN-3295 Edge 120mm PWM Case Fan (3-Pack)707$19Compare
Zephyra FN-6952 Edge 120mm PWM Case Fan465$19Compare
Caldera FN-3482 Pro 120mm PWM ARGB Case Fan (3-Pack)1,110$39Compare
Corvane FN-1300 Plus 120mm PWM Case Fan (3-Pack)516$19Compare
Caldera FN-2201 Ultra 140mm PWM Case Fan (3-Pack)517$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-9781 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/6920515 (accessed 2026-10-24).