The product even boasts an aseismatic design, which protects the installed hard drives from any impact damage.    From Wordnik.com.  [Softpedia News - Global] Reference

With high and low fan speed control switch and special aseismatic structure to decrease the resonant frequency of the fan.    From Wordnik.com.  [OCTools] Reference

N. - one without a shadow: applied to the inhabitants of the torrid zone, where the sun is vertical at noon for a few days every year aseismic adj. - free from earthquakes; designed to withstand earthquakes. aseismatic, adj. reducing or withstanding effect of earthquakes.    From Wordnik.com.  [xml's Blinklist.com] Reference