The IXA-GM4 is engineered to reduce both vibration deriving from your hard drive and also serves to protect your drive from shock. The grommets are formulated with proprietary molding materials which feature ideal dampening properties to reduce low frequency resonance emitted from your drive and also serves to quickly return the drive to system equilibrium after external shock input. Comes in a pack of four (4), simply replace your current hard drive screws with these.

SilenX IXA-GM4 4 Pack HDD Grommets