disk health monitoring
CrystalDiskInfo Portable can run from a cloud folder, external drive, or local folder without installing into Windows. It's even better with the PortableApps.com Platform for easy installs and automatic updates.
CrystalDiskInfo is a HDD/SSD utility which supports S.M.A.R.T. It supports a part of external USB disks, monitoring health status and temperature, graph of S.M.A.R.T. information, control AAM/APM settings and more.