When a drive displays "Memory Bar" instead of its brand name (like Samsung, Sandisk, or Netac), the internal firmware has crashed or the hardware has suffered a critical failure. Common causes include:
The most effective way to "revive" these drives is to reflash the firmware using the SMI MPTool . SMI MPTool SM32X \ SM34X [SMI Mass Production Tool] sm3280aa memory bar full
The internal software that manages data (the "brain") has become scrambled. When a drive displays "Memory Bar" instead of
Broken solder joints or damaged pins on the controller chip. sm3280aa memory bar full