When searching for drives with this controller, always check the warranty. Since these are often OEM parts, buying from a reputable seller ensures you get the support you need if anything goes wrong.

First, let’s decode the name. The TC58NC6623SSS6698BA is primarily a manufactured by Toshiba (now Kioxia). It belongs to the highly popular "Toshiba 6698" family. You will typically find this controller paired with low-cost TLC (Triple-Level Cell) or MLC (Multi-Level Cell) NAND flash memory.

: For more advanced recovery, the SSS6690 USB Flash Sorting tool is sometimes used to verify the health of the underlying flash memory chips before attempting a firmware flash. Essential Repair Precautions

Standard Windows formatting often fails for firmware-level issues. You will need a specialized MP Tool:

Provide a step-by-step guide on how to identify the current firmware and flash a new one using an MPTool.