Kingston SSD Firmware Update

If you need to update the firmware on your Kingston KC300 or KC400 SSD, please follow these instructions.

Symptoms of out of date firmware: BSOD, SSD not detected, and SSD dropping out.
What are the symptoms of the drive? If you completely remove power for the PC will the drive detect? If so please update the firmware using the instructions below and the issue will be resolved

System Preparation :
• As a precaution, perform a backup of all your data to ensure no data is lost during the firmware update process
• Do not unplug power at any time during the firmware update
• Use only native SATA ports to perform upgrade. Do NOT use third party controllers
• Notebook users, please use AC power to prevent any power loss during firmware upgrade

Download firmware update from the link below.

This applies to the KC300 60GB, 120GB, 240GB, 480GB and the KC400 128GB, 256GB, 512GB, and 1TB.
If you have any questions or concerns please contact Bytespeed at, call in at 877-553-0777,  or join our live chat at