Firmware update information for Barracuda Serial ATA drives with the 1 TB/disk platform. Check to see if your model is included.
New firmware version: CC4H
You can verify the proper firmware revision for your drive model and serial number using the Drive Detect software.
This update applies to the following models:
| Model Number | Part Number | Capacity | Firmware Downloads |
| ST3000DM001 | 9YN166 | 3 TB |  CC4H in .exe formatSee Document ID: 004559 for instructions on updating your firmware in Windows using this .exe file. CC4H in .iso formatSee Document ID: 004989 for instructions on updating your firmware in Windows using this .iso file. See Document ID: 004301 for instructions on updating your firmware in MacOS using this .iso file. |
| ST2500DM001 | 9YN16L | 2.5 TB | |
| ST2000DM001 | 9YN164 | 2 TB | |
| ST1000DM003 | 9YN162 | 1 TB |
Previous versions of firmware with these models and part numbers are CC46, CC47, CC49, CC4C or CC4G.
If the firmware upgrade installation instructions are not followed properly, the firmware upgrade could be data destructive and/or render your hard drive inoperable. As Seagate does not warrant the data on your drive, in addition to regular back-ups, your data should be backed up, if possible, before upgrading the drive firmware. Additional information on backing up the contents of your drive can be found at our Knowledge Base. Though this firmware upgrade to your product is a change to the product, the terms and conditions of your Seagate warranty for the product will remain effective to its normal expiration. For other warranties on your product, please consult the warranty documentation provided by your supplier.
