
1.2About Momentus 7200 FDE.1 SATA disc drives
Momentus® 7200 FDE.1 SATA drives contain DriveTrust technology providing Full Disc Encryption (FDE) using proven Advanced Encryption Standard (AES) data encryption and decryption.
You can elect to use Momentus 7200 FDE.1 SATA drives in one of two different security modes:
1.The ATA Security mode
To operate in ATA Security mode, you only need a host system and operating system that supports the existing ATA Security Command Set. The drive is shipped to operating in this mode, ready to use.
2.The DriveTrust Security mode
To enable a robust
Refer to the table below to determine which mode is best for your particular solution.
Table 1: Security feature matrix
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| ATA Security mode | DriveTrust mode |
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| FDE drive operating in | |
| without ATA Security | FDE drive with ATA | DriveTrust mode via | |
Feature | enabled | ATA Security enabled | Security enabled | |
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Password required to unlock | No | Yes | Yes | Yes |
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Full Disk Encryption | No | No | Yes | Yes |
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At speed encryption | No | No | Yes | Yes |
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Passwords stored securely | No | Yes | Yes | Yes |
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Quick erase | No | No | Yes | Yes |
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Preboot authentication | No | No | No | Yes |
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Master/User passwords | No | No | No | Yes |
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FDE drive feature list
•Automatically encrypts (and decrypts) all data on the drive
•Operations are performed with no measurable performance loss
•All user data is encrypted on write operations and decrypted on read operations
FDE benefits
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•Drives that are stolen, taken out of service, or
•Near instantaneous disposal and
•Able to be deployed within a trusted computing environment
The drive encrypts every write operation and decrypts every read operation without user intervention. The encryption and decryption is done on the drive itself, so there is a
The purpose of full disc encryption on the drive is to protect the data stored on the drive in the event that the host system is lost or stolen. This data at rest protection assures the system owner that if their system is lost or stolen, their data will not be accessible without the correct credentials.
Note. The system reauthenticates the user on powerup and when awakening from sleep mode. It is not necessary to power down to ensure that the system reauthenticates the user.
2 | Momentus 7200 FDE.1 SATA Product Manual, Rev. A |