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2 Constellation.2 SAS Product Manual, Rev. H
2.0 Scope
This manual describes Seagate Technology
®
LLC, Constellation.2
TM
SAS (Serial Attached SCSI) disk drives.
Constellation.2 SAS drives support the SAS Protocol specifications to the extent described in this manual. The
SAS Interface Manual (part number 100293071) describes the general SAS characteristics of this and other
Seagate SAS drives. The Self-Encrypting Drive Reference Manual, part number 100515636, describes the
interface, general operation, and security features available on Self-Encrypting Drive models.
Product data communicated in this manual is specific only to the model numbers listed in this manual. The data
listed in this manual may not be predictive of future generation specifications or requirements. If you are
designing a system which will use one of the models listed or future generation products and need further
assistance, please contact your Field Applications Engineer (FAE) or our global support services group as
shown in Section 1.0.
Unless otherwise stated, the information in this manual applies to standard and Self-Encrypting Drive models.
Note. Previous generations of Seagate Self-Encrypting Drive models were called Full Disk Encryption
(FDE) models before a differentiation between drive-based encryption and other forms of encryp-
tion was necessary.
Note. The Self-Encrypting Drive models indicated on the cover of this product manual have provisions for
“Security of Data at Rest” based on the standards defined by the Trusted Computing Group (see
www.trustedcomputinggroup.org).
For more information on FIPS 140-2 Level 2 certification Section 8.0 on page 39.
Model Number Self-Encrypting Drive (SED) FIPS 140-2 Level 2
ST91000642SS Yes Yes
ST91000641SS Yes No
ST91000640SS No No
ST9500622SS Yes Yes
ST9500621SS Yes No
ST9500620SS No No