Seagate ST1000NX0373 ユーザーズマニュアル

ページ / 56
Seagate Enterprise Capacity 2.5 HDD v3 SAS Product Manual, Rev. D
  11
  
• Background Media Scan (BMS)
• Idle Read After Write (IRAW)
• Power Save
• SAS Power Disable
• Power Choice
• RAID Rebuild™
Self-Encrypting Drive models have the following additional features:
• Automatic data encryption/decryption
Controlled access
Random number generator
Drive locking
16 independent data bands
Cryptographic erase of user data for a drive that will be repurposed or scrapped
• Authenticated firmware download
3.2
Media description
The media used on the drive has an glass substrate coated with a thin film magnetic material, overcoated with a proprietary protective 
layer for improved durability and environmental protection.
3.3
Performance
Firmware-controlled multisegmented cache designed to dynamically adjust segments for enhanced system performance
1200MB/s maximum instantaneous data transfers.
7200RPM spindle.
Average latency = 4.167ms
Background processing of queue
Supports start and stop commands (spindle stops spinning)
Adaptive seek velocity; improved seek performance
Note
There is no significant performance difference between Self-Encrypting 
Drive and standard (non-Self-Encrypting Drive) models.
3.4
Reliability
• Annualized Failure Rate (AFR) of 0.44%
Mean Time Between Failures (MTBF) of 2,000,000 hours
Balanced low mass rotary voice coil actuator
Incorporates industry-standard Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.)
5-year warranty