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General description
3.1
Standard features
Exos X16 drives have the following standard features:
• 128 - deep task set (queue)
• 256MB data buffer
(See Section 4.4)
.
• 3.0 / 6.0/12.0 Gb Serial Attached SCSI (SAS) interface
• Drive Self Test (DST)
• Embedded servo design
• Firmware downloadable using the SAS interface
• Flawed logical block reallocation at format time
• Idle Read After Write (IRAW)
• Industry standard SFF 3.5-in dimensions
• Integrated dual port SAS controller supporting the SCSI protocol
• Jumperless configuration.
• No preventive maintenance or adjustments required
• Perpendicular recording technology
• Power Balance supported
(see Section 6.2 on page
29)
• Power Save
• Programmable auto write and read reallocation
• Programmable logical block reallocation scheme
• Reallocation of defects on command (Post Format)
• SAS Power Disable
• Self diagnostics performed when power is applied to the drive
• Support for SAS expanders and fanout adapters
• Supports up to 32 initiators
• User-selectable logical block sizes for 4096 native models (4096, 4160 or 4224 bytes per logical block)
• Vertical, horizontal, or top down mounting
Seagate Exos X16 SAS Self-Encrypting Drive models have the following additional features:
• 32 Independent data bands
• Authenticated firmware download
• Automatic data encryption/decryption
• Controlled access
• Cryptographic erase of user data for a drive that will be repurposed or scrapped
• Drive locking
• Random number generator
Seagate Exos X16 SAS Product Manual, Rev. A
15
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