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Seagate Enterprise Capacity 3.5 HDD v5 SAS Product Manual, Rev. F 14

3.1 Standard features

Enterprise Capacity 3.5 HDD v5 drives have the following standard features:

• 3.0 / 6.0/12.0 Gb Serial Attached SCSI (SAS) interface

• 128 - deep task set (queue)

• Dedicated head load/unload zone

• 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 Save

• Programmable auto write and read reallocation

• Programmable logical block reallocation scheme

• Reallocation of defects on command (Post Format)

• SAS Power Disable

•Seagate RAID Rebuild

• Self diagnostics performed when power is applied to the drive

• Support for SAS expanders and fanout adapters

• Supports up to 32 initiators

• Tarnish-resistant components to help protect drive from environmental elements, increasing field reliability

• User-selectable logical block sizes for 4KN (4096, 4160 or 4224 bytes per logical block).

• User-selectable logical block sizes for 5xxE (512, 520 or 528 bytes per logical block).

• Vertical, horizontal, or top down mounting

Seagate Enterprise Capacity 3.5 HDD v5 SAS Self-Encrypting Drive models have the following additional features:

• 16 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

3.2 Media description

The media used on the drive has a aluminum substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for

improved durability and environmental protection.

3.3 Performance

• 1200MB/s maximum instantaneous data transfers.

• 7200 RPM spindle. Average latency = 4.16ms

• Adaptive seek velocity; improved seek performance

• Background processing of queue

• Programmable multi-segmentable cache buffer

• Supports start and stop commands (spindle stops spinning)

Note

There is no significant performance difference between Self-Encrypting

Drive and standard (non-Self-Encrypting Drive) models.