Manuals / Seagate / Computer Equipment / Computer Drive

Seagate ST3500414SS, ST31000425SS, ST31000424SS, ST31000426SS Standard features, Media description

Models: ST3500414SS ST3500415SS ST32000445SS ST31000425SS ST32000446SS ST32000444SS ST31000426SS ST3500416SS ST31000424SS

1 86
Download 86 pages 63.36 Kb
Page 15
Image 15

4.1Standard features

Constellation ES drives have the following standard features:

•Perpendicular recording technology

•1.5 / 3 / 6 Gb Serial Attached SCSI (SAS) interface

•Integrated dual port SAS controller supporting the SCSI protocol

•Support for SAS expanders and fanout adapters

•Firmware downloadable using the SAS interface

•128 - deep task set (queue)

•Supports up to 32 initiators

•Jumperless configuration.

•User-selectable logical block size (512, 520, 524 or 528 bytes per logical block).

•Industry standard 3.5-inch dimensions

•Programmable logical block reallocation scheme

•Flawed logical block reallocation at format time

•Programmable auto write and read reallocation

•Reallocation of defects on command (Post Format)

•ECC maximum burst correction length of 400 bits

•No preventive maintenance or adjustments required

•Embedded servo design

•Dedicated head load/unload zone

•Self diagnostics performed when power is applied to the drive

•Vertical, horizontal, or top down mounting

•16 Mbyte data buffer (see Section 5.5).

•Drive Self Test (DST)

•Background Media Scan (BMS)

•Idle Read After Write (IRAW)

•Power Save

Constellation® ES Series SAS 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

4.2Media 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.

Constellation ES Series SAS Product Manual, Rev. E

7

Page 14 Page 16
Page 15
Image 15
Seagate ST3500414SS, ST31000425SS, ST31000424SS, ST31000426SS, ST32000446SS, ST32000445SS Standard features, Media description
Page 14 Page 16

ST3500414SS, ST3500415SS, ST32000445SS, ST31000425SS, ST32000446SS specifications

Seagate, a leader in data storage solutions, has introduced a range of high-capacity and reliable hard drives designed for enterprise environments, including the Seagate ST31000424SS, ST3500416SS, ST31000426SS, ST32000444SS, and ST32000446SS. Each of these models is built with an emphasis on performance, endurance, and advanced data protection technologies, catering to mission-critical applications and data-intensive workloads.

The ST31000424SS is a 1TB drive designed for servers and data centers. It offers a 7,200 RPM spindle speed and a 6 Gb/s SATA interface, ensuring quick data access and transfer rates. With a 64MB cache buffer, the ST31000424SS provides enhanced read/write performance, making it suitable for applications that demand quick responses from the storage subsystem.

Similarly, the ST3500416SS is a high-capacity 500GB model, also spinning at 7,200 RPM with a 6 Gb/s SATA interface. This drive is ideal for mid-range servers and enterprise storage, providing an excellent balance of performance and capacity for users looking to optimize their storage efficiency while maintaining lower power consumption.

The ST31000426SS expands the capacity to 1TB while retaining the same reliability and performance characteristics as its counterparts. Its robust design ensures reliability in multi-drive environments, making it an appealing choice for virtualization and database applications, where performance is critical.

The ST32000444SS and ST32000446SS represent Seagate's commitment to higher capacities, with both offering 2TB of storage. They both feature 7,200 RPM speeds, 6 Gb/s SATA interfaces, and 64MB cache buffers, catering to high-demand environments such as cloud storage and data analytics. The drives also integrate advanced error recovery and data integrity features, ensuring the protection of sensitive data, which is vital for enterprise users.

Each model supports Seagate's PowerChoice technology, which optimizes power consumption without sacrificing performance, enhancing energy efficiency in modern data centers. With a broad range of capacities and performance levels, these Seagate drives provide scalable solutions tailored to meet the robust demands of today’s enterprise applications, ensuring reliability and performance for critical data operations.