Seagate ST500NM0001, ST1000NM0001, ST1000NM0021, ST1000NM0041 Interface requirements, SAS features

Models: ST2000NM0001 ST1000NM0041 ST500NM0001 ST2000NM0021 ST1000NM0021 ST1000NM0001 ST500NM0041 ST500NM0021 ST2000NM0041

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12.0Interface requirements

This section partially describes the interface requirements as implemented on Constellation ES.1 drives. Addi- tional information is provided in the SAS Interface Manual (part number 100293071).

12.1SAS features

This section lists the SAS-specific features supported by Constellation ES.1 drives.

12.1.1task management functions

Table 6 lists the SAS task management functions supported.

Table 6:

SAS task management functions supported

 

 

 

 

Task name

 

Supported

 

 

 

 

Abort Task

 

Yes

 

 

 

 

Clear ACA

 

Yes

 

 

 

Clear task set

Yes

 

 

 

Abort task set

Yes

 

 

 

Logical Unit Reset

Yes

 

 

 

 

Query Task

 

Yes

 

 

 

 

12.1.2task management responses

Table 7 lists the SAS response codes returned for task management functions supported.

Table 7:

Task management response codes

 

 

Function name

Response code

 

 

Function complete

00

 

 

 

Invalid frame

 

02

 

 

Function not supported

04

 

 

Function failed

05

 

 

Function succeeded

08

 

 

Invalid logical unit

09

 

 

 

54

Constellation ES.1 SAS Product Manual, Rev. E

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Seagate ST500NM0001, ST1000NM0001, ST1000NM0021, ST1000NM0041, ST2000NM0041, ST2000NM0021 Interface requirements, SAS features

ST2000NM0001, ST1000NM0041, ST500NM0001, ST2000NM0021, ST1000NM0021 specifications

Seagate is a renowned leader in data storage solutions, offering a wide array of hard disk drives (HDDs) suitable for various applications. Among their product lineup, the Seagate ST2000NM0041, ST500NM0021, ST500NM0041, ST1000NM0001, and ST1000NM0021 stand out as reliable options tailored for enterprise environments and general storage needs.

The Seagate ST2000NM0041 is a 2TB 7200 RPM drive designed for high-performance workloads in data centers. One of its key features is the use of the SATA III interface, providing data transfer speeds of up to 6 Gbps, ensuring quick access to data. This model supports advanced error recovery controls and features enhanced power management capabilities, which contribute to its reliable performance and energy efficiency.

Next, the ST500NM0021 and ST500NM0041 are both 500GB drives that cater to different consumer needs. The ST500NM0021 is a 5400 RPM drive, typically used in scenarios where lower power consumption is vital, such as in compact systems or external storage configurations. Its efficient design enables quieter operation, making it ideal for environments that require minimal noise. Conversely, the ST500NM0041 operates at a speed of 7200 RPM, making it suitable for more demanding applications that require swift read and write speeds. Both models utilize Serial ATA for connectivity, ensuring compatibility with a wide range of systems.

The ST1000NM0001 and ST1000NM0021 are 1TB drives that provide versatility across different platforms. Similar to their 500GB counterparts, the ST1000NM0001 features a 7200 RPM speed, optimizing performance for applications requiring faster data processing. In contrast, the ST1000NM0021 operates at 5400 RPM, designed for users prioritizing energy efficiency over speed, like in desktop and external storage solutions. Each of these drives supports advanced technologies such as Native Command Queuing (NCQ), which enhances performance by allowing multiple commands to be executed simultaneously.

Overall, the Seagate ST series hard drives offer flexible storage options for a variety of applications. With their robust features, including varied RPM speeds, power management, and compatibility with SATA connections, these drives cater to the needs of both consumer and enterprise markets, establishing Seagate as a trusted provider in the storage arena.