2.2Formatted capacity

 

Formatted

Guaranteed

 

Model

capacity

sectors

Bytes per sector

 

 

 

 

ST3160021A

160 Gbytes

312,581,808

512

ST3160023A

 

 

 

 

 

 

 

ST3120022A

120 Gbytes

234,441,648

512

ST3120026A

 

 

 

 

 

 

 

ST380011A

80 Gbytes

156,301,488

512

ST380013A

 

 

 

 

 

 

 

ST360014A

60 Gbytes

117,231,408

512

 

 

 

 

ST340014A

40 Gbytes

78,165,360

512

 

 

 

 

2.2.1LBA mode

When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1,where n is the number of guaranteed sectors as defined above.

See Section 4.1.2, "Identify Device command" (words 60-61 and 100-103) for additional information about 48- bit addressing support of drives with capacities over 137 Gbytes.

2.3Default logical geometry

Cylinders

Read/write heads

Sectors per track

 

 

 

16,383

16

63

 

 

 

2.4Physical organization

Model

Read/write heads

Number of discs

 

 

 

ST3160021A

4

2

ST3160023A

 

 

 

 

 

ST3120022A

3

2

ST3120026A

 

 

 

 

 

ST380011A

2

1

ST380013A

 

 

 

 

 

ST360014A

2

1

 

 

 

ST340014A

1

1

 

 

 

Barracuda 7200.7 Product Manual, Rev. E

5

Page 15
Image 15
Seagate ST380013A, 7200.7 Plus, ST3120022A Formatted capacity, Default logical geometry, Physical organization, LBA mode

ST360014A, 7200.7 Plus, ST3120026A, ST3120022A, ST380011A specifications

The Seagate ST380011A, ST3160021A, ST340014A, ST3120026A, and ST380013A are notable hard disk drives from Seagate’s extensive lineup, each designed for reliability and performance in various computing environments. With a blend of technologies and specifications, these drives cater to a variety of storage needs.

Starting with the ST380011A, this model features an 80 GB capacity and operates at a rotational speed of 7200 RPM. It utilizes the ATA-100 interface, ensuring efficient data transfer rates. The drive incorporates an advanced error correction technology and is designed for a low-latency performance, making it suitable for desktop applications and personal computing.

Next, the ST3160021A offers increased storage with a 160 GB capacity, also running at 7200 RPM and using the ATA-100 interface. Its additional storage capabilities make it ideal for users needing more space for multimedia files and software. The drive is equipped with a 2 MB cache, enhancing its read and write speeds, which is advantageous for intensive tasks such as gaming or video editing.

Moving on to the ST340014A, this model raises the bar with a 400 GB capacity while still maintaining the 7200 RPM speed. The drive employs a Serial ATA (SATA) interface, which facilitates quicker data transfer compared to its predecessors. The ST340014A’s large cache size of 8 MB provides better performance, especially during multitasking scenarios. This model is particularly well-suited for more demanding computing environments where larger data storage is crucial.

The ST3120026A is another key player in this lineup, featuring a 120 GB capacity and also utilizing the SATA interface. With up to 7200 RPM operational speed, this drive excels at providing quick access to data. Its reliability and performance make it an excellent choice for both personal and professional use.

Lastly, the ST380013A delivers an 80 GB capacity similar to the ST380011A but offers enhancements in data access speeds due to updated firmware features. This model is tailored for home and small office environments, where efficient data retrieval is essential.

In summary, these Seagate hard disk drives represent a mix of capacities and performance features, catering to a variety of user needs. With advancements in interface technologies, rotational speed, and data caching, they continue to underscore Seagate's position as a leader in the storage solutions market. Whether for basic computing or more intensive applications, these drives provide reliable options.