2.0Drive specifications

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate ST3160021A, ST3160023A, ST3120022A, ST3120026A, ST380011A, ST380013A, ST360014A, and ST340014A model drives.

2.1Specification summary table

The specifications listed in this table are for quick reference. For details on specification measurement or defi- nition, see the appropriate section of this manual.

 

ST3160021A

 

ST3120022A

ST380011A

 

 

Drive specification

ST3160023A

 

ST3120026A

ST380013A

ST360014A

ST340014A

 

 

 

 

 

 

 

Formatted Gbytes (512 bytes/sector)

160

 

120

80

60

40

 

 

 

 

 

 

 

Guaranteed sectors

312,581,808

 

234,441,648

156,301,488

117,231,408

78,165,360

 

 

 

 

 

 

 

Bytes per sector

512

 

 

 

 

 

 

 

 

 

 

 

 

Default sectors per track

63

 

 

 

 

 

 

 

 

 

 

 

 

Default read/write heads

16

 

 

 

 

 

 

 

 

 

 

 

 

Default cylinders

16,383

 

 

 

 

 

 

 

 

 

 

 

 

Physical read/write heads

4

 

3

2

2

1

 

 

 

 

 

 

 

Discs

2

 

2

1

1

1

 

 

 

 

 

 

 

Recording density, BPI (bits/inch max)

595,000

 

 

 

 

 

 

 

 

 

 

 

 

Track density, TPI (tracks/inch max)

94,600

 

 

 

 

 

 

 

 

 

 

 

 

Areal density, (Mbits/inch2 max)

56.3

 

 

 

 

 

Spindle speed (RPM)

7,200

 

 

 

 

 

 

 

 

 

 

 

 

Internal data transfer rate OD

85.4

 

 

 

 

 

(Mbytes/sec max)

 

 

 

 

 

 

 

 

 

 

 

 

 

Sustained data transfer rate OD

58

 

 

 

 

 

(Mbytes/sec)

 

 

 

 

 

 

 

 

 

 

 

 

 

I/O data-transfer rate (Mbytes/sec max)

100

 

 

 

 

 

 

 

 

 

 

 

ATA data-transfer modes supported

PIO modes 0–4

 

 

 

 

 

Multiword DMA modes 0–2

 

 

 

 

Ultra DMA modes 0–5

 

 

 

 

 

 

 

 

 

 

Cache buffer

 

 

 

 

 

 

ST3160021A, ST3120022A, ST380011A,

2 Mbytes (2,048 kbytes)

 

 

 

ST360014A, and ST340014A

 

 

 

 

 

 

 

8 Mbytes (8,192 kbytes)

 

 

 

ST3160023A, ST3120026A, and

 

 

 

 

 

 

ST380013A

 

 

 

 

 

 

 

 

 

 

 

Height (mm max)

26.035 mm (1.028 inches)

 

 

 

 

 

 

 

 

Width (mm max)

101.6 mm (4.000 inches)

 

 

 

 

 

 

 

 

Length (mm max)

146.99 mm (5.787 inches)

 

 

 

 

 

 

 

 

 

Weight (typical)

635 grams (1.4 lb)

 

 

 

 

 

 

 

 

 

 

 

Barracuda 7200.7 Product Manual, Rev. E

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Seagate ST3160021A, 7200.7 Plus, ST3120022A, ST3120026A, ST3160023A manual Drive specifications, Specification summary table
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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.
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