Seagate ST3250620AS, ST3120215AS, ST380815AS Drive specifications summary for the 120 Gbyte models

Page 26

Table 9:

Drive specifications summary for the 120 Gbyte models

 

 

 

 

 

 

Drive specification

ST3120815AS

 

ST3120215AS

 

 

 

 

Formatted capacity (512 bytes/sector)*

120 Gbytes

 

 

 

 

 

 

Guaranteed sectors

234,441,648

 

 

 

 

 

 

 

Heads

 

2

 

 

 

 

 

 

 

Discs

 

1

 

 

 

 

 

 

Bytes per sector

512

 

 

 

 

 

 

Default sectors per track

63

 

 

 

 

 

 

Default read/write heads

16

 

 

 

 

 

 

Default cylinders

16,383

 

 

 

 

 

 

Recording density

732 kbits/in avg

 

 

 

 

 

 

 

Track density

 

137.259 ktracks/in avg

 

 

 

 

 

 

 

Areal density

 

101 Gbits/in2 avg

 

 

Spindle speed

 

7,200 RPM

 

 

 

 

 

 

Internal data transfer rate

930 Mbits/sec max

 

 

 

 

 

 

Sustained data transfer rate OD (read)

78 Mbytes/sec max **

 

 

 

 

 

 

I/O data-transfer rate

300 Mbytes/sec max

 

 

 

 

 

 

ATA data-transfer modes supported

PIO modes 0–4

 

 

 

 

Multiword DMA modes 0–2

 

 

Ultra DMA modes 0–6

 

 

 

 

 

 

 

Cache buffer

 

8 Mbytes

 

2 Mbytes

 

 

 

 

Height (max)

 

19.99 mm (0.787 inches)

 

 

 

Width (max)

 

101.85 mm (4.010 inches)

 

 

 

Length (max)

 

146.99 mm (5.787 inches)

 

 

 

 

Weight (typical)

380 grams (0.838 lb.)

 

 

 

 

 

 

Average latency

4.16 msec

 

 

 

 

 

 

Power-on to ready

7.9 sec max

 

 

 

 

 

 

Standby to ready

7.9 sec max

 

 

 

 

 

Track-to-track seek time

<0.8 msec typical read;

<1.0 msec typical write

 

 

 

 

Average seek, read

<11 msec typical

 

 

 

 

 

 

Average seek, write

<12 msec typical

 

 

 

 

 

 

Startup current (typical) 12V (peak)

<2.0 amps

 

 

 

 

 

 

Voltage tolerance (including noise)

5V ± 5%

 

 

 

 

12V ± 10%

 

 

Ambient temperature

0° to 60°C (operating)

 

 

 

 

–40° to 75°C (nonoperating)

 

 

Temperature gradient

20°C per hour max (operating)

 

 

30°C per hour max (nonoperating)

 

 

 

 

Relative humidity

5% to 90% (operating)

 

 

 

 

5% to 95% (nonoperating)

Relative humidity gradient

30% per hour max

 

 

 

 

 

 

Wet bulb temperature

37.7°C max (operating)

 

 

 

 

40°C max (nonoperating)

 

 

 

 

Altitude, operating

–60.96 m to 3,048 m

 

 

 

 

(–200 ft. to 10,000+ ft.)

 

 

Altitude, nonoperating

–60.96 m to 12,192 m

 

 

(below mean sea level, max)

(–200 ft. to 40,000+ ft.)

 

 

 

 

 

 

Operational Shock

63 Gs max at 2 msec

 

 

 

 

 

 

Non-Operational Shock

350 Gs max at 2 msec

 

 

 

 

 

 

 

20

Barracuda 7200.10 Serial ATA Product Manual, Rev. K

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Page 25 Page 27
Contents Barracuda 7200.10 Serial ATA Evision history Revision Date Sheets affected or commentsContents Barracuda 7200.10 Serial ATA Product Manual, Rev. K List of Figures Page Introduction About the Serial ATA interface Drive specifications Specification summary tablesDrive specifications summary for 750 Gbyte models Barracuda 7200.10 Serial ATA Product Manual, Rev. K Drive specifications summary for 500 Gbyte models Barracuda 7200.10 Serial ATA Product Manual, Rev. K Drive specifications summary for 400 Gbyte models Barracuda 7200.10 Serial ATA Product Manual, Rev. K Drive specifications summary for 320 Gbyte models Barracuda 7200.10 Serial ATA Product Manual, Rev. K Drive specifications summary for 300 Gbyte models Barracuda 7200.10 Serial ATA Product Manual, Rev. K Drive specifications summary for 250 Gbyte models Barracuda 7200.10 Serial ATA Product Manual, Rev. K Drive specifications summary for the 200 Gbyte mode To access the following web Drive specifications summary for the 160 Gbyte models Barracuda 7200.10 Serial ATA Product Manual, Rev. K Drive specifications summary for the 120 Gbyte models Barracuda 7200.10 Serial ATA Product Manual, Rev. K Drive specifications summary for the 80 Gbyte models Barracuda 7200.10 Serial ATA Product Manual, Rev. K Drive specifications summary for the 40 Gbyte models Barracuda 7200.10 Serial ATA Product Manual, Rev. K Formatted capacity Default logical geometryLBA mode Cylinders Read/write heads Sectors per track 16,383Model capacity 160 120 Recording and interface technologyModel capacity 750 500 400 320 300 Physical characteristics Seek time Start/stop timesPower specifications Voltage tolerance Typical current profilesConducted noise Idle mode Power-management modesActive mode Sleep modeEnvironmental specifications Vibration Nonoperating shock 2 Disc models4 Disc models Operating vibrationTest for Prominent Discrete Tones PDTs AcousticsFluid Dynamic Bearing FDB motor acoustics Idle SeekTest Description Performance level Reference standard Electromagnetic immunityRadio frequency environments Agency certification Safety certificationReliability Electromagnetic compatibilityFCC verification Korean RRLAustralian C-Tick N176 China Restriction of Hazardous Substances RoHS Directive Environmental protectionCorrosive environment Barracuda 7200.10 Serial ATA Product Manual, Rev. K Configuring and mounting the drive Handling and static-discharge precautionsConfiguring the drive Serial ATA cables and connectorsDrive mounting Barracuda 7200.10 Serial ATA Product Manual, Rev. K Serial ATA Sata interface Hot-Plug compatibilitySignal Serial ATA device plug connector pin definitionsSerial ATA connector pin definitions Pin Function DefinitionCommand name Command code in hex Supported ATA commandsSupported ATA commands F4H Identify Device command Word Description ValueXx07H 100 Description if bit is set to Bit Word Bit WordSet Features command Set Features command valuesCode in features register A.R.T. command 3 S.M.A.R.T. commandsM.A.R.T. commands Presales Support Seagate Technology support servicesInternet Technical SupportData Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Index ITE Page Barracuda 7200.10 Serial ATA Product Manual, Rev. K Page Disc Drive, Scotts Valley, California 95066-4544, USA
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ST3200820AS, ST3300820AS, ST3300620AS, ST3500641ASRK, ST3400820AS specifications

The Seagate ST3250310AS and ST3250410AS are notable hard drives that belong to the Barracuda series, known for their value and performance in the consumer and business sectors. These drives, featuring SATA interface technology, are especially popular among users seeking reliable storage solutions for desktops and personal computers.

The ST3250310AS model comes with a storage capacity of 250 GB, while the ST3250410AS offers an increased capacity of 400 GB. Both models are designed with a standard 3.5-inch form factor, making them compatible with most PC enclosures. The drives are equipped with a 7200 RPM rotational speed, which provides enhanced data access times and improved overall performance compared to slower drives.

One of the key features of these devices is their utilization of the SATA 3.0 interface, allowing for data transfer rates of up to 3 Gbps. This interface enhances the drive's performance when paired with compatible motherboards and systems. Additionally, the drives are equipped with a 16 MB buffer, which assists in improving the efficiency of the read and write operations, particularly during tasks that require frequent data access.

Seagate's Advanced Format technology is another characteristic of the ST3250310AS and ST3250410AS. This technology uses larger sector sizes, which allows for more efficient storage of data, resulting in increased capacity and potentially improved reliability. Furthermore, the drives come with a mean time between failures (MTBF) rating of about 1,000,000 hours, signifying their robust build quality designed for durability in varied computing environments.

The hard drives also leverage Seagate's SmartAlign technology, facilitating the drive's operation with Advanced Format hard drives seamlessly. The drives are compatible with various operating systems and are particularly suited for applications requiring high data availability and fast retrieval, such as gaming and media storage.

In summary, the Seagate ST3250310AS and ST3250410AS hard drives are solid options for users looking for dependable, high-performance storage solutions. Their blend of reliability, speed, and efficiency makes them suitable for a variety of applications, from personal computing to small business use. With their combination of advanced technologies and user-friendly characteristics, these drives stand out as capable choices for enhancing computer storage capabilities.
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