Seagate ST9320322AS, ST9160312AS, ST9120312AS specification

Table 2:	Drive specifications

Drive specification		ST9320322AS	ST9160312AS	ST9120312AS

Idle mode, low power (typical)		0.7 watts

Standby mode		0.24 watts (typical)***

Sleep mode		0.24 watts (typical)***

Voltage tolerance (including noise)		+5V ± 5%

Ambient temperature		0° to 60°C (operating), –40° to 70°C (nonoperating)

Temperature gradient (°C per hour max)		20°C (operating)
		35°C (nonoperating)

Relative humidity		5% to 95% (operating)
		5% to 95% (nonoperating)

Relative humidity gradient		30% per hour max

Wet bulb temperature (max)		37.7°C (operating)
		40°C (nonoperating)

Altitude, operating		–60.96 m to 3,048 m (–200 ft to 10,000+ ft)

Altitude, nonoperating		–304.8 m to 12,192 m (–1000 ft to 40,000+ ft)
(meters below mean sea level, max)

Shock, operating		350
(Gs max at 2 msec)

Shock, nonoperating		800
(Gs max at 2 msec)

Shock, nonoperating		1,000
(Gs max at 1 msec)

Shock, nonoperating		600
(Gs max at 0.5 msec)

Vibration, operating		1.0 G (0 to peak, 5–500 Hz)

Vibration, nonoperating		5 Gs (0 to peak, 5–500 Hz)

Drive acoustics, sound power (bels)
Idle**		2.3 (typical)
		2.5 (max)

Performance seek		2.6 (typical)
		2.7 (max)

Nonrecoverable read errors		1 per 1014 bits read
Annualized Failure Rate (AFR)		<0.48%

Load/Unload (U/UL) cycles
25°C, 50% relative humidity		600,000 software-controlled power on/off cycles
		20,000 hard power on/off cycles
32°C, 80% relative humidity		600,000 software-controlled power on/off cycles
5°C, 80% relative humidity		20,000 hard power on/off cycles
5°C, 10% relative humidity
55°C, 16% relative humidity

Warranty		5 years on distribution units.
		To determine the warranty for a specific drive, use a web browser to access the follow-
		ing web page:
		www.seagate.com/support/service/
		From this page, click on the “Verify Your Warranty” link. You will be asked to provide
		the drive serial number, model number (or part number) and country of purchase. The
		system will display the warranty information for your drive.

Supports Hotplug operation per Serial ATA		Yes (requires COMPRESET from host after a hotplug event)
Revision 2.5 specification

*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.

**During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and

6	Momentus 5400 FDE.3 SATA Product Manual, Rev. A

ST9120312AS, ST9160312AS, ST9320322AS specifications

The Seagate ST9320322AS, ST9160312AS, and ST9120312AS are hard disk drives (HDDs) designed for reliable storage solutions in various computing environments. These drives belong to the Barracuda line, known for their high performance and robust features.

The ST9320322AS is a 320GB, 2.5-inch SATA hard drive that operates at a speed of 7200 RPM. It has a 16MB cache buffer, enhancing data access speeds and allowing for efficient multi-tasking. This drive is particularly suitable for laptops, external drives, and other applications requiring high-capacity storage paired with portability. Its low power consumption makes it an ideal choice for mobile systems, contributing to longer battery life.

On the other hand, the ST9160312AS is a 160GB version, also a 2.5-inch SATA HDD running at 7200 RPM. Like the ST9320322AS, it features a 16MB cache, which optimizes performance for everyday computing tasks. This model is often utilized in gaming consoles and entry-level laptops, offering a balance of performance and affordability. With a height of only 9.5mm, it is designed to fit in ultrathin laptops while providing ample storage space for user data, applications, and multimedia files.

The ST9120312AS further reduces storage capacity to 120GB, while maintaining the same rotational speed of 7200 RPM. This HDD is designed for users looking for reliable, cost-effective storage solutions without compromising on performance. Like its counterparts, it features a 16MB cache and operates efficiently, making it suitable for applications that require moderate data storage, such as basic computing tasks and media storage.

All three models leverage Seagate’s advanced recording technology, which enhances data integrity and reliability. They also incorporate sophisticated error recovery tools that help prevent data loss, ensuring longevity and durability under various operating conditions. These drives support the SATA interface, which provides high-speed data transfer rates, making them compatible with a wide range of computing devices.

In conclusion, the Seagate ST9320322AS, ST9160312AS, and ST9120312AS hard drives represent a strong selection for users in need of reliable, efficient, and compact storage solutions. With their combination of high performance, energy efficiency, and advanced technologies, they continue to serve a vital role in modern computing architectures.

Seagate ST9320322AS, ST9160312AS manual System will display the warranty information for your drive

Models: ST9120312AS ST9160312AS ST9320322AS

Drive specification

system will display the warranty information for your drive.

Momentus 5400 FDE.3 SATA Product Manual, Rev. A

ST9120312AS, ST9160312AS, ST9320322AS specifications