Seagate ST3500820AS, ST31000340AS, ST31000640AS, ST3750330AS

Drive specification	ST31000340AS	ST31000640AS	ST3750330AS	ST3750630AS

Vibration, operating	2–22 Hz: 0.25 Gs, Limited displacement
	22–350 Hz: 0.50 Gs
	350–500 Hz:: 0.25 Gs

Vibration, nonoperating	5–22 Hz: 2.0 Gs
	22–350 Hz: 5.0 Gs
	350–500 Hz:: 2.0 Gs

Drive acoustics, sound power
Idle**	2.9 bels (typical)
	3.1 bels (max)
Performance Seek	3.2 bels (typical)
	33 bels (max)
Quiet Seek	3.1 bels (typical)
	3.2 bels (max)
Nonrecoverable read errors	1 per 1014 bits read
Annualized Failure Rate (AFR)	0.34%

Warranty	5 years on distribution units.
	To determine the warranty for a specific drive, use a web browser to access the following
	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.

Contact start-stop cycles	50,000 at 25°C, 50% rel. humidity

Supports Hotplug operation per the	Yes
Serial ATA 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 power to operational levels.

Barracuda 7200.11 Serial ATA Product Manual, Rev. C

ST3500820AS, ST3500320AS, ST3500620AS, ST31000640AS, ST31000340AS specifications

Seagate has long been a prominent player in the hard drive industry, and its line of SATA drives, including the ST3640330AS, ST3750330AS, ST3750630AS, ST31000340AS, and ST31000640AS, showcases a blend of performance, reliability, and advanced technology. These drives cater to various user needs, from consumer desktops to enterprise applications.

The ST3640330AS and ST3750330AS models are designed with a 7200 RPM spinning speed, ensuring fast data throughput for gaming, multimedia, and everyday computing tasks. With a SATA interface and compatibility with the latest systems, these drives are ideal for users seeking efficient storage solutions. The ST3640330AS provides 640 GB of storage, while the ST3750330AS boasts a generous 750 GB capacity, offering ample space for large files and applications.

Moving to the ST3750630AS, this model continues the trend of high performance, offering 750 GB of storage but enhanced with Seagate’s advanced error-correcting technology. It also features an updated cache architecture that optimizes read and write speeds while minimizing latency. This drive is particularly beneficial for users who require reliable backups and quick access to data.

The ST31000340AS and ST31000640AS are both part of Seagate’s 1 TB series and are engineered for durability and longevity. The ST31000340AS features traditional SATA technology, providing users with a balance between cost and performance. On the other hand, the ST31000640AS integrates improved power management features that result in lower energy consumption without compromising performance. This makes it a suitable choice for environmentally-conscious consumers or businesses looking to reduce operational costs.

All models feature Seagate's proprietary technologies such as SoftSonic drives, which result in quieter operation, and advanced power management capabilities that extend the lifespan of the hard drives. They are equipped with robust error recovery and data security features, ensuring data integrity and protecting against data loss.

Overall, the Seagate ST3640330AS, ST3750330AS, ST3750630AS, ST31000340AS, and ST31000640AS drives represent a comprehensive range of storage solutions that combine capacity, speed, and cost-effectiveness, making them a popular choice for a variety of users, from casual consumers to demanding enterprise environments.