2.2Formatted capacity

Model

Formatted

Guaranteed

Bytes per sector

capacity*

sectors

 

 

 

 

 

 

ST3750640AS

750 Gbytes

1,465,149,168

512

ST3750840AS

 

 

 

ST3500630AS

500 Gbytes

976,773,168

512

ST3500830AS

 

 

 

ST3400620AS

400 Gbytes

781,422,768

512

ST3400820AS

 

 

 

ST3320620AS

320 Gbytes

625,142,448

512

ST3320820AS

 

 

 

ST3300620AS

300 Gbytes

586,072,368

512

ST3300820AS

 

 

 

ST3250620AS

 

 

 

ST3250820AS

250 Gbytes

488,397,168

512

ST3250410AS

 

 

 

ST3250310AS

 

 

 

 

 

 

 

ST3200820AS

200 Gbytes

390,721,968

512

 

 

 

 

ST3160815AS

160 Gbytes

312,581,808

512

ST3160310AS

ST3160215AS

 

 

 

ST3120815AS

120 Gbytes

234,441,648

512

ST3120215AS

 

 

 

ST380815AS

80 Gbytes

156,301,488

512

ST380215AS

 

 

 

ST340815AS

40 Gbytes

78,165,360

512

ST340215AS

 

 

 

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

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 4.3.1, "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

 

 

 

LBA 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.

26

Barracuda 7200.10 Serial ATA Product Manual, Rev. K

Page 32
Image 32
Seagate ST3300820AS, ST3120215AS, ST3120815AS, ST3160815AS, ST380815AS Formatted capacity, Default logical geometry, LBA mode

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.