2.2Formatted capacity

 

Formatted

Guaranteed

 

Model

capacity*

sectors

Bytes per sector

 

 

 

 

ST3500321CS

500 Gbytes

976,773,168

512

ST3500422CS

 

 

 

ST3320310CS

320 Gbytes

625,142,448

512

ST3320410CS

 

 

 

ST3160310CS

160 Gbytes

312,581,808

512

 

 

 

 

*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 the drive 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 the drive 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.

2.4Recording and interface technology

 

500 GB models

320 and 160 GB model

 

 

 

Interface

Serial ATA (SATA)

 

 

 

 

Recording method

Perpendicular

 

 

 

 

Recording density (kbits/inch max)

1,020 kbits/in max

1,242 kbits/in max

 

 

 

Track density (ktracks/inch avg)

173 ktracks/in avg

 

 

 

 

 

Areal density (Gbits/inch2 avg)

176

Gbits/in2 avg

215 Gbits/in2 avg

Internal data transfer rate (Mbits/sec max)

980

Mbits/sec max

1,201 Mbits/sec max

 

 

 

 

Sustained data transfer rate (Mbytes/sec max)

90

 

 

 

 

 

 

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

300

 

 

 

 

 

 

8

Pipeline HD Series SATA Product Manual, Rev. C

Page 14
Image 14
Seagate ST3500321CS manual Formatted capacity, Default logical geometry, Recording and interface technology, LBA mode

ST3320310CS, ST3500321CS, ST3320410CS, ST3160310CS, ST3500422CS specifications

Seagate has long been recognized as a leader in data storage solutions, and their range of hard drives continues to reflect innovation and reliability. Among the notable SATA drives are the Seagate ST3500422CS, ST3160310CS, ST3320410CS, ST3500321CS, and ST3320310CS models, all designed for various consumer and enterprise applications.

The ST3500422CS operates at a capacity of 500GB, combining high performance with energy efficiency. With a spindle speed of 7200 RPM and a 32MB cache, it ensures rapid data access and transfer rates, making it suitable for multimedia storage and gaming applications. This drive incorporates Seagate’s Instant Secure Erase technology, which allows users to securely wipe their data quickly, ensuring privacy and data protection.

Next, the ST3160310CS model offers a storage capacity of 160GB, ideal for smaller applications requiring faster access times. Also spinning at 7200 RPM, it features a similar 8MB cache, ensuring good performance for everyday computing needs. Its compact design makes it suitable for both desktop systems and where space is at a premium.

The ST3320410CS is designed for larger capacity requirements, providing up to 320GB of storage space. This drive features enhanced data integrity with a 16MB cache and a consistent performance level that makes it suitable for both personal computing and lightweight server applications. Its Balancing Act technology optimizes the drive's performance across multiple workloads, extending its lifespan.

The ST3500321CS provides users with 500GB of storage, similar to the ST3500422CS but with a focus on data reliability. Featuring advanced error correction technologies, it diminishes the chance of data loss, making it a great choice for critical applications requiring consistent reliability.

Finally, the ST3320310CS model holds 320GB of storage capacity and shares many characteristics with its counterparts, such as the 7200 RPM speed and strong error correction mechanisms. The drive also utilizes Seagate's Thermal Fly-Height Control technology, which further enhances reliability by adjusting the read/write heads according to the drive's operational temperature.

Overall, these drives exemplify Seagate's commitment to performance, efficiency, and data protection across their various storage solutions. With a range of capacities and features, they cater to diverse user needs while ensuring reliability and speed in data access.