Table 2:

Drive specifications summary for the 1TB models

 

Drive specification

ST31000526SV

 

ST31000525SV

 

 

 

 

 

 

Formatted capacity (512 bytes/sector)*

1TB

 

 

1TB

 

 

 

 

 

Guaranteed sectors

1,953,525,168

 

1,953,525,168

 

 

 

 

 

 

 

Heads

 

4

 

 

4

 

 

 

 

 

 

 

 

Disks

 

2

 

 

2

 

 

 

 

 

 

 

Bytes per sector

512

 

 

512

 

 

 

 

 

 

 

Default sectors per track

63

 

 

63

 

 

 

 

 

 

 

Default read/write heads

16

 

 

16

 

 

 

 

 

 

 

Default cylinders

16,383

 

 

16,383

 

 

 

 

 

Recording density(max)

1474 kb/in

 

1474 kb/in

 

 

 

 

Track density (avg)

236 ktracks/in

 

236 ktracks/in

 

 

 

 

Areal density (avg)

345 Gb/in2

 

345 Gb/in2

Internal data transfer rate (max)

1628 Mb/s

 

1628 Mb/s

 

 

 

 

Sustained data transfer rate (max)

140 MB/s

 

140 MB/s

 

 

 

 

I/O data-transfer rate (max)

600 MB/s

 

300 MB/s

 

 

 

 

 

 

ATA data-transfer modes supported

 

 

PIO modes 0–4

 

 

 

 

Multiword DMA modes 0–2

 

 

 

 

Ultra DMA modes 0–6

Cache buffer

 

32MB

 

 

32MB

 

 

 

 

 

 

Height (max)

 

26.11mm (1.028 in)

 

26.11mm (1.028 in)

 

 

 

 

 

Width (max)

 

101.6mm (4.0 in)

 

101.85mm (4.010 in)

 

 

 

 

 

Length (max)

 

146.99mm (5.787 in)

 

146.99mm (5.787 in)

 

 

 

 

Weight (typical)

677g (1.493 lb)

 

677g (1.493 lb)

 

 

 

 

 

 

Power-on to ready(max)

<10s

 

 

<10s

 

 

 

 

 

 

Track-to-track seek time

<1.0ms

(typical read)

 

<1.0ms (typical read)

 

 

<1.2ms

(typical write)

 

<1.2ms (typical write)

 

 

 

 

 

 

Average seek, read (typical)

<12ms

 

 

<12ms

 

 

 

 

 

 

 

Average seek, write (typical)

<13ms

 

 

<13ms

 

 

 

 

 

 

 

Startup current (typical) 12V (peak)

2.0A

 

 

2.0A

 

 

 

 

 

 

Voltage tolerance (including noise)

5V ± 5%

 

 

5V ± 5%

 

 

12V ± 10%

 

12V ± 10%

Operating temperature (Drive Case)

0° to 70°C

 

0° to 70°C

 

 

 

 

Nonoperating temperature

–40° to 70°C

 

–40° to 70°C

(Drive Case)

 

 

 

 

 

 

 

 

 

 

Temperature gradient (max)

20°C per hour max (operating)

 

20°C per hour max (operating)

 

 

30°C per hour max (nonoperating)

 

30°C per hour max (nonoperating)

Relative humidity

5% to 90% (operating)

 

5% to 90% (operating)

 

 

5% to 95% (nonoperating)

 

5% to 95% (nonoperating)

 

 

 

 

Relative humidity gradient (max)

30% per hour

 

30% per hour

 

 

 

 

 

Wet bulb temperature (max)

37.7°C (operating)

 

37.7°C

(operating)

 

 

40.0°C (nonoperating)

 

40.0°C

(nonoperating)

Altitude, operating

–60.96m to 3,048m

 

–60.96m to 3,048m

 

 

(–200 ft. to 10,000+ ft.)

 

(–200 ft. to 10,000+ ft.)

 

 

 

 

Altitude, nonoperating

–60.96 m to 12,192 m

 

–60.96 m to 12,192 m

(below mean sea level, max)

(–200 ft. to 40,000+ ft.)

 

(–200 ft. to 40,000+ ft.)

 

 

 

 

Operational Shock (max)

63 Gs at 2ms

 

63 Gs at 2ms

 

 

 

 

Non-Operational Shock (max)

300 Gs at 2ms

 

300 Gs at 2ms

 

 

 

 

 

 

 

SV35 Series SATA Product Manual, Rev. D

5

Page 12 Page 14
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Image 13
Seagate ST2000VX002 Drive specifications summary for the 1TB models, Drive specification ST31000526SV ST31000525SV
Page 12 Page 14

ST3500411SV, ST31000526SV, ST2000VX002, ST31000525SV specifications

Seagate, a stalwart name in the data storage industry, offers a range of hard disk drives that cater to various needs and applications. Three notable models are the ST3250311SV, ST3500410SV, and ST31000525SV, each designed with unique characteristics and features suitable for diverse environments, from personal computing to enterprise storage solutions.

The ST3250311SV is a 250GB SATA drive that operates at 7200 RPM, providing a solid balance of performance and capacity. One of its main features is its 8MB cache, which enhances read and write speeds, making it suitable for high-demand applications like gaming and multimedia. The drive is also designed with Seagate's advanced data protection technologies, including an intelligent error recovery system that serves to minimize data loss and increase reliability during operation.

Next in line, the ST3500410SV offers a larger capacity of 500GB, making it an excellent choice for users who require more storage. Like its counterpart, it operates at 7200 RPM but is equipped with a 16MB cache for even better performance. The drive is built on Seagate's perpendicular recording technology, which increases storage density and improves data integrity. The ST3500410SV is particularly well-suited for server environments, where reliability and speed are critical. Its advanced power management features help reduce energy consumption, making it a more eco-friendly option for data centers.

Finally, the ST31000525SV provides an impressive 1TB of storage capacity, leveraging the same 7200 RPM speed and 32MB cache as its predecessors. This model exemplifies Seagate's focus on enhancing user experiences with greater storage and quicker access times, fulfilling the demands of both consumer and enterprise markets. With features like S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology), this drive helps users keep tabs on their drive's health and performance, anticipating potential failures and ensuring data security.

In summary, the Seagate ST3250311SV, ST3500410SV, and ST31000525SV drives showcase a range of capacities and features aimed at meeting the needs of today’s data-driven world. From gaming and personal use to demanding enterprise applications, these hard drives combine speed, reliability, and advanced technologies to deliver outstanding performance and data protection. Their robust design and efficient power management reinforce Seagate's commitment to innovation and sustainability in data storage solutions.
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