Table 4:

Specifications for 30 Gbyte models

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Drive specification

 

ST930817AM

 

ST930818AM

 

ST930817SM

 

ST930818SM

 

(Extreme)

 

(Rugged)

 

(Extreme)

 

(Rugged)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Formatted (512 bytes/sector)*

 

30 Gbytes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Guaranteed sectors

 

58,605,120

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Interface

 

 

PATA

 

 

SATA

 

 

 

 

 

 

 

 

 

 

Bytes per sector

 

512

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Physical read/write heads

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Discs

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cache

 

 

8 Mbytes

 

 

 

 

 

 

 

 

 

 

 

Recording density, BPI

 

840k bits/inch (typical)

 

 

 

 

 

 

 

 

 

Track density. TPI

 

150k tracks/inch (typical)

 

 

 

 

 

 

 

 

 

 

Areal density

 

 

126 Gbits/inch2 (typical)

 

 

 

Spindle speed

 

 

5,400 RPM

 

 

 

 

 

 

 

 

 

 

 

 

 

Internal data transfer rate

 

450 Mbits/sec max

 

 

 

 

 

 

 

 

 

 

 

 

 

I/O data transfer rate

 

100 Mbytes/sec

 

 

Up to 3 Gbits/sec

 

 

 

 

 

 

 

 

Sustained throughput, typical (nominal operating conditions)

 

45 Mbytes/sec maximum

 

 

 

 

 

 

ATA data-transfer modes supported

 

PIO modes 0–4; Multiword DMA modes 0–2; Ultra DMA modes 0–5

 

 

 

 

 

 

 

Height

 

 

9.5 +/-0.2 mm (0.374 +/-.008 inches)

 

 

 

 

 

 

 

 

Width

 

 

69.85 +/-0.25 mm (2.750 +/-0.010 inches)

 

 

 

 

 

 

 

 

 

 

Length

 

 

100.2 +/-0.25 mm

 

 

100.5 +/- 1.58 mm

 

 

 

(3.945 +/-0.010 inches)

 

(3.957 +/- 0.062 inches)

 

 

 

 

 

 

 

 

 

 

 

 

Weight

 

 

102 grams (0.22 lb) (maximum)

 

 

 

 

 

 

 

 

 

 

 

Average latency

 

5.6 msec

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power-on to ready

 

 

 

 

 

 

 

 

-20 to 85°C for extreme models (75°C for rugged models)

 

3.0 seconds (typical), 5 seconds (max)

 

-30 to -20°C (extreme models only)

 

12 seconds (typical)

 

 

 

3 sigma maximum at extreme cold temperature

 

<30 seconds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Standby to ready

 

 

 

 

 

 

 

 

-20 to 85°C for extreme models (75°C for rugged models)

 

3.0 seconds (typical), 5 seconds (max)

 

-30 to -20°C (extreme models only)

 

12 seconds (typical)

 

 

 

3 sigma maximum at extreme cold temperature

 

<30 seconds

 

 

 

 

 

 

 

 

 

Track-to-track seek time

 

1.0 msec (read, typical), 1.5 msec (write, typical)

 

 

 

 

 

 

 

Average seek time (random)

 

12.5 msec (typical), 14 msec (max)

 

 

 

 

 

 

 

 

 

Average seek, read (random)

 

13 msec (typical), 14 msec (max)

 

 

 

 

 

 

 

 

 

Average seek, write (random)

 

14 msec (typical), 15 msec (max)

 

 

 

 

 

 

 

 

 

Full-stroke seek

 

23 msec (typical); 24 msec (max)

 

 

 

 

 

 

 

 

 

 

 

Startup current 5V

 

1.30 amps (typical)

 

 

1.30 amps (typical)

 

1.55 amps (max)

 

 

1.55 amps (max)

 

 

 

 

 

 

 

 

 

 

 

 

Seek power at 25°C

 

1.65 watts / 0.33 amps (typical)

 

2.45 watts / 0.49 amps

 

 

 

 

 

Read power at 25°C

 

1.40 watts / 0.28 amps (typical)

 

3.00 watts / 0.60 amps (typical)

 

 

 

 

 

Write power at 25°C

 

1.50 watts / 0.30 amps (typical)

 

2.30 watts / 0.46 amps (typical)

 

 

 

 

 

Idle mode (active idle at 25°C)

 

1.65 watts / 0.33 amps (typical)

 

2.35 watts / 0.47 amps (typical)

 

 

 

 

 

Standby mode at 25°C

 

0.26 watts / 0.05 amps (typical)***

 

1.10 watts / 0.22 amps (typical)***

 

 

 

 

 

Sleep mode at 25°C

 

0.26 watts / 0.05 amps (typical)***

 

1.10 watts / 0.22 amps (typical)***

 

 

 

 

 

 

 

 

Voltage tolerance (including noise)

 

5V ± 5%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ambient temperature

 

-30° to 85°C (Extreme); -20° to 75°C (Rugged);

 

Operating

 

 

 

Nonoperating

 

–40° to 95°C (Extreme and Rugged)

 

 

 

10

EE25.2 Series Product Manual, Rev. E

Page 15 Page 17
Page 16
Image 16
Seagate ST980817SM, ST980818AM, ST980818SM, ST980817AM, ST960817AM, ST960818SM, ST960818AM Specifications for 30 Gbyte models
Page 15 Page 17

ST940817SM, ST940818SM, ST960817SM, ST930817AM, ST960818AM specifications

Seagate has consistently been a leader in the field of data storage solutions, and their lineup of hard disk drives caters to a variety of needs. Among these, the ST980818SM, ST940817AM, ST940817SM, ST940818AM, and ST960817AM models stand out for their performance, reliability, and innovative technologies.

The ST980818SM is a 2.5-inch, 7200 RPM hard drive that offers a storage capacity of 80 GB, making it ideal for both personal and professional use. It features an SATA interface, providing high-speed data transfer rates that facilitate quick access to stored content. The drive also incorporates Seagate's advanced error correction technology, which enhances data integrity and longevity.

On the other hand, the ST940817AM and ST940817SM models are designed for mobile computing environments, providing a capacity of 40 GB each. These drives are notable for their low power consumption, which helps extend battery life in laptops and portable devices. They also utilize Seagate’s QuietStep positioning technology, reducing seek noise and promoting a quieter operation.

The ST940818AM offers a slightly larger capacity of 80 GB while retaining the same energy efficiency and sound-dampening features as its ST940817 counterparts. This drive is particularly suitable for consumers looking for a balance between performance and noise reduction, especially in environments where quiet is a priority.

Lastly, the ST960817AM distinguishes itself with a capacity of 60 GB and a 5400 RPM speed, making it a more economical option without sacrificing reliability. This model is suitable for users who need adequate storage for applications and media but are conscious of budget constraints.

All these drives incorporate Seagate's proprietary technology, ensuring robust performance across various applications. These include optimizations for thermal management, enhancing durability and reliability even under intensive usage.

With their various capacities and features, Seagate's ST980818SM, ST940817AM, ST940817SM, ST940818AM, and ST960817AM hard drives offer flexible solutions for users ranging from casual home use to demanding professional environments. Whether the requirement is for storage efficiency, noise reduction, or reliability, Seagate's drives deliver exceptional value and performance tailored to diverse data storage needs.
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