Seagate ST9402112A Laptop Hard Drive

Seagate Part #/MPN: ST9402112A

DiscTech Item #: SGT-ST9402112A-BN-OE-HPI


$59.00
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$59.00

Capacity: 40GB

Speed: 4,200RPM

Interface Types: IDE ATA 2.5in IDC44M for laptop

Form Factor: 2.5inx9mm Fits Most laptops

Sector Size: 512 / 512e

Electrical Interface: EIDE Ultra ATA100 100MBps

On-Board Cache: 8MB

Seagate Momentus 4200.2 40GB 4.2K 2.5" IDE ST9402112A Laptop Hard Drive - Brand New OEM

Designed for durability and low-power consumption, Seagate® Notebook Internal 2.5-inch Hard Drives deliver the highest performance and reliability to help you optimize your mobile lifestyle. Packaged in a convenient retail kit, the Notebook Internal 2.5-inch Hard Drive effortlessly handles all the demands of a mobile lifestyle.

Drive specification

ST9402112A

Formatted Gbytes (512 bytes/sector)*

40

Guaranteed sectors

78,140,160

Bytes per sector

512

Discs

1

Default read/write heads

2

AFR

0.73%

Recording density, BPI (bits/inch typical)

703,00

Track Density TPI (Tracks/inch typical)

115,000

Areal density (Mbits/sq. inch avg)

86

Spindle speed (RPM)

4,200

Interface

Ultra ATA/100

Sustained transfer rate OD (Mbytes/sec)

48.25

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

100

ATA data-transfer modes supported

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

Cache buffer

8 Mbytes

Height (max)

9.5mm (0.374 in)

Width (max)

69.85mm (2.750 in)

Length (max)

100.2mm (3.945 in)

Weight (max) grams

100

Average latency (msec)

5.6

Power-on to ready (typical)

3.5 sec

Standby to ready (typical)

3.0 sec

Track-to-track seek time (msec typical)

1.0 (read), 1.5 (write)

Startup current 5V (typical)

1.0 amps

Average seek time (msec typical)

12.5

Average seek, read (msec typical)

12.5

Average seek, write (msec typical)

14.5

Full-stroke seek (msec)

22

Seek Power

2.3 watts

 Read/write power (typical)

 2.3 watts

Standby mode

0.2 watts

Voltage tolerance (including noise)

5V ± 5%
12V ± 10%

Acoustics

2.9 bels

Weight: 1 lb

Warranty: 1 Year DiscTech

Brand New

Condition Levels Explained

The product is brand new.

1 Year DiscTech Warranty

Product Warranties Explained

The product has a DiscTech warranty for the time period specified. View our limited warranty