Seagate ST9402112A Laptop Hard Drives
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| Capacity: | 40GB |
| Speed: | 4.2K RPM |
| Interface Types: | IDE ATA 2.5in IDC44M for laptop |
| Form Factor: | 2.5" x 9mm Fits Most laptops |
| Electrical Interface: | EIDE Ultra ATA100 100MBps |
| RAM: | 8MB |
Description
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.
Specifications
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% | |
Acoustics | 2.9 bels | |
Weight: 1 lb
Warranty: 1 Year DiscTech
Condition
The product is brand new.
Warranty
1 Year DiscTech Warranty