Toshiba MK1251GSY DD-7109177-1 プリント

製品コード
DD-7109177-1
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MK1251GSY 
2.5-inch Free Fall Sensor Hard Disk Drive 
 
 
Toshiba’s new family of high performance drives delivers speeds of 7200rpm – the 
company's fastest HDD to date. The MK1251GSY has a much higher capacity 
combined with 33% performance improvement over its predecessor. The MK1251GSY 
also has the advantages of 300G of operating shock and 1000G of non-operating 
shock. Furthermore, the new drive incorporates Free Fall Sensor technology. This 
technology uses an embedded motion sensor to detect if the drive is in free fall. In such 
cases, the HDD quickly and immediately moves the read/write heads away from the 
spinning to prevent them damaging any data upon impact.  
 
The 120GB drive has been developed for high performance notebooks and desktop 
PCs but is also ideally suited for the burgeoning video-based consumer electronic 
applications such as Personal Video Recorders, IPTV set-top boxes and other recording 
systems. In these applications, MK1251GSY’s 16MB buffer memory and high speed 
spindle will ensure optimum performance during data intensive workloads such as video 
dropping. 
Data Storage Capacity: 
 
Per drive, Formatted 
120 GB 
Number of Platters 
Number of Heads 
Bytes/ Sector 
512 
Rotational Speed (rpm) 
7200 
 
 
Average Seek Time:
 
msec 
Track-to-Track 
Average 
Read 10.5 / Write 12 
Maximum 
18 
 
 
Interface: 
 
Type 
SATA 2.6 / ATA- 8 
Buffer (MB) 
16 
Data Transfer Rate: 
Max. 300MB/sec 
 
 
Nominal Power 
Requirements: 
 
Voltage (V); Supply 
+5V (5%) 
Sleep (Watts) 
0.13 
Standby (Watts) 
0.16 
Read (Watts) 
2.2 
Write (Watts) 
2.2 
Start-up (Watts) 
5.5 
 
Physical & Environmental Specifications Dimensions 
–mm: 
Height 
9.5 
Width 
69,85 
Depth 
100 
Weight 
114 g 
 
 
Ambient Temperature °C : 
 
 
 
Operating 
5°~55°  
Non-Operating 
-40°~60°  
 
 
Vibration and Shock: 
 
 
 
Operating Vibration 
1.0 G with 5-500Hz 
Operating Shock 
300 G 2 msec 
Non-Operating 
900 G 1msec 
 
 
Acoustic Noise (Random Seek) 
28 dBA  
 
 
Reliability Characteristics: 
 
 
 
MTTF 
600,000 hours 
 
 
 
 
 
Features MK1251GSY 
Applications: 
•  Notebook systems 
•  External storage 
•  Small Form Factor PCs 
•  Personal Video Recorder 
•  IPTV set-top boxes