FEATURES
Drive Family :-Barracuda 7200.10
Capacity :-320 GB
Spindle speed :-7200
Buffer size :- 16MB
Average latency :- 4.16 ms
Average seek time (Read) :-8.5 ms
Number of platters / heads :- 2/ 4
Shock resistance
Operating Shock (Read). 2 ms (G):- 68
Non-operating Shock, 2 ms IG) :-350
Noise emission
Idle Mode (bels) :- 2.5
Seek Mode (bels) :-3.2
Native Command Queuing (NCQ) :- yes
Perpendicular recording :-yes
4-pin Molex connector :- No

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PERFORMANCE
Synthetic tests
SiSoft Sandra XII
Drive index (MB/s) :-67
Sequential: Read / Write (MB/s) :- 78/77
Random: Read / Write (MB/s):-54/43
Bufferead / Write (MB/s):-192/117
Random access time (ms):- 6
Everest Ultimate 2007
Linear: Read / Write (MB/s) :-77.7/78.1
Random: Read / Write (MB/s) :- 61.2 /64.7
Buffered: Read / Write (MB/s) :- 180.8 /163.8
Average access time: Read / Write (ms) :- 13.14 / 8.15
PC Mark 05
XP Start up (MB/s) :- 11.52
Application loading (MB/s) :- 8.18
General usage (MB/s) :- 6.71
Virus scan (MB/s) :- 106.78
File write (MB/s) :- 72.76