FEATURES
Drive Family :-Caviar SE
Capacity :-320 GB
Spindle speed :-7200
Buffer size :- 8MB
Average latency :- 4.2 ms
Average seek time (Read) :-8.9 ms
Number of platters / heads :- 2/ 4
Shock resistance
Operating Shock (Read). 2 ms (G):- 65
Non-operating Shock, 2 ms IG) :-350
Noise emission
Idle Mode (bels) :- 2.8
Seek Mode (bels) :-3.3
Native Command Queuing (NCQ) :-No
Perpendicular recording :-No
4-pin Molex connector :- yes

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PERFORMANCE
Synthetic tests
SiSoft Sandra XII
Drive index (MB/s):-64
Sequential: Read / Write (MB/s):- 75/75
Random: Read / Write (MB/s):-48/48
Bufferead / Write (MB/s):-88/55
Random access time (ms):-8
Everest Ultimate 2007
Linear: Read / Write (MB/s):-75.2 /75
Random: Read / Write (MB/s):- 63.1 /62.7
Buffered: Read / Write (MB/s):- 88.6 /84.8
Average access time: Read / Write (ms) :- 12.85 / 7.14
PC Mark 05
XP Start up (MB/s):- 9.41
Application loading (MB/s):- 7.23
General usage (MB/s) :- 6.09
Virus scan (MB/s):- 66
File write (MB/s):- 69.66