FEATURES
Drive Family :-Deskstar T 7K 500
Capacity :-320 GB
Spindle speed :-7200
Buffer size :- 8MB
Average latency :- 4.17 ms
Average seek time (Read) :-8.5 ms
Number of platters / heads :- 2/4
Shock resistance
Operating Shock (Read). 2 ms (G):- 55
Non-operating Shock, 2 ms (G):-300
Noise emission
Idle Mode (bels) :- 2.8
Seek Mode (bels) :-3.4
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):-62
Sequential: Read / Write (MB/s):- 71/71
Random: Read / Write (MB/s):-48/47
Bufferead / Write (MB/s):-121/94
Random access time (ms):-7
Everest Ultimate 2007
Linear: Read / Write (MB/s):-71.2/71.4
Random: Read / Write (MB/s):- 62.2 /52.3
Buffered: Read / Write (MB/s):- 121.6 /117.7
Average access time: Read / Write (ms):- 12.95 / 6.64
PC Mark 05
XP Start up (MB/s):- 9.51
Application loading (MB/s):- 7.35
General usage (MB/s):- 6.2
Virus scan (MB/s):- 92
File write (MB/s):- 66.92