FEATURES
Drive Family :-Deskstar T7 K 250
Capacity :-250 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 IG) :-350
Noise emission
Idle Mode (bels) :- 2.8
Seek Mode (bels) :-3.1
Native Command Queuing (NCQ) :- yes
Perpendicular recording :-No
4-pin Molex connector :- yes

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PERFORMANCE
Synthetic tests
SiSoft Sandra XII
Drive index (MB/s) :-56
Sequential: Read / Write (MB/s) :- 64/64
Random: Read / Write (MB/s):- 43/44
Bufferead / Write (MB/s):-194/78
Random access time (ms):-7
Everest Ultimate 2007
Linear: Read / Write (MB/s) :-64.1 /64.3
Random: Read / Write (MB/s) :- 53.9 /54.5
Buffered: Read / Write (MB/s) :- 189.4 /165.9
Average access time: Read / Write (ms) :- 12.94 / 6.42
PC Mark 05
XP Start up (MB/s) :- 11.19
Application loading (MB/s) :- 7.99
General usage (MB/s) :- 6.76
Virus scan (MB/s) :- 111.34
File write (MB/s) :- 64.45