Seagate ST400FM0002 ユーザーズマニュアル

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P
ULSAR
.2 SAS P
RODUCT 
M
ANUAL
, R
EV
. C
  11
  
4.2.3
Performance
Table 6 Performance (Managed Life Warranty)
N
OTE
S
ST800FM00
02
ST800FM00
12
ST800FM00
22
ST400FM00
02
ST200FM00
02
ST100FM00
02
Maximum Burst Transfer Rate
Peak sequential 128KB read/write 
data transfer rate (MB/s max)
Sustained sequential 128KB read/ 
write data transfer rate (MB/s)
Peak 4KB random read/write 
command rate (IOPs)
Sustained 4KB random read/write 
command rate (IOPs)
Sustainable 4KB Random combined 
IOPS for 5 year Endurance 
(65%/35% R/W, 70% Duty Cycle)
Table 7 Performance (Usage Based Warranty)
N
OTE
S
ST800FM00
32
ST800FM00
42
ST400FM00
42
ST200FM00
42
ST100FM00
52
Maximum Burst Transfer Rate
Peak sequential 128KB read/write 
data transfer rate (MB/s max)
Sustained sequential 128KB read/ 
write data transfer rate (MB/s)
Peak 4KB random read/write 
command rate (IOPs)
Sustained 4KB random read/write 
command rate (IOPs)
Sustainable 4KB Random combined 
IOPS for 5 year Endurance 
(65%/35% R/W, 70% Duty Cycle)
[1]
Testing performed at Queue Depth = 32, Sequentially Preconditioned drive, using IOMeter 2006.7.27.
[2]
Testing performed at Queue Depth = 32, Randomly Preconditioned drive, using IOMeter 2006.7.27.
[3]
Testing performed at Queue Depth = 32, Non-Preconditioned drive, using IOMeter 2006.7.27.
Note.
ttp://www.iometer.org/
http://sourceforge.net/projects/iometer/
IOMeter is licensed under the Intel Open Source License and the GNU General Public License. Intel does not endorse any IOM-
eter results.  
 
Peak performance is defined as the typical best case performance that the product will be able to achieve when the product is 
preconditioned as mentioned and host commands are aligned on 4KB boundaries.
600MB/s
370/200
370/190
370/200
370/140
370/70
370/35
48,000/15,000
48,000/12,000
48,000/15,000
48,000/11,000
48,000/5500
48,000/2800
23,000
22,000
600MB/s
370/200
370/190
370/200
370/190
48,000/15,000
48,000/12,000
48,000/15,000
48,000/12,000
23,000
22,000