Seagate ST480FP0021 ユーザーズマニュアル
S
EAGATE
600 P
RO
SSD P
RODUCT
M
ANUAL
, R
EV
. A
5
2.4
P
ERFORMANCE
, R
ECORDING AND INTERFACE TECHNOLOGY
2.4.1
Interface technology
480GB
MODELS
400GB
MODELS
240GB
MODELS
200GB
MODELS
120GB
MODELS
100GB
MODELS
Interface
Serial ATA (SATA-II)
Interface Speeds
Supported
Supported
6Gb/s, 3Gb/s, 1.5Gb/s
Maximum Burst
Transfer Rate
Transfer Rate
600MB/s
Hot Plug Support
Yes
Native Command
Queuing Support
Queuing Support
Yes
Trim Support
Yes
Lifetime Endurance
Management Option
Management Option
Yes
2.4.2
Recording technology
Flash Memory Type
NAND MLC
Emulated LBA Size (Bytes)
512
Native Programmable Page size (User Bytes)
8192
Default transfer alignment offset
0
Typical Data Retention with Power removed (at 40°C)
3 months
2.4.3
Performance
Notes
480GB
400GB
240GB
200GB
120GB
100GB
Maximum Burst Transfer Rate (MB/s)
520
Peak sequential 128KB read/write data
transfer rate (MB/s max)
520/450
520/300
Sustained sequential 128KB
read/write data transfer rate (MB/s)
520/450
520/300
Peak 4KB random read/write command
rate (KIOPs)
85/30
80/20
Sustained 4KB random read/write
command rate (KIOPs)
85/11
85/30
85/11
85/30
85/8
85/20
[4]
Testing performed at Queue Depth = 32, Sequentially Preconditioned drive, using IOMeter 2006.7.27.
[5]
Testing performed at Queue Depth = 32, Randomly Preconditioned drive, using IOMeter 2006.7.27.
[6]
Testing performed at Queue Depth = 32, Non-Preconditioned drive, using IOMeter 2006.7.27.
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 IOMeter 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.
endorse any IOMeter 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.
Sustained performance is defined as the typical worst 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. For models that support Lifetime
Endurance Management, write values also take into account the worst case performance throttling that may occur to ensure
the product meets specified reliability specifications.
product is preconditioned as mentioned and host commands are aligned on 4KB boundaries. For models that support Lifetime
Endurance Management, write values also take into account the worst case performance throttling that may occur to ensure
the product meets specified reliability specifications.
Due to the nature of Flash memory technologies there are many factors that can result in values different than those stated
in this specification. Some discrepancies can be caused by bandwidth limitations in the host adapter, operating system, or
driver limitations. It is not the intent of this manual to cover all possible causes of performance discrepancies.
in this specification. Some discrepancies can be caused by bandwidth limitations in the host adapter, operating system, or
driver limitations. It is not the intent of this manual to cover all possible causes of performance discrepancies.