<s>
DiskSpd	B-Language
is	O
a	O
free	B-License
and	I-License
open-source	I-License
command-line	B-Application
tool	I-Application
for	O
storage	O
benchmarking	O
on	O
Microsoft	B-Application
Windows	I-Application
that	O
generates	O
a	O
variety	O
of	O
requests	O
against	O
computer	B-Operating_System
files	I-Operating_System
,	O
partitions	B-Application
or	O
storage	B-General_Concept
devices	I-General_Concept
and	O
presents	O
collected	O
statistics	O
as	O
text	O
in	O
the	O
command-line	B-Application
interface	I-Application
or	O
as	O
an	O
XML	B-Protocol
file	I-Protocol
.	O
</s>
<s>
The	O
command	O
supports	O
physical	O
and	O
virtual	O
storage	O
including	O
hard	B-Device
disk	I-Device
drive	I-Device
(	O
HDD	O
)	O
,	O
solid	O
state	O
devices	O
(	O
SSD	B-Device
)	O
,	O
and	O
solid	B-Device
state	I-Device
hybrid	I-Device
drives	I-Device
(	O
SSHD	B-Device
)	O
.	O
</s>
<s>
It	O
provides	O
control	O
over	O
the	O
testing	O
methods	O
,	O
duration	O
,	O
threads	B-Operating_System
,	O
queues	B-Operating_System
,	O
IO	B-General_Concept
and	O
processor	B-Operating_System
affinity	I-Operating_System
,	O
and	O
reporting	O
.	O
</s>
<s>
DiskSpd	B-Language
works	O
on	O
desktop	O
versions	O
of	O
Windows	B-Device
7	I-Device
,	O
Windows	B-Application
8	I-Application
,	O
Windows	B-Device
8.1	I-Device
,	O
Windows	B-Operating_System
10	I-Operating_System
,	O
as	O
well	O
as	O
Windows	B-Device
Server	I-Device
2012	I-Device
,	O
Windows	B-Device
2012	I-Device
R2	O
,	O
and	O
Windows	B-Device
Server	I-Device
2016	I-Device
.	O
</s>
<s>
It	O
is	O
licensed	O
under	O
MIT	B-License
License	I-License
and	O
the	O
source	O
code	O
is	O
available	O
on	O
GitHub	B-Application
.	O
</s>
