<s>
In	O
computing	O
,	O
a	O
peripheral	B-Architecture
bus	I-Architecture
is	O
a	O
computer	B-General_Concept
bus	I-General_Concept
designed	O
to	O
support	O
computer	B-Device
peripherals	I-Device
like	O
printers	O
and	O
hard	B-Device
drives	I-Device
.	O
</s>
<s>
The	O
term	O
is	O
generally	O
used	O
to	O
refer	O
to	O
systems	O
that	O
offer	O
support	O
for	O
a	O
wide	O
variety	O
of	O
devices	O
,	O
like	O
Universal	B-Protocol
Serial	I-Protocol
Bus	I-Protocol
,	O
as	O
opposed	O
to	O
those	O
that	O
are	O
dedicated	O
to	O
specific	O
types	O
of	O
hardware	O
.	O
</s>
<s>
Serial	O
AT	O
Attachment	O
,	O
or	O
SATA	O
is	O
designed	O
and	O
optimized	O
for	O
communication	O
with	O
mass	B-Device
storage	I-Device
devices	I-Device
.	O
</s>
<s>
This	O
usage	O
is	O
not	O
universal	O
,	O
some	O
definitions	O
of	O
peripheral	B-Architecture
bus	I-Architecture
include	O
any	O
bus	O
that	O
is	O
not	O
a	O
system	B-Architecture
bus	I-Architecture
,	O
including	O
examples	O
like	O
PCI	B-Protocol
.	O
</s>
<s>
Others	O
treat	O
PCI	B-Protocol
and	O
similar	O
systems	O
as	O
a	O
third	O
category	O
,	O
the	O
expansion	B-Device
bus	I-Device
.	O
</s>
