<s>
SWTX	B-Device
(	O
Server	O
/	O
Workstation	B-Device
Technology	I-Device
eXtended	I-Device
)	O
is	O
a	O
proprietary	O
computer	O
case	O
and	O
motherboard	B-Device
form	O
factor	O
used	O
by	O
Supermicro	O
primarily	O
for	O
4-socket	O
servers	O
.	O
</s>
<s>
Longer	O
but	O
narrower	O
than	O
WTX	B-Device
,	O
SWTX	B-Device
motherboards	B-Device
are	O
not	O
compatible	O
with	O
(	O
E	O
)	O
ATX	B-Language
cases	O
because	O
of	O
their	O
size	O
and	O
mounting	O
scheme	O
.	O
</s>
<s>
Likewise	O
,	O
ATX	B-Language
motherboards	B-Device
are	O
not	O
compatible	O
with	O
SWTX	B-Device
cases	O
.	O
</s>
<s>
Most	O
SWTX	B-Device
boards	O
seem	O
to	O
be	O
in	O
the	O
middle	O
of	O
this	O
range	O
,	O
around	O
.	O
</s>
