<s>
The	O
Amiga	B-Device
3000T	I-Device
is	O
a	O
computer	O
manufactured	O
by	O
Commodore	O
.	O
</s>
<s>
It	O
is	O
closely	O
related	O
to	O
the	O
Amiga	B-Device
3000	I-Device
,	O
although	O
it	O
came	O
in	O
a	O
tower	B-General_Concept
case	I-General_Concept
which	O
offers	O
greater	O
expandability	O
.	O
</s>
<s>
The	O
case	O
for	O
the	O
prototype	O
,	O
the	O
3500	O
,	O
was	O
derived	O
from	O
Commodore	B-Device
's	I-Device
PC	I-Device
compatible	I-Device
line	I-Device
.	O
</s>
<s>
Like	O
the	O
desktop	O
variant	O
it	O
is	O
based	O
upon	O
,	O
the	O
A3000T	B-Device
has	O
a	O
CPU	O
FAST	O
slot	O
which	O
allows	O
for	O
processor	O
upgrades	O
.	O
</s>
<s>
Later	O
models	O
were	O
offered	O
with	O
a	O
68040	B-Device
CPU	O
in	O
this	O
slot	O
,	O
and	O
third-party	O
upgrades	O
can	O
be	O
used	O
to	O
add	O
a	O
PowerPC	B-Architecture
processor	I-Architecture
.	O
</s>
<s>
The	O
A3000T	B-Device
has	O
a	O
variety	O
of	O
drive	B-Device
bays	I-Device
two	O
3.5-inch	O
drives	O
and	O
one	O
5.25-inch	O
half-height	B-Device
drive	O
,	O
mounted	O
horizontally	O
;	O
and	O
two	O
5.25-inch	O
half-height	B-Device
drives	O
mounted	O
vertically	O
.	O
</s>
<s>
Inside	O
,	O
behind	O
these	O
bays	O
,	O
there	O
is	O
space	O
for	O
two	O
more	O
,	O
internal	O
,	O
5.25-inch	O
half-height	B-Device
drives	O
.	O
</s>
<s>
The	O
available	O
drive	B-Device
bays	I-Device
make	O
it	O
possible	O
to	O
internally	O
install	O
up	O
to	O
seven	O
drives	O
in	O
the	O
A3000T	B-Device
.	O
</s>
<s>
The	O
A3000T	B-Device
's	O
specifications	O
closely	O
resemble	O
the	O
horizontal-cased	O
Amiga	B-Device
3000	I-Device
,	O
but	O
the	O
motherboard	O
has	O
been	O
heavily	O
redesigned	O
.	O
</s>
<s>
As	O
a	O
result	O
,	O
the	O
expansion-slot	O
layout	O
is	O
more	O
like	O
the	O
Amiga	B-Device
2000	I-Device
's	O
with	O
five	O
Zorro	B-Device
III	I-Device
slots	O
,	O
one	O
of	O
which	O
is	O
inline	O
with	O
the	O
video	O
slot	O
,	O
and	O
four	O
16-bit	O
ISA	B-Architecture
slots	I-Architecture
(	O
passive	O
)	O
,	O
two	O
of	O
which	O
are	O
inline	O
with	O
Zorro	O
slots	O
(	O
activated	O
with	O
bridgeboards	O
)	O
.	O
</s>
<s>
At	O
introduction	O
,	O
the	O
retail	O
price	O
of	O
an	O
Amiga	B-Device
3000	I-Device
system	O
could	O
exceed	O
$5000	O
,	O
depending	O
on	O
configuration	O
.	O
</s>
