dell axim 

Statements about this table:
7 of the 14 model have no wifi
the x3i do not have bluetooth but do have wifi
the x5 model have less ram than the x50v model
the x30 mid - range and the x30 high - end launch in the same year
the x30 have 3 different model
the x3i do not have wifi but do have bluetooth
the x30 high end launch 1 year later than x30 midrange
the x30 only have 2 model
model
launch year
ram ( mib )
rom ( mib )
slots
wifi
bluetooth
x5
2002
32
32
1cfii , 1sd
no
no
x5 high end
2002
64
48
1cfii , 1sd
no
no
x3 basic
2003
32
32
1sd
no
no
x3 advanced
2003
64
64
1sd
no
no
x3i
2003
64
64
1sd
802.11b
no
model
launch year
ram ( mib )
rom ( mib )
slots
wifi
bluetooth
x30 low - end
2004
32
32
1sd
no
no
x30 mid - range
2004
64
64
1sd
802.11b
1.1
x30 high - end
2004
64
64
1sd
802.11b
1.1
x50 standard
2004
64
64
1cfii , 1sd
no
yes
x50 advanced
2004
64
128
1cfii , 1sd
802.11b
yes
model
launch year
ram ( mib )
rom ( mib )
slots
wifi
bluetooth
x50v
2004
64
128
1cfii , 1sd
802.11b
1.2
x51 low - end
2005
64
128
1cfii , 1sd
no
1.2
x51 mid - range
2005
64
128
1cfii , 1sd
802.11b
1.2
x51v
2005
64
256
1cfii , 1sd
802.11b
1.2