This one, the one in the middle ?
Old device and updates very easy
Here is al the information you need
viewforum.php?f=80GO Classic / 300 / 500 / 700
General
Function Car
Launched may 04 / apr 05 / may 05 / jun 05
Size mm 115 x 92 x 58
Weight 310 gr
Screen
Type color LCD
Resolution 320 x 240 pixels
Size inch 3.5
Colors 4096
Device
CPU ARM920T / ARM920T / ARM920T /?
CPU speed 200 / 200 / 200 / 400 mHz
Ram 32 / 32 / 32 / 64 Mb
Storage SD / SD / SD / HDD 2,5 Gb
SD slot Yes / Yes / Yes / No
Build in speaker Yes