computer case

model no:  PA903　 　 　 
form: ATX MID TOWER CASE  　 　 
chassis option :  PA-1, PA-2 ;420(D)X183(W)X410(H) 　 
 PA-4;390(D)X183X410 　 　 
front panel color:  black,silver 　 　 
power supply option:  200W,250W,300W,350W, 400W,450W,500W 
5.25 External Bays: 4 　 　 　 
3.5 External Bays: 2 　 　 　 
3.5 Internal Bays: 5 　 　 　 
Front USB 2.0 Port: 2 　 　 　 
Front Audio Port: 1 　 　 　 
Front Mic Port: 1 　 　 　 
fan:  8cm/9cm/12cm back option; 8cm/9cm/12cm fan front option  
air duct:  YES 　 　 　 
Tool-less Design YES