User manual
2 
GX300 Window User Manual 
Congratulations on your purchase of the Antec GX300 Window! 
Following GX300 Window is Antec new military style chassis, in addition to continuation GX series of 
unique, wild, uninhibited, robust style, GX300 exterior design is sturdy and as powerful and dominating 
as the tough warrior. Front panel with plastic and 3D mesh design, tough lines with powerful mechanical 
sense. GX300 window equipped with one USB3.0, one USB2.0 and one fan with high/ low speed control 
interface, this priceless product is unmatched by a similar specification of other enclosures. It comes 
with 2 x 120mm Blue LED fans, both for cooling and silent computing. 
At  Antec, we continually refine and improve our products to ensure the highest quality. As such, your 
new chassis may differ slightly from the description in this manual due to improvements applied for the 
optimal building experience. As of November 15, 2014, all features, descriptions, and illustrations in this 
manual are correct. 
Disclaimer 
This  manual  is  intended  only  as  a  guide  for  Antec’s  computer 
enclosures. For more comprehensive instructions on installing  the 
motherboard and peripherals, please refer to the  manuals that 
come with those components. 










