4U industrial chassis material:1.0-1.2 mm thick high-strength galvanized steel (SGCC);
colour:The front panel is roasted with black powder, and the main casing body is not painted;
Long 4U industrial chassis extension bits: The 1.1*3.5"HDD bracket can hold 4 3.5"HDDs. The 2.1*2.5"HDD bracket can hold one 2.5"HDD. 3.1*ODD magnetic rack, can hold 3*5.25″CDROM. 4.1*SLIM CD. 5.1*120*120*25mm fan frame. 6.1*Long card guide card holder.

The front panel is roasted with black powder, Short 4U industrial chassis and the chassis body is not painted;
Support motherboard：Support 12"x10.5" and Smaller size motherboards;​
Card support​：Support up to seven standard plug-in cards;​

Material:1.0-1.2 mm thick high-strength galvanized steel (SGCC);
colour:Paint black sand pattern on exterior surface
Baking Varnish 4U industrial chassis extension bits: The 1.1*3.5"HDD bracket can hold 4 3.5"HDDs. The 2.1*2.5"HDD bracket can hold one 2.5"HDD. 3.1*ODD magnetic rack, can hold 3*5.25″CDROM. 4.1*SLIM CD. 5.1*120*120*25mm fan frame. 6.1*Long card guide card holder.
cooling system:The rear panel supports two 8025 fans, the front panel supports one 12025 fan and the 3.5″HDD bracket supports one 8025 fan to ensure sufficient heat dissipation requirements;