KI-N1528R  2*3.5" Hotswap + 2*2.5"(fix) HDD  datasheet (342k)  1.5U chassis support Mini-ITX M/B  2slot Expansion slot  Most compact size depth=280mm	KI-N339R 3U Hotwap ATX Chassis datasheet  4*3.5" hotswap + 4*2.5" + 1*5.25" space PS2 / PS3 Powersupply USB3.0*1+USB2.0*2+ Thermal LCD infront	KI-M228R  2U Hotswap mini-itx Chassis  datasheet (342k)  Compact size to save space,Depth=280mm  3 x 3.5" Hotswap + 1 x 3.5(internal) HDD space  Keylock door with air filter	KI-N458R  4U Hotswap  ATX Chassis  datasheet (342k)  PS2 ATX Power supply  8 x 3.5" Hotswap + 4 x 2.5" + 1x 5.25"  Thermal LCD infront