MYOPENPC BENCH Tower Transparent Acrylic Open Test Bench Case with Stackable Capability - PC components & upgrade kit are not included Clear Transparent Acrylic Test Bench Station with Multi Unit Stackable Function Compatible with ATX, mATX, ITX motherboards and ATX, mATX Power Supply One 5.25" ODD bay and Two 3.5" HDD bays Heat Treatment Acrylic Materials are used Copnvenient for Testing and Overclocking