Features: 1.Scope of Application: This ATX case with simple design is suitable for graphics card within the length of 34cm / 13.4in, great expandability. 2.Power Supply: This ATX chassis supports ATX/SFX/FLEX power supply and daisy chain interface. 3.PD Charging: This G3 ATX case supports maximum 20V 3A 60W PD charging, which ensures stable and reliable performance. 4.For Thunderbolt Supported: This mini PC case also supports for Thunderbolt 3/4, offering more possibilities. 5.Durable Material: This TH3P4 ATX case adopts premium steel and acrylic material, which is strong and highly durable. specification:Item Type: ATX Case Material: Steel, Acrylic PackageList:3 x Steel Panel 3 x Acrylic Side Panel 6 x Number 1 Screw 4 x Number 2 Screw 2 x Number 3 Screw 1 x Number 5 Screw 16 x Number 6 Screw 8 x Number 7 Screw 1 x Number 7 Screw Wrench 1 x User Manual