Features: The case- for TH3P4G3 Thunderbolt-compatible GPU dock, support ATX,SFX and FLEX(1U) power supply.Please note when you use FLEX(1U) power supply, you need to buy the accessory of SFX to FLEX-(1U) at the same time. With cooling fans, large area heat dissipation semi-permeable material for better heat dissipation The case- is a metal frame, strong and stable; with OLED display. The 2 side of plate is acrylic material, you can see the device inside through the acrylic. Please tear up the protection film on the acrylic before use it Specifications: Model: TH3P4G3 ATX Size: approx 366x182x160mm/14.41x7.16x6.3ines Weight: 1500g/52.9oz Interface: THunderbolt3/4 Speed: 40Gbps Daisy-chain: support Power supply: support ATX/SFX/FLEX- Graphics card size: limited to 34cm in length, 16cm in height, 70mm in width Other functions: USB3.1 PD-charging: supports Max20V3A@60W USB function: USB/Type-C: 5V3A Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1Set x TH3P4G3 ATX Metal Case- with PWM Cooling Fans - (not include GPU dock)