Can this chassis support a full-sized graphics card, and if so, what is the maximum length it can accommodate?

The chassis can support a full-sized graphics card, but when installing CPU water cooling, the maximum length for the video card is limited to 22cm.

Questions & Answers: PC Test Bench Open Air Computer Case ITX Motherboard Chassis Aluminum Bracket DIY Bare Frame ITX Support 120 240 360 Liquid Cooling

double click image to zoom in

PC Test Bench Open Air Computer Case ITX Motherboard Chassis Aluminum Bracket DIY Bare Frame ITX Support 120 240 360 Liquid Cooling

Made of aviation magnesium aluminum alloy with sufficient thickness of 8mm (real thickness) by NC finishing,the surface is sandblasted and hard anodized, beautiful and generous
Size:24x24x20cm;Applicable Mainboard: For ITX motherboard
Support HDD:1 and SSD:1;Support ATX power supply.Support 2 120 water cooling both install on the case;No limit for the length of the video card(when install CPU water cooling the limit for the length of video card is 22cm)
Supporting integrated water-cooled installation (120 water-cooled drainage)
Open frame design, with good heat dissipation performance, bringing great using experience.And you can clean the dust on the PC case really easy too