Graphic Engine Radeon RX 6400 Bus Standard PCI Express 4.0 OpenGL OpenGL®4.6 Video Memory 4GB GDDR6 Engine Clock Gaming mode: up to 2321 MHz(Boost Clock)/ up to 2039 MHz(Game Clock) Stream Processors 768 Memory Speed 16 Gbps Memory Interface 64-bit Resolution Digital Max Resolution 7680 x 4320 Interface Yes x 1 (Native HDMI 2.1) Yes x 1 (Native DisplayPort 1.4a) HDCP Support Yes (2.3) Maximum Display Support 2 NVlink/ Crossfire Support Yes Accessories 1 x Speedsetup Manual Software ASUS Driver, please download all software from the support site. Dimensions 201 x 124 x 40.5 mm 7.91 x 4.88 x 1.59 inches Recommended PSU 500W Slot 2 Slot