20GB GDDR6 Graphic Engine ASUS TUF Gaming Radeon RX 7900 XT OC Edition 20GB GDDR6 Engine AMD RadeonTM RX 7900 XT Bus Standard PCI Express 4.0 OpenGL OpenGL® 4.6 Video Memory The clock OC mode: up to 2175 MHz for the game clock and up to 2535 MHz for the boost clock Up to 2500 MHz (Boost Clock) or up to 2130 MHz (Game Clock) is the default mode. 5376 Stream Processors 20 Gbps is the memory speed. Digital Maximum Resolution 7680 x 4320 Interface Memory Interface 320-bit Resolution True for both the first (Native HDMI 2.1) and third (Native DisplayPort 2.1) Yes, HDCP is supported (2.3). NVlink/Crossfire Support Maximum Display Support 4 Absence of Accessories One TUF reliability certificate One TUF Velcro Hook & Loop and one TUF Gaming Graphics Card Holder A single collection card