ASUS AMD Radeon DUAL-RX6400-4G RX 6400 4GB GDDR6, 2321 MHz Boost Clock/2039 MHz Game Clock PCI Express 4.0. 1x HDMI,1xDP 1.4a

ASUS Dual Radeon??? RX 6400 4GB GDDR6 with two powerful Axial-tech fans and a 2-slot design for broad compatibility
Axial-tech fan design features a smaller fan hub that facilitates longer blades and a barrier ring that increases downward air pressure.
A 2-slot Design maximizes compatibility and cooling efficiency for superior performance in small chassis.
Dual ball fan bearings can last up to twice as long as sleeve bearing designs.
Auto-Extreme Technology uses automation to enhance reliability.
A protective backplate prevents PCB flex and trace damage.

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
Dimensions ‘201 x 124 x 40.5 mm
7.91 x 4.88 x 1.59 inches’