Radeon RX 500 series graphics cards

Chipset: AMD RX 580
Memory: 8GB DDR5 Memory
Factory Overclocked: 1405Mhz
XFX double dissipation cooling technology
Form Factor: Plug-in Card

Chipset: AMD RX 570
Memory: 8GB DDR5
Dual Bios - Gaming and Cryptocurrency Mining
XFX Double Dissipation Cooling Design
Factory Overclocked
Form Factor: ATX

Powered by the AMD Radeon RX 580 graphics processing unit (GPU) With a 1405MHz clock speed and 1425MHz boost clock speed to help meet the needs of demanding games.
8GB GDDR5 (256-bit) on-board memory Provides the memory needed to recreate game visuals with striking realism.
PCI Express 3.0 interface Offers compatibility with a range of systems.
AMD Eyefinity technology Lets you connect up to 6 displays (not included), enlivening your gaming experience with panoramic visuals.
DVI, HDMI and 3 DisplayPort outputs Enable flexible connectivity.

VisionTek Radeon RX560 4GB GDDR5 4M (4xMiniDP) Graphics Card

The VisionTek AMD Radeon RX 550 4M 4 GB GDDR5 graphics card is ideal for businesses looking to increase productivity by supporting up to four displays. With 4K resolution support, the RX 550 is perfect for digital signage in a corporate office or high resolution menus in restaurants. Turn your system into a marketing, trading or training power house.
No additional power is required, making this card ideal for small or full sized systems with limited power supply options. With the small form factor card size and brackets for both SFF and regular ATX cases, this card fits most common business and personal systems on the market keeping this a versatile option for nearly any environment.