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.

GPU processor: Radeon RX 570
Ports: 1 x DVI-D, 2 x HDMI, 2 x DisplayPort 1.4
Memory: 4GB, GDDR5
Chipset: AMD
Clock speed: 1750 MHz, 7000 MHz Effective

Bulk Packaging
HP AMD Radeon RX560 4GB - HP
705G4ED DM 800G4ED DM
800G5ED DM EliteDesk800G5 DM
30 day warranty

BIOSTAR RADEON RX 550 Boost Frequency Up to 1183 MHz Max Performance, Stream Processors 512
Powerful GPU Memory, High Performance Gaming Memory Speed 1,500 MHz ( 6.0 Gbps ), Memory Size 2GB, Memory Type (GPU) GDDR5, Memory Interface 128-bit, Max Memory Bandwidth 96 GB/s
Connectivity ports : DisplayPort 1.4 HDR, Dual Link DVI-D, HDMI 4K60 Support
Supported OS : Windows 10 64-Bit - Windows 7 32-Bit and 64-Bit