PowerColor Red Dragon Radeon™ RX 570 4GB GDDR5 - PowerColor
Amazon.com: PowerColor Radeon RX 570 DirectX 12 AXRX 570 8GBD5-DM 8GB 256-Bit GDDR5 PCI Express 3.0 CrossFireX Support ATX Video Card - Brown Box (Only Comes with Driver + Manual) : Electronics
Refurbished: PowerColor Red Dragon Radeon RX 570 8GB GDDR5 2048 Units up to 1250MHz with boost 1750MHz(7.0 Gbps) 256-bit Video Cards GPUs / Video Graphics Cards - Newegg.com