Best Buy: XFX AMD Radeon RX 550 Core Edition 4GB GDDR5 PCI Express 3.0 Graphics Card Black RX-550P4SFGR
BIOSTAR Radeon RX 550 4GB | VideoCardz.net
Biostar AMD RX550 128-Bit 4GB GDDR5 Graphic Card with fan Support DirectX12 Video Card GPU PCI Express 3.0 DP/DVI-D/HDMI,Play for LOL,DOTA,CSGO,Apex etc. - Newegg.com
BIOSTAR Radeon RX 550 4GB GDDR5 Graphics Card (VA5515RF41TBMRABS2) for sale online | eBay