First up is this list of ASUS Radeon RX 500 cards which was discovered by VideoCardz. This is not the full list of upcoming cards, the site says they heard there will be more than the six listed below. A British website is listing the ROG STRIX RX 580 Gaming for £326.51 (incl. VAT).
Next VideoCardz found a list of eleven upcoming Radeon RX 500 cards from Sapphire. Current pre-order prices show a range of around 90EUR for the basic Radeon RX 550, 183EUR for the RX 570 and 234EUR for the RX 580 4GB.ASUS ROG STRIX RX 580 8GB (ROG-STRIX-RX580-8G-GAMING) ASUS ROG STRIX RX 580 8GB OC (ROG-STRIX-RX580-O8G-GAMING) ASUS ROG STRIX RX 570 4GB (ROG-STRIX-RX570-4G-GAMING) ASUS ROG STRIX RX 570 4GB OC (ROG-STRIX-RX570-O4G-GAMING) ASUS RX 550 2GB (RX550-2G) ASUS RX 550 4GB (RX550-4G)
Then there's also an e-tailer listing the Radeon RX 580 GAMING X 8GB and Radeon 570 GAMING X 4GB video cards from MSI. Both models are expected to be in stock on April 10, the Radeon 570 GAMING X has a price of 410.19EUR and the Radeon RX 580 GAMING X is listed for 506.99EUR. These prices include 21% VAT and seem to be placeholders.Sapphire RADEON RX 580 8GB GDDR5 NITRO + 2xHDMI DVI-D 2XDP W / BP LE IN (11265-00-40G) Sapphire RADEON RX 580 8GB GDDR5 PULSE 2xHDMI DVI-D 2XDP OC W / BP IN (11265-05-20G) Sapphire RADEON RX 580 8GB GDDR5 NITRO + 2xHDMI DVI-D 2XDP W / BP IN (11265-01-20G) Sapphire RADEON RX 580 4GB GDDR5 NITRO + 2xHDMI DVI-D 2XDP W / BP IN (11265-07-20G) Sapphire RADEON RX 580 4GB GDDR5 PULSE 2xHDMI DVI-D 2XDP OC W / BP IN (11265-09-20G) Sapphire RADEON RX 570 4GB GDDR5 NITRO + 2xHDMI DVI-D 2XDP W / BP IN (11266-14-20G) Sapphire RADEON RX 570 8GB GDDR5 NITRO + 2xHDMI DVI-D 2XDP W / BP IN (11266-09-20G) Sapphire RADEON RX 570 MINI 4GB GDDR5 HDMI DVI-D DP PULSE IN (1266-06-20G) Sapphire RADEON RX 570 4GB GDDR5 PULSE 2xHDMI DVI-D 2XDP OC W / BP IN (11266-04-20G) Sapphire RADEON RX 550 4GB GDDR5 PULSE HDMI DVI-D DP IN (11268-01-20G) Sapphire RADEON RX 550 2GB GDDR5 PULSE HDMI DVI-D DP IN (11268-03-20G)