Thanks @Jamesbond007 !!
I had a quick look but couldn't see any RX460's s/h that are close by.
Would either of these RX560's work, I've never heard of Saplos though...
SAPLOS Radeon RX 560 Computer Graphics Cards, 4GB, GDDR5, 128 Bit, DisplayPort/HDMI/DVI-D, Video Cards for Gaming PC, Dual...