ASUS GeForce GT 710 is one option for you if you're upgrading your computer. This graphics card is fitted with a 2 GB memory of the GDDR5 type. It has a GPU clock speed of 954 MHz.
From Amazon
ASUS GT710-4H-SL-2GD5 GeForce GT 710 2GB GDRR5 with 4 x HDMI ports and single slot for silent multi-monitor productivity
PC Direct UK
Asus GT710 2GB DDR5 PCIe2 4 x HDMI 954MHz Clock