Sapphire AMD Radeon R9 290X 4GB GDDR5 PCI-E Graphics Card

AMD Radion R9 280X vtx 3GB Graphics Card

AMD FirePro W5100 4GB GDDR5 DisplayPort x4 PCIE Graphics Card

ASUS AMD Radeon R9 280X 3GB GPU – Used + Working – PCI‑E Graphics Card

XFX Radeon R9 290 4GB GDDR5 PCI-E Graphics Card

Gigabyte Windforce R9 270X 2GB DDR5 PCIe Video Graphics Card GV-P927XOC-2GD

Gigabyte 2GB NVIDIA GeForce GTX 660 Ti PCI-e Graphics Card GV-N66TWF2-2GD

Palit Nvidia Geforce GTS 450 2gb DDR3 VGA/DVI/HDMI PCIE Graphics Card *tested*