Jet offers the VisionTek Radeon R9 390X 8GB GDDR5 512-bit PCI-Express 3.0 Video Card, model no. 900810, for $353.99 with free shipping. That's the lowest total price we could find by $64. It features a 1.5GHz memory clock, 1,050MHz core clock, support for DirectX 12 and resolutions up to 4096x2160 (4K), HDMI, DisplayPort, and two dual-link DVI-D ports.
Note: You can also receive additional discounts during checkout by waiving free returns or by choosing select payment options.