Amazon offers the Gigabyte GeForce GTX 960 4GB 128-GDDR5 PCI Express 3.0 Video Card, model no. GV-N960OC-4GD, for $184.99. Redeem this $20 mail-in rebate for a final price of $164.99. With free shipping, that's the lowest total price we could find by $20. It features variable clocking from 1.2GHz (core) and 7GHz (memory), support for DirectX 12 and OpenGL 4.4, and HDMI, DisplayPort, and DVI outputs. Rebate expires March 31.