Review: Nvidia's GTX 970 is the GPU Bargain of the Year - GameSpot
Overclocking Nvidia's GTX 970: GTX 980 performance, for a fraction the price | Extremetech
Used - Like New: MSI GeForce GTX 970 4GB GDDR5 PCI Express 3.0 SLI Support ATX GAMING LE 100 Million Edition Video Card GTX 970 GAMING LE 100ME GPUs / Video Graphics Cards - Newegg.com