Get ready for a whole lot of deals, as it's almost time for a lot of retailers to start their Black Friday madness sales. Right now we're looking at Amazon and they have select Sandisk and Samsung microSD and SD cards on sale for up to 40% off. So we've got a 64GB SD card from Samsung for just $29.99, which is quite good. And on the microSD card side, there's a 64GB card from Samsung for just $34.99. Sandisk also has a slew of them available too. You can check them out from the links below.