Now that the screws are removed and cables unplugged. Very carefully lift the drives out. They slide directly up and out. Make sure to set your drives with the HDD facing up like you see in Red Box. To reassemble your drives carefully line them up in the space with the orange box outlined.

Then carefully set them inside the PC. It lines up perfect and comes close to the SATA cords on the motherboard. Make sure nothing is getting pressed down underneath when reassembling.