The computer of a friend, ACER Aspire 8920G would not start. He was taken for repair who said this is the motherboard (QLQ days after examination). As I have the same, I wanted to recover the memory and leading to another I discovered that the computer issue just came from a memory card. So after a temporary repair with one of my bars, I ordered those you propose ... and my friend saved buying a new computer !!! That's great. I appreciate more and more the Amazon site. Since I ordered other items ...