pcix16 and x1

Hello. I have an Asus SABERTOOTH Z97 MARK 1/USB 3.1 currently using Samsung 850 Pro SSD's but am thinking of getting a bigger one that is faster. I have heard of M.2's being up to possibly 4x faster and was wondering if this motherboard can support an older model, if not the latest. There is an...

CAN THE HP 8200 ELITE SFF MOTHERBOARD USE 2 GPU'S SIMULTANEOUSLY? I AM USING THE PCI E x16 AND I WOULD LIKE TO PUT AN OTHER GPU ON THE PCI E x1? IS THAT POSSIBLE OR NOT, NOT GAMING REASONS JUST MORE MONITORS P.S I AM USING ALL THE PORTS OF THE GPU IN THE PCI x16 AND NOT BUYING A NEW GPU FOR...