msi z97 gaming 3

Hi guys! I've got a MSI Z97 Gaming 3 motherboard (bought it in 2016) and recently bought a M.2 SSD (this one to be exact). I've passed a benchmark and it says my M.2 read speed is around 800MB/s. I'm new to the hardware world, so I'd like to know if there is anything I can configure to improve...

Hello, I would like to buy a new DDR3 RAM (have one piece 8GB Goodram 1600 Mhz on MSI Z97 Gaming 3 + cpu 4690K) and would like to get you recommendation on which RAM should I choose for my hardware: I'm interested in 2x 8GB but not sure to choose 2133 or 2400 Mhz (if it makes sense to take 2400...