The SSD Review published a review on the ASRock Z87 Extreme11/ac Motherboard SSD Storage Overview
A quote from the article:
It's no secret that SSDs have been a major force in tech advance and the force in which they've impacted could never be covered in a single report. Eyeing the enthusiast or home user alone, SSDs are now a main staple of any PC build. They enable quicker PC start times, increase system performance and reduce scene transition times when gaming. Add to that characteristics such as less heat, less noise, better data protection as well as better battery life for laptop and ultra users.Motherboard manufacturers have been relatively slow to adapt, and their reasoning that SSD progression just hasn't slowed enough yet to grab hold, is valid. In just a few years we have seen consumer SSDs progress from the 3.5" desktop standard, to notebook, mSATA, PCIe and now we are about to experience the smallest form factor yet with the newest M.2 standard. Quite frankly, motherboard manufacturers find that just as they have been able to successfully incorporate one standard, the next appears.ASRock Z87 Extreme11/ac Motherboard SSD Storage Overview @ The SSD Review
The fact that we were formerly limited to two Intel ports for full 500+ MB/s SSD performance didn't help.