Start doing the math on some of the components listed in the 'vSan" to get that "6X" performance and you will quickly realize that the costs involved start to add up very quickly. Lets also ignore the fact that not every system connecting to storage is virtual. Mellanox loves to lead with extreme claims, but the devil is usually in the details.
Honestly these kind of advertisements masquerading as articles don't lend a lot of credibility to the Reg. Instead of just regurgitating the press release, maybe actually do a little digging and report.