With Skylake chips still selling through retailers for a significantly greater price than Intel may have intended, the HEDT X99 platform quickly becomes an even more appealing option to power users. The six-core Haswell-E 5820K is faster than Skylake's flagship 6700K and is available for around £40 less. The next critical item in a similarly-priced Haswell-E vs Skylake build is a cost-effective X99 motherboard. Enter MSI's X99A SLI Plus.