Unless you're ready to search for Thunderbolt drivers, don't bother.
7 February 2014
Summary: I bought the ASUS Z87-Deluxe/Quad for 2 reasons. I wanted a motherboard that supported more than six SATA drives (not including eSATA and DVD drives). I also wanted to tryout Thunderbolt 2.0 connectivity. I already had my external SSD a Seagate STAE133 External Thunderbolt sled. All was not well in paradise! The first thing I noticed when I installed Windows was that it did not run as fast on it as it appeared to on my ASRock Z77 Pro4-M, Ivy Bridge board.
Pros: Nice layout. Got at a decent price for the features. Definitely wouldn't pay top dollar for this board until ASUS fixes it's bugs
Cons: Buggy Bios, won't keep XMP memory information when utilizing 4-way optimization. Bugs in each version of 4-way optimization with the latest displaying access violation and hanging after the reboot, rendering 4-way optimization useless. To go back fixes one thing only to have other issues. Power saving settings hit and miss.