ASRock X99 Extreme11 Motherboard Review – Quad X16 SLI/ Crossfire Gfx and 6.1GB/s Speeds


Considering that I am truly not a gamer, one might wonder if I feel just a bit guilty having one of the top gaming systems money can buy.  Similarly I guess, one might have wondered similar in our last report of the ASRock OC Formula, as I am not much of an accomplished overclocker as well.  The answer… not a bit, and the reason is simply that ASRock seems to be creating motherboards that are as appealing to the expert as they are to the enthusiast.  Having said that our expertise lies in storage and that is probably the reason that ASRock relies on us with their top motherboards before even the best reviewing websites.  We appreciate that sincerely and hope that this report is fitting of that compliment.

X99 Bench Angled

What ASRock’s most recent offerings are doing is pushing the motherboard industry ahead by leaps and bounds, and in doing so, they seem to be taking a position of leadership where they dare other motherboard manufacturers to keep up.  Not only does storage performance at levels of 6.1GB/s play a large part in board advance, but ASRock pushes even further with boards like their X99 OC Formula where Nick Shih introduces the board with an overclocking world record.  Now add to this that, once again ASRock is introducing a board capable of 16/16/16/16 SLI or CrossfireX graphics, and thanks to PLX, it doesn’t eat up complete PCIe lane use for other hardware.

ASRock X99 Extreme11 Motherboard Angled

From our perspective, storage performance of the ASRock X99 Extreme11 seems to be on par with that of the X99 chip, noting of course that much of the testing conducted here cannot be completed on any other consumer enthusiast level motherboard in the world.  Right now, not only is the X99 the only to have 18 SATA ports, but also, it is also the only with 4 included SAS ports along with two M.2 PCIe 3.0 X4 slots.  The only thing that we are not really content with was that we have yet to be able to reach data transfer speeds (at least at the low 4K write level) that we have become used to in the Z87 and Z97 series chips.

The only other concern we might see with the ASRock X99 Extreme 11 will be the price if it lies anywhere near pricing of the original either the X79 or Z87 Extreme11 when released, this being anywhere from $650 to $1000.  Prices like this make the Extreme 11 a niche board for the extreme enthusiast, however, the ASRock X99 Extreme 11 accounts for this with  the LSI SAS 3008 controller, two PLX PEX 8747 chips and other similar great components.  After all, where else can you put together a gaming system capable of just under 5Ghz CPU overclock, up to 128GB DDR4 RAM, quad X16 SLI/CrossfireX graphics, dual Ultra M.2 slots capable of up to 32GB/s each, orquad SAS/18xSATA ports that bring in up to 6.1GB/s transfer speeds?

Editors Choice-SSD copy Opt

Watch For ASRock X99 Extreme11 Pricing at Amazon

User Rating: Be the first one !


  1. blank

    This board is heavy on the “drool” factor!!

  2. blank

    It doesn’t have 4×16 SLI. That is a marketing ploy/lie (at least in that context). Those PLX chips are useless in that scenario. They are only useful when your PCI-E cards aren’t all going to be in use at the same time. They are much more useful for storage than graphics.

    • blank

      You might want to take a look at the ASRock video that tests it. Perhaps we should have posted it.

    • blank

      It’s worth mentioning that with graphics 4×16 PCI-E 3.0 doesn’t really make much of a difference anyway, as graphics cards won’t use all of the bandwidth, especially when you consider how poorly 4-way SLI/CrossFireX scales in comparison to 2, or even 3-way.

      The 4×16 is absolutely much more of a factor in terms of storage than graphics, but that has little do to with whether or not the board can actually utilize the function across four graphics cards simultaneously .

  3. blank

    compared to striker 2 extreme this is nothing

  4. blank

    MB Manual:

    It will be great next year when M.2 Interfaces are more common and even better capable.

    ASUS’s M.2 Interface seems to only support ONE short Card but the X99 Extreme11 accepts 2 Cards from 3 to 11 cm long. I see a new RACE to support longer Cards in greater quantities.

    It would be neat to see each of the X99 Extreme11’s M.2 Ports double stacked, so we could get 4 Cards on the MB. Hang a couple next to each rack of DIMMs for a total of 6 Ports.

    ASUS claims they have a RAMDisk that is 20x times faster than SSD, (like on their Maximus VII Formula MB), now we need to work on getting 10G Ethernet on these MBs (it goes without saying we want 10G Ethernet in our homes, at a low cost – Hint: Local Cable Provider). Then the last battle remaining is efficient 4-Way scaling.

    More than some people need, here we come !

  5. blank

    I’d really like to see Les, do a test on the Asus Maximus Hero VI with the Intel DC P3700

  6. blank

    Asus or anyone please send Les the new Asus x99 Rampage V Extreme Motherboard so he can perform a review on it

  7. blank

    does this motherboard support install windows on a M.2 RAID 0 configuration?

  8. blank

    Thank you for the review.
    I need a sustained sequential write of 3.2GB/s on a raid 0 with 8 Samsung SSD 850 Pro 1TB.
    Do you think this board can help me?
    thanks !

Leave a Reply

Your email address will not be published. Required fields are marked *