Asus Rolls Out P9X79-E WS LGA2011 Motherboard
Asus has launched its new P9X79-E WS motherboard. This motherboard features the LGA2011 socket and has support for both Ivy Bridge-E CPUs and Xeon Ivy Bridge-EP CPUs. The motherboard features the X79 chipset. This motherboard has a very broad and complete feature set.
The motherboard has support for up to 64 GB of DDR3-2133 ECC memory split through eight memory slots. This allows for quad-channel memory support. Beyond that, the motherboard has a total of seven PCIe x16 slots, allowing for four-way SLI or CrossFireX. The CPU is fed its power through a 10-phase VRM design, which is fueled by a single 8-pin EPS connector. The memory has its own 2+2 VRM power circuitry. The motherboard also has plenty of storage connectivity; it features six SATA3 ports and four SATA2 ports, as well as another two eSATA3 ports.
The Asus P9X79-E WS motherboard is already available at select retailers for an MSRP price of $499.99.
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to the Asrock X79 Extreme11, except without adding SAS. It's nice that the
E improves the multi-GPU support to be 4-way @ x16 each, not so much for
gaming but for those using CUDA, etc., but a real shame that the 3rd party
6Gbit ports are still by Marvell because their controller is awful. 2 native Intel
ports just isn't enough. Does anyone make a decent SATA3 controller besides
Intel??
The only thing that annoys me with these boards is the locking mechanism
for the PCIe slots. With multiple cards installed and a big air cooler, it's kinda
hard to reach the latch to extract a card.
Performance-wise though, they're very good.
Ian.
As far as I know, the only thing that comes close are LSI SAS controllers. But even then, they are not as good for most applications.
excellent sequential I/O, but 4K random is limited by the card's ASIC, which
can ruin the potential of multiple SSDs connected to such cards. They make
more sense when used with Enterprise SAS/SATA for strong sequential, but
with battery-backed cache to give strong 4K performance aswell (I get 2GB/sec
on one of my PCIe cards) combined with data reliability in the event of power
failure. But yes, multiple SSDs in RAID would work better with a bunch of native
Intel SATA3 ports if only such were available (alas most boards only have two).
Where you are wrong however is if one is just using a normal single mechanical
drive. A SAS card with a 600GB 15K SAS leaves any SATA in the dust when it
comes to general performance, while even just 3 of them will give more than
700MB/sec sequential.
The caveat though is that some SAS cards with 6bit SAS support will link at
only 3Gbit when connected to a SATA3 device. In the case of LSI, one can
user particular firmware releases to solve this issue for specific cards.
Ian.