ASUS P9X79-E WS (WorkStation) LGA2011 Scoket Intel X79 SSI CEB DDR3 Motherboard - DDR3 2400(OC)/2133(OC)
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- with Core i7 and E5-2600 series CPU support DDR3-2400(O.C.)/2133(O.C)/2000(O.C)/1866(O.C)/1600/1333/1066 MHz
- with E5-2600 V2/ E5-1600 V2 series CPU support DDR3-1866/1600/1333/1066 MHz
- Supported 8 x DIMM, Max. 64GB, DDR3 2400(O.C.)/2133(O.C.)/1866(O.C.)/1866/1600/1333/1066 MHz ECC, Non-ECC, Un-buffered Memory *1
- Quad Channel Memory Architecture, Supports Intel® Extreme Memory Profile (XMP)
- Expansion Slots :: 7 x PCIe 3.0/2.0 x16 (single x16 or dual x16/x16 or triple x16/x16/x16 or quad x16/x16/x16/x16 or seven x16/x8/x8/x8/x16/x8/x8, black+blue) *2
Return Policy on this item
This item is non- returnable
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Top customer reviews
Most helpful customer reviews on Amazon.com
First of all it is excellent design. I installed Xeon 26xx 3.5GHz CPU and 8 dimms of REGISTERED ECC DDR3 memory (RDIMM). No issues. Have total RAM of 64GB sporting 1333MHz at 1.35V . Very stable booting Ubuntu 14.04 and Win 7. So far everything looks great, USB 3.0 ports are ok. Memory tested with mem86, Prime95 and Linpack - no issues for few nights. FYI, I also tried LRDIMM, this really do not work at all and it is not surprise as it is very niche market. If supported mobo could be easily populated with 256 or even 512 GB RAM. Regardless, BIOS reporting that nothing is connected to SATA port 4 and above despite manipulating 5 different disks between ports. Marvell ports are also failing (On top of two Intel SATA2 ports). For me this board has really 2 SATA3 and 2 SATA2 ports.
One important issue, First PCIEx slot is too close to CPU. I bought silent case and Nocturna heatsink with two low speed fans... any board installed in first slot can touch heatsink easily. It is just 100mils away, making this slot useless. Now I need to send board to repair (probably, they still may come with new magic but I doubt) or I may give up and install PCIEx card with 4 SATA ports. Because this broken SATA ports, I dropped two stars. Otherwise it is almost excellent Mobo.
1. it only has one USB 2.0 header;
2. both Intel Gigabit LAN connections are the same--an Intel I210--allowing teaming;
3. ALL graphic card slots are x16 link;
4. four (4) additional SATA 6Gb/s ports...if you don't mind Marvell's controller;
5. two additional USB 2.0 rear ports;
6. NO confusing 4-pin EZ_Plug;
7. on-board audio chip was upgraded to Realtek ALC1150;
8. lastly, it has a TPM connector.
Overall, this is an excellent board; it has more pros than cons. I should also point out that this board's width is a half an inch smaller than the P9X79 WS...outside of those changes; this board is just as stable, upgradable, and has that same ease of overclocking as its older sibling.
One last note, when you register this board with Asus, it will display as a "server", not a simple motherboard...first, don't panic, and all your software will work. I got mine directly from Amazon, it was a tad more, but I have peace of mind with their customer service and two-day shipping.
This is not an awesome motherboard for overclocking but it should be very stable and reliable. That's what I was aiming at.