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Item#: N82E16813131272

ASUS Z7S WS Dual LGA 771 Intel 5400 SSI CEB Dual Intel Xeon Server Motherboard

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  • Dual LGA 771
  • Intel 5400
  • 6 x 240Pin

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  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the ASUS Z7S WS

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Customer Reviews of the ASUS Z7S WS

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  • Carlos G.
  • 5/10/2009 1:53:28 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsPhenomenal Valuewith a couple of caveats

Pros: *Four Channel FB-Dimm.
*Wide variety of E5xxx Xeons and QX9775.
*Power consumption seems good.
* Excellent Value, 1/3 less than the SkullTrail, with better performance (PCI-E 2.0 v. PCI-E 1.1).
*Ample USB slots
*Relatively future proof, especially if you purchase QX9775's
*Has a legacy IDE if you want to go old school on the hard drive, DVD Drives.
*Excellent value for the features.
*Multi-tasks well and high framerates in games (COD4 & Far Cry2) with only a twin 5410's and a 4870x2.

Cons: The bios is screwy and the PCI-X slot should have been a PCI-E 1 or 2 at least 8x electrical, with 16x physical, but I guess that is for the rapidly aging PCI-X RAID interface. There should be two more RAM slots for true quad channel performance. The stupid four pin connector is placed such that I cannot add another 4870x2. There are also only six SATA slots, would have been better to see SATA and/or SAS if it is truly a workstation, but that's why they make RAID cards, right? Not worth knocking an Egg off.

Other Thoughts: This has been a great Board and I have only minor nits to pick with it. It is clear Asus put a lot of thought into its design and the SSE form factor, instead of E-ATX like the skulltrail. I use this for BOINC crunching 24/7, gaming and serious multitasking work on overclocked 5410's. I have had this board since November and have been very satisfied. While others have had problems with this board, I highly recommend it with the caveat that you upgrade or have the latest bios version 5.

0 out of 1 people found this review helpful. Did you? Yes No

  • John l.
  • 1/9/2009 8:39:53 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsGreat dual socket board-Overclockable

Pros: Dual socket xeon , dual pci express. For a workstation for rendering or number crunching its pretty fantastic, I cant say its worth it for gaming , just stick to making this board a workhorse. It will rock games but its a hard build to do , and at the price for xeons its high.

That said , I love this board so far. Its very stable with the latest bios and supports great overclocking.

Cons: If you buy this board i would almost suggest contacting asus the same day and pay the 15 bucks to have them ship you the latest bios chip to swap into the board. It was a very frustrating build untill the bios came in , then it just worked. its been stable ever since.

Other Thoughts: dual xeon 5410's, oc to 2.8 -air cooling , ati 4870 , 4 gig ram, Xp 64

2 out of 2 people found this review helpful. Did you? Yes No

  • Reza T.
  • 1/3/2009 7:57:44 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsGood board overall.

Pros: Like everyone else, I've had some problems with my board. When I did my research for this board, there was no mention of CPU compatibility or the BIOS version. In every site, there was only good things. It is only when you have problems that you discover you are not alone..:) Because in a perfect world everything works. I had thousands of dollars worth of PC sitting on the table, and was not able to boot. That said, once contacted ASUS, I found out the Bios version was 301 and I needed the latest which was 402. Paid $50 for a new Bios to be shipped. Once that was installed, everything else was smooth. I have the system water cooled with Zalman Reserator. I'll need probably an extra radiotor, since the second CPU is running hot.

Cons: The north bridge heat sink gets a bit hot. Needs extra fans for it as well as for the RAM.

Other Thoughts: Make sure you get the CPU compatible with the earlier BIOS, if not, you'll need the latest BIOS.

2 out of 3 people found this review helpful. Did you? Yes No

  • Lowell H.
  • 12/26/2008 8:25:03 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsGood MB, use BIOS chip services

Pros: Dual Xeons in a non-server-sized case. Lots of I/O, slots for fast video and ECC ram. Just completed the build and a BIOS chip service saved me from having to return the entire MB (search for "bios chip replace"). If you order the MB, just order a version 4 bios chip from your preferred vendor and replace the factory bios chip before even starting. Running twin low-power 5420s - 8 cores for only 100 W.

Cons: Really need to have the new BIOS, version 0401, or life will be difficult. Without version 4, the MB is a brick for many CPUs that you would want or can buy. This little detail is in the fine print on the ASUS web site where they show the CPU compatibility, but seriously, not supporting an E-stepping and supporting a C-stepping of the same processor is pretty weak. Also, the ASUS forums had lots of info that was not documented anywhere in the manual.

Other Thoughts: A complex build, but I am now very happy with the results. BTW, RAID drivers for Vista 64 can be installed without using floppy drives or USB key drives. When prompted for RAID drivers, just eject the Windows DVD and browse the ASUS DVD for the RAID drivers. When done, just reload the Windows DVD and keep going. After 10 minutes, the box is ready. I'm almost a Vista fanboy after the install experience. We'll see how it goes...

2 out of 2 people found this review helpful. Did you? Yes No

  • Erin P.
  • 12/23/2008 6:00:52 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsVERY MISLEADING SPECS (part 2)

Pros: see previous review

Cons: forgot to mention in my last review--in regards to what I said about this motherboard only supporting 2 processors out of the whole 5400 series: This information was confirmed after being on the phone with ASUS customer support for an hour or two. The tech even directed me to a compatibility list on the ASUS website (a list which can only be found after much digging btw), which showed plain as day that only two processors of the 5400 series were supported and mine was not one of them (I have the harpertown 5410)

Other Thoughts: My purchase was made in June of 2008. It was returned within a week because of these problems.

As I was writing this review just now, I looked up the compatibility list on the ASUS website, and it would appear that they have since updated it to include the rest of the 5400 series, so perhaps they have finally fixed this problem??'s hard to say. My final advice is just to use caution if/when purchasing this.

1 out of 1 people found this review helpful. Did you? Yes No

  • Erin P.
  • 12/16/2008 8:10:33 AM
  • Ownership: 1 day to 1 week
  • Verified Owner


Pros: I was unable to find out the pros--the reason for which is explained in the cons--however, under other circumstances, this motherboard might have been nice

Cons: XEON PROCESSOR OWNERS BEWARE! The manual - and the description on this site when I bought it - claims that this motherboard supports the Xeon 5400 series, when in fact IT DOES NOT SUPPORT THE WHOLE SERIES; it only supports two processors from the 5400 series (unfortunately, I can't remember which ones off the top of my head). I had a harpertown 5410, and after much suffering, I ended up having to return the motherboard AND my case (the case would be too small for the new compatible motherboard)

Manufacturer Response:

Dear Valued Customer,

We are sorry for this misunderstanding, but our server board does support most of the Xeon 5400 series cpu. Please contact our Technical Support Department at and reference case number "NE289675" so that we may get more details about your system configuration and assist you in resolving these issues you are experiencing.

Best Regards,

ASUS Support Team

1 out of 1 people found this review helpful. Did you? Yes No

  • Yuriy M.
  • 12/14/2008 12:03:43 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGood, when you'll get it running

Pros: This is a good dual socket motherboard when it works... (see Cons.) It offers all the connections (USB,FereWire, etc..) you may need in the dual socket board. Most dual socket boards are server boards which do not offer some of those connections. The only board that can match this board at this time is Intel Skultrail board. This board also have two PCI-E 2.0 slots. Supports Vista Ultimate x64 without any problems. I'm using this PC for video editing and even with one CPU in it (will buy another later, saving money for it -:)), I have no problem rendering AVCHD projects. Rendering time is close to actual footage time. I don't OC my PC. It is a huge upgrade after my old P4 2.8Ghz system. I love it now.... as my struggle is over with this board.

Cons: I had to RMA two of this boards. First one came and after powering up it was freezing at POST and wouldn't even let me enter the BIOS. I sent it back to NewEgg and they sent me a new board right away. After new board installation PC powered up without any problem but I have noticed in BIOS (version 0302) that CPU is detected as 1.8Ghz (see my specs in Other thoughts). OK, no big deal... I still can OC it. Memory speed detected as DDR2 667, although advertised speed is DDR2 800. Then I have noticed that my PC would not powerr off automatically, what a heck... Windows shuts down, but fans are spinning. I had to hold power button to turn it off. In attempt to fix this I tried to change Power Options in Windows and BIOS, uninstalled Asus utilities...nothing helped. I have read some where on the net that another option to try is to reset BIOS by the jumpers on the board. Continued in Other Thoughts..

Other Thoughts: I followed the instruction in the board manual on how to reset the BIOS and after I did that my PC wouldn't boot.
I got my self in exact situation i was with the first board, can't pass the POST. I have RMA this one too. Thanks to NewEgg for those replacements with no questions asked although it was not their fault (it was ASUS issue, keep reading...), that is the way to do business, thatnks NewEgg for not hanging me dry.
Once I got the third board, I decided even not to try to fix "power off" issue and hope that ASUS will fix it with new BIOS release. And that is what have happened... Today I went to ASUS web site and saw a new BIOS release (v0401). I flushed the BIOS and all my problems mentioned above disappered. My PC powers off on shutdown now, BIOS properly detects CPU speed. So, hopfully I won't have any more problems.
My PC setup:
ASUS Z7S WS motherboard
Single Intel Xeon E5410 2.33GHz QuadCore, 2x2GB A-DATA DDR2 800, XFX GeForce 8800 GTS, ZM850-HP PSU, X-Fi Platunum

1 out of 1 people found this review helpful. Did you? Yes No

  • Joe D.
  • 10/8/2008 8:02:40 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsA lot to deal with

Pros: Despite my Average rating, I would recommend this board. For a dual xeon workstation, it's a must. Plenty of space for FB-DIMMs. Included accessories are fantastic!
Documentation isn't bad either (you will be reading the manual)

Cons: So much to discuss with this board. Do your homework! This will not be a normal build. Only buy it if you know what you are doing.

There is no extra space on this board. Long GFX cards might be able to fit them, but you won't be able to plug in the extra 12v 4-pin power connector, the IDE cable, and you might be squishing your CPU-fan connectors! Case and point, Radeon HD4870 X2. Solution: install in #2 slot, but that means no Crossfire or SLi

6 SATA plugs are adequate, but all of mine are filled - 2 Raptor drives,2 Barracudas, 1 DVD burner, and a front-case E-SATA.

Along with front-of-case connections, there is only 1 USB 10pin plug. That means only 2 front USB jacks allowed. Same story for Firewire, except you are only allowed 1 jack.
Main 24pin power and the EPS !dual! 12V 4-pin connectors are located at the very top of the board, a far reach for PSUs at bottom of case.
Final word, CPU coolers. Mods will almost always be necessary for anything other than stoc

Other Thoughts: Dual Intel Xeon E5410 2.33GHz QuadCore(stock coolers)
ASUS Z7S WS motherboard
Sapphire Radeon HD 4870 X2 (not dual, X2) 2GB
2xWD Raptor 10K 36GB SATA
2xSeagate Barracuda 500GB SATA

2 out of 2 people found this review helpful. Did you? Yes No

  • Jesse A.
  • 9/26/2008 4:12:31 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsAlmost Perfect

Pros: I am running two Intel(R) Xeon(R) CPU E5410 @ 2.33GHz, 16GB FB-Dimm, 2 Samsung 1TB Drives in RAID-1, and 1 500GB drive as a scratch disk. PC Power & Cooling Silencer 750, and an ATI 4870.

Running Windows Vista Ultimate x64 without any issues.

Cons: The placement of the SATA jacks can be a bit annoying, as well as the placement for the floppy cable.

The noise level from the CPU fans is pretty high.

Other Thoughts: The manual is very thorough and gives you step-by-step assembly instructions.

1 out of 2 people found this review helpful. Did you? Yes No

  • James C.
  • 9/3/2008 4:19:49 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsVery good

Pros: Fast, stable, booted the first time I powered it up with no problems. Support CD is excellent, has an effortless driver install program which will automatically install all the motherboard's device drivers for you. Heatpiped sinks, lots of internal connections. Much care taken in being user-friendly with the case headers and diagnostic daughterboard.

Cons: You have to use ports 5 and 6 for a RAID array if you have other internal SATA devices to put on the other 4 ports. This wasn't well-documented. The support plates kit that came with the board has no documentation, I had to figure it out on my own. There is no PS2 port for a mouse, which was somewhat frustrating since I have an old keyboard with a stick mouse on it that I use for installing new systems.

Other Thoughts: I'm not going to overclock with this board as it's being used in a server, but so far it has been a pleasure to work with. I almost gave it a lower rating due to the lack of documentation on a few points, but doesn't seem fair considering the high quality of the board.

3 out of 3 people found this review helpful. Did you? Yes No

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Item#: N82E16813131272
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