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Item#: N82E16813182177

SUPERMICRO MBD-X8DAH+-F-O Dual LGA 1366 Intel 5520 Enhanced Extended ATX Dual Intel Xeon 5500 and 5600 Series Server Motherboard

  • Dual LGA 1366
  • Intel 5520
  • 18 x 240pin
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Learn more about the SuperMicro MBD-X8DAH+-F-O

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 3 years

Customer Reviews of the SuperMicro MBD-X8DAH+-F-O

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  • Joe C.
  • 10/14/2013 9:45:05 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsVery stable

Pros: Very stable for 7 months running Win Server 2003 64-bit. Never a need to reboot or even pay much attention to it. Plenty of memory expansion, and I'm only using 1 CPU (Xeon E5620). Will buy another for VM's, using more RAM and dual CPU's now that I know this board is fast and solid.

Cons: Yep, it's a HUGE motherboard. Fits well in SM CSE-836TQ-R800B case.

Other Thoughts: I'm using an Adaptec 6805 raid controller with flash module, to WD Velociraptor drives for a file server with success. Also using WD black HD's for the O/S and software, and WD red drives for online backups. Intel BXSTS100A CPU cooler. I have several of the case fans plugged into the motherboard and luckily have not experienced issues.

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

  • Thierry T.
  • 12/4/2011 10:04:10 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggscorrection

Pros: fast, stable, RAM Capacity

Cons: no CPU Temps with IPMI

Other Thoughts: Since I can't edit my previous review which erroneously states that CPU voltages are missing in IPMI output, with BIOS 2.0c (08/27/11) IPMItool will report CPU voltages but not CPU temperatures.

CPU1 Temp | 0 unspecified | ok
CPU2 Temp | 0 unspecified | ok

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

  • Thierry T.
  • 11/30/2011 11:49:15 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSuperb

Pros: can support dual 5620's for 8 cores and 16 threads. Supports 192 GB RAM or 288 GB (at 800 Mhz).

Cons: as purchased minor issues with IPMI reporting observed (no CPU voltages). Have not had time to investigate if a BIOS upgrade will address this. IPMI does report RAM voltages, etc. for remote hardware monitoring.

Other Thoughts: This is an incredible stable and well performing server board that has functioned flawlessly since installation in a SUPERMICRO CSE-836TQ-R800B Black 3U Rackmount Server Case with 12 GB RAM and 14 SATA drives. I highly recommend this board and case combination.

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

  • Jason B.
  • 10/5/2011 11:40:27 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsExcellent motherboard

Pros: Ability to add so much cheap ram. Very big board - easy to route cables around. Very reliable.

Cons: Big board - cabling is an issue. Fan headers are an issue - please see other thoughts

Other Thoughts: There is some other feedback about someone plugging in fans into the motherboard and the machine acting sluggish. I can verify that this happened. I purchased the CSE-825TQ-R700LPB Black 2U Rackmount Server here as well. Supermicro Case & Supermicro Motherboard - what could be better. So after reading that post about sluggish behavior, I emailed Supermicro's tech support and they said I could plug the 3 case fans into the motherboard headers. The machine was extremely sluggish and nonresponsive. Plugged them into the power supply and all my issues went away.

Do yourself a favor and plug them directly into the power supply and eliminate a possible problem. I don't know if is the high amps, or what, but it was really bad.

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

  • Walter B.
  • 9/2/2011 2:40:14 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsIOH > 100C = OK?

Pros: Accepts up to 18 DIMM's (144GB)
7 PCIe slots (2 x16, 4 x8, 1 x4)
8 Fan Connectors
IPMI 2.0

Cons: Non-standard form factor (not EATX as advertised)
No SATA 6.0Gb/s ports
No USB 3.0

Other Thoughts: If you flash the board to BIOS R2.0b you will lose the ability to monitor the IOH temperatures. I called SM tech support and was informed that they had intentionally removed the IOH temperatures monitors by request of Intel. Evidently, under normal operations, the IOH temperatures can exceed 100C. This was confusing to end users as they assume there was insufficient cooling. I can not find any documentation to back this up, so I will have to take SM's word on it?

Also, if you have a HAF X RC-942, do not plug the large 140mm + fans from the case into the on-board fan connectors as this will cause the system to slow down and become unresponsive.

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

  • Omar B.
  • 8/15/2011 5:58:06 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsBig Motherboard

Pros: It has a lot of room for ram and it works.

Cons: You need to make sure you have the right case for it. I managed to fix this into a E-ATX case by drilling new holes in the case. I'm not sure if the case had sufficient cooling though because they two IO controller hubs would get up 95 degrees Celcius without small spot coolers on top of the hubs. I'm not sure why the hubs run so hot. Maybe it is because I have 36 gigs of ram (2x18) installed.

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  • Thomas M.
  • 6/30/2011 11:04:15 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsOverall good, but few complaints

Pros: Really? Pros? What's not to say - with 6 core HT xeons your server think's it's got 24 CPU's - you can load it down with 144 GB of memory with 8 gig sticks. It's got sound, graphics, dual network, an ILO board, craploads of pcix slots, ich10r controller...

Cons: A few
1) it's HUGE - i can confirm it will fit in the COOLER MASTER HAF 932 case with minor modifications (bend two tabs at the top meant for holding a water cooler down and drill two holes up there for mounting screws) but even then just barely.
2) IOH location, there's 2 and they're right behind the PCIx slots - they've got cheap passive heat sinks and they get hot as hell (like 190 degrees). I've put two 30mm fans on both (they thoughtfully included nearby fan headers that seemed to be intended for IOH fans) and they run <100 degrees now. I'm focusing on this for two reasons - it's bad design in general, but it basically precludes you using almost half of the PCIx slots with a card that's any longer than the edge of a x16 slot. The heatsinks that are there are the same height as the slot so if you put a fan on them, the fan will hit the card, and you wouldn't want to put a card over the IOH's because it causes them to overheat and lock the machine. -continued in other thoughts

Other Thoughts: 3) there's like a million fan headers on this board but SM didn't put enough power regulation on the board to run them properly. I found when i plugged the giant fans included in the HAF case onto the motherboard, the computer would periodically freeze. I went round and round trying to figure out what that was, thinking i had it licked a number of times, but that's what it is. Don't use the on-board fan headers for anything other than the CPU fans and IOH fans if you add them

Other Thoughts - the ILO is really cool, but if you add a different video card, it won't show you the screen. Kind-of obvious but worth noting. This MB makes a great Virtual host, no question, and there's really not anything else like it available - just wished SM spent a little more thought and money around the IOH cooling and power distribution to the fan headers. Even with the problems I've had, 4 stars. - Oh and it works with the Revodrive x2 240GB like a champ, just put it in the bottom slot.

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

  • Thierry T.
  • 3/22/2011 8:20:10 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsOutstanding board!

Pros: This is an incredible board: fast, solid, stable and reliable. It has built-in IPMI which yields a wealth of information about hardware health remotely (LAN). I think it's hard to go wrong with this board for a server build.

Cons: none (save perhaps that I can't get CPU temps via IPMI using ipmitool but that may be fixed with a BIOS upgrade)

Other Thoughts: Great if you use it with a case that accommodates it: SUPERMICRO CSE-836TQ-R800B Black 3U Rackmount Server Case
be sure to order the proper CPU heatsinks (no heatsinks are provided with this board nor with the Retail Xeon CPU's): SUPERMICRO SNK-P0038P CPU Heatsink for Xeon Processor 5500 Series
Build was with two LGA 1366 E5620 Westmere Xeon's
12 GB RAM (6 x 2GB): Crucial 2GB 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10600) ECC Unbuffered Server Memory Model CT25672BA1339
disks: twelve SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM SATA

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

  • Brian T.
  • 12/10/2010 6:29:31 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat board for case modders

Pros: 2 procs, lots of built in USB ports, mostly good layout and TONS of expansion room. It makes a brilliant overall workstation/remote render box.

Cons: This board is going to take work to fit into your normal case. I put it in the 800D and as expected had to drill a few holes for it. The part that caught me offguard was that the 24 pin slot is near the top while the PSU in the 800D is situated near the bottom. My CM Silent Pro Gold just couldn't reach using the back panel cable management. A bit of dremel work and my cable length problems were solved though...

Also, the IOH get's a bit hot at peak load in the 800D with a modern full sized graphics card blocking the air flow around it. I ended up having to cut into the acrylic for a 20 cm fan when the built in 120 and 140mm fans couldn't get the air where it needed to go. This is more a case issue and not the board but worth mentioning.

Other Thoughts: One of the usb slots on the board is an actual USB slot (not the pins where you plug in your front panel.) Not a con since it already has 6 built into the back panel but this made it so I couldn't get ALL of my front panel usb's plugged in.

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

  • Jon S.
  • 12/10/2010 11:48:11 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsHuge, but fits like glove into 2U rackmount case

Pros: - reliable and fast
- CPU heatsink brackets built into motherboard
- plenty USB ports
- dual NICs
- worth the price if you need a server

Cons: - Instructions are somewhat helpful but too generic with one-size-fits-all approach that covers multiple mobos with not enough detail
- Flimsy I/O plate (not a big deal, just annoying)
- would have preferred 8 SATA ports instead of the 6 provided (had to buy an Areca ARC-1220 to make use of all 8 slots in the 2U chassis)

Other Thoughts: This is my third Supermicro server build. Recommend using this in a Supermicro case. Large but fits perfectly into CSE-825TQ-R700LPB. Also purchased two SNK-P0038P heatsinks from Newegg. Heatsinks screw directly into motherboard, no need for a back plate as it is integrated into the PCB.

Supermicro, why multichannel audio in a server board? I would have preferred USB3.0 or more network ports. I use these in a datacenter, have no use for audio at all. The workstation crowd could always add a high-end audio card if they needed more than stereo. Just nit-picking.

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

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Item#: N82E16813182177
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