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Custom built ITX/Dual motherboard server...

post #1 of 9
Thread Starter 
Hi all,

After a long look around on the internet I was unable to come up with a cheap ITX case that could hold atleast 4 hard drives in, so i decided to attempt to build my own. Once I started building I decided to design the case to hold 2 ITX motherboards, My intel atom D525 with a pci sata card as a file server, and secondly in the hopes of eventually getting a 45/65 watt intel i7 quadcore with a pcie graphics card sometime in the future to work as a second server...

I am hoping to design the 4 hdds + PSU to be on a sliding rail to make it much easier to install and remove components as well, I'm also rather unsure as to what materials to build the case out of, I don't really want to build it out of wood... suggestions?

This is my first time using Sketch up and I'm sure no artist... just looking for peoples opinions and suggestions for improvements please smile.gif

p.s. Its no where near finished smile.gif

Also at this stage the rough dimensions of the case are... 44cm wide, 10cm tall, 36cm deep.
Edited by striker92 - 4/25/11 at 8:56pm
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AMD athlon II x4 640 3.00 GHZ Geforce 9600GT 2x4096mb Kingston (8gb total) 60gb SSD, 1TB data 
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19" V7 LCD, 2x17" Dell LCD 430 Watt Antec 80% Thermaltake Armor + 
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post #2 of 9
Very interesting.

What ITX mobo has 2 PCI-E X16 slots tho...? tongue.gif
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post #3 of 9
Thread Starter 
lol only reason I did that was I couldn't find a PCIe video card model that was low profile with a heatsink on it... just had to get measurements right for a card that uses two slots smile.gif
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AMD athlon II x4 640 3.00 GHZ Geforce 9600GT 2x4096mb Kingston (8gb total) 60gb SSD, 1TB data 
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19" V7 LCD, 2x17" Dell LCD 430 Watt Antec 80% Thermaltake Armor + 
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19" V7 LCD, 2x17" Dell LCD 430 Watt Antec 80% Thermaltake Armor + 
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post #4 of 9
Ohhhhhh. Nice work.

Airflow looks questionable tho?
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post #5 of 9
Thread Starter 
Thinking I will have 2 top mounted 120mm fans, plus I will get a PSU with a 120mm fan on the top to suck in cold air, and possibly an exhaust fan on the back... planning on using all silent fans as well.
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post #6 of 9
Quote:
Originally Posted by Philbar71;13273614 
What ITX mobo has 2 PCI-E X16 slots tho...? tongue.gif

The one with this riser?
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post #7 of 9
depending on the chip that is used for driving the PCIe bus, it might not be enough to push 2 x16 gen 2 slots for that gold finger to work. You might get two x8's outa that or two x16 Gen 1 outta it.

On the design, unless you plan to use some vibration material for the hard drives, they will lose allot of performance and can die over time being that close to a fans. I do hope you have exit path for the air line out that isn't in the drawing.

For material, use alum sheet (easy to cut), 1/2" alum angle stock and rivets. If you use .06 alum, you can get away w/ doing some 4/40 tapped holes for screws for the top cover.
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simple stuff
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CM HAF 922 
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post #8 of 9
Thread Starter 
So with regards to the fans vibrating would you say this will still be an issue when using silent low rpm fans? Also what distance between Fans - Hard drives would be considered safe to not cause damage to the drives?

As for adding exhaust fans, already in the process of doing that smile.gif

I am also considering mounting the hard drives sideways as this would most likely allow me to have a maximum of 6 hdds rather than 4... is this a good idea?
Edited by striker92 - 4/26/11 at 5:50pm
Main PC
(13 items)
 
  
CPUGraphicsRAMHard Drive
AMD athlon II x4 640 3.00 GHZ Geforce 9600GT 2x4096mb Kingston (8gb total) 60gb SSD, 1TB data 
MonitorPowerCase
19" V7 LCD, 2x17" Dell LCD 430 Watt Antec 80% Thermaltake Armor + 
  hide details  
Reply
Main PC
(13 items)
 
  
CPUGraphicsRAMHard Drive
AMD athlon II x4 640 3.00 GHZ Geforce 9600GT 2x4096mb Kingston (8gb total) 60gb SSD, 1TB data 
MonitorPowerCase
19" V7 LCD, 2x17" Dell LCD 430 Watt Antec 80% Thermaltake Armor + 
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Reply
post #9 of 9
the harmonic vibrations from a fan through the metal will cause issues when too close. I'd keep them at least 1-2in away. Any closer you should dampen either the fans or the HDD. Use Iometer for HDD performance testing then add some damping material to see if there is a difference.

I'd only add 6 drives if really needed? I'd rather have more air flow then HDD since you can always use ESATA or USB down the road.

IMO if you need that much hdd space, it would be easier to take a nice midish size tower (HAF 922/932 for example), cut the rear panel off it. Install a custom panel to allow for dual mATX IO foil and a cut out for dual slot GPU, Relocate the PSU to the 5.25" bay. You'll need to drill the stand offs for the 2nd MOBO too. Use use the 4 holes from the mATX spec. Page 10 of here, holes C, F, H, J
http://www.formfactors.org/developer/specs/matxspe1.2.pdf
simple stuff
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CPUMotherboardGraphicsRAM
Intel SB 2500k @ 4.5GHz MSI P67A-GD55 MSI TFII 6950 2GB @945/1415 2x4GB DDR3 1333MHz 
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Seagate 1tb Windows 7 64bit Viewsonic VX2450 LED Corsair GS600 
Case
CM HAF 922 
  hide details  
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simple stuff
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel SB 2500k @ 4.5GHz MSI P67A-GD55 MSI TFII 6950 2GB @945/1415 2x4GB DDR3 1333MHz 
Hard DriveOSMonitorPower
Seagate 1tb Windows 7 64bit Viewsonic VX2450 LED Corsair GS600 
Case
CM HAF 922 
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