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Mini-ITX powersupply

post #1 of 3
Thread Starter 
I am building a Atom cpu based router using one of the Linux router apps,I ask is this the way to go for a power supply (seems to have limitations other than wattage and cabling,wattage is not an issue)
http://www.logicsupply.com/products/picopsu_80wi
I think I am just going to go with a Corsair 430WV2 for 25.00 after mail in rebate. The case I am using is a mini-ITX case so there is room for the power supply. Now I know we will be dealing with overkill but if I ever take this router down I can use the power supply in a desktop PC. Can anyone say a few words for these really small power supplies? are they liked because they are fanless or low power consuming (sure are expensive). One final thing,how about some AV,networking,intrusion prevention,spyware/adware blockage open source apps for me to put on this project.This project is mainly to get me to do some real work with Linux.I put the thread in power supplies as that is my main question.
WC Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-930@4.05GHz ASUS P6X58D-Preminum XFX GeForce 275 896mb 6GB Corsair TR3X6G1600C8D 
Hard DriveOptical DriveOSMonitor
WD 150gb Raptor LightScan Win 7 64-bit Acer 22" 
KeyboardPowerCaseMouse
G15 Corsair HX620W Antec 1200 several various 
Mouse Pad
none 
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WC Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-930@4.05GHz ASUS P6X58D-Preminum XFX GeForce 275 896mb 6GB Corsair TR3X6G1600C8D 
Hard DriveOptical DriveOSMonitor
WD 150gb Raptor LightScan Win 7 64-bit Acer 22" 
KeyboardPowerCaseMouse
G15 Corsair HX620W Antec 1200 several various 
Mouse Pad
none 
  hide details  
Reply
post #2 of 3
The itx PSU are the best choice for a low power Atom PC imho. I had a 120W 12-24V ITX PSU coupled with a 120W 19V brick and it ran like a tank for two years, it probably still works now @the guy I sold it to.
The plus are: it's silent, small and efficient. A 120W ITX w/ 120W brick can power a full ATX office PC based on a 65W CPU and IGP. 80W would limit you to 20-30W CPUs like AMD's E-350.
The minus: it can heat up quite a bit, needs airflow; it's not like they need fans on top of them, but they shouldn't be stuffed in a non-ventilated part of the case. Secondly most of the wattage isn't on +12V (like on ATX PSUs) so you must find the exact specs to make sure the PSU you're buying has enough Amps on the +12V rail. For an Atom/E-350 build this is not an issue, but if you want a Core i3 or Llano build the +12V amps become the limiting factor, not the overall wattage.

My take: for an Atom build ITX PSUs are ideal, for low power ATX builds they can be good but take a good look at the +12V Ampere rating.

*EDIT: here's an ITX PSU roundup, there are some interesting finds most confirming what I've already said.
Centurion
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 940 @3.3GHz 1.25V Gigabyte 790X-DS4 XFX 5850 8GB OCZ DDR2-800 
Hard DriveCoolingOSMonitor
Corsair Force 3 TRUE Win 7 Pro x64 ACER 23" TN  
PowerCase
400W Silverstone Strider Antec P182 
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Centurion
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 940 @3.3GHz 1.25V Gigabyte 790X-DS4 XFX 5850 8GB OCZ DDR2-800 
Hard DriveCoolingOSMonitor
Corsair Force 3 TRUE Win 7 Pro x64 ACER 23" TN  
PowerCase
400W Silverstone Strider Antec P182 
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Reply
post #3 of 3
Thread Starter 
drago,thankyou for all the good info on a power supply type you do not see very much,+rep
WC Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-930@4.05GHz ASUS P6X58D-Preminum XFX GeForce 275 896mb 6GB Corsair TR3X6G1600C8D 
Hard DriveOptical DriveOSMonitor
WD 150gb Raptor LightScan Win 7 64-bit Acer 22" 
KeyboardPowerCaseMouse
G15 Corsair HX620W Antec 1200 several various 
Mouse Pad
none 
  hide details  
Reply
WC Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-930@4.05GHz ASUS P6X58D-Preminum XFX GeForce 275 896mb 6GB Corsair TR3X6G1600C8D 
Hard DriveOptical DriveOSMonitor
WD 150gb Raptor LightScan Win 7 64-bit Acer 22" 
KeyboardPowerCaseMouse
G15 Corsair HX620W Antec 1200 several various 
Mouse Pad
none 
  hide details  
Reply
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