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Thread: Matx motherboard + Mini itx Psu ?

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    Matx motherboard + Mini itx Psu ?

    Hi all,

    Looking to build a small media center but trying to save some money by using spare parts i have laying around.

    So as the title states i was wondering is it possible to use a mini itx psu with a matx motherboard?

    Was looking at something like this:

    http://www.itx-warehouse.co.uk/Produ...?ProductID=253

    spec of system

    Abit nf m2
    Amd x2 5200
    2 gb ram
    slim dvd drive
    hard drive

    thanks in advance

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    DDY
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    Re: Matx motherboard + Mini itx Psu ?

    It'll work but you'd also need a 12Vdc 200W PSU to go with that which don't come cheap. It's much cheaper to go with a standard ATX PSU.

    Even if you did go for that power board alone (plus delivery) it still costs roughly the same as a good ~350W PSU, e.g. £33 would buy you an Antec earthwatts 380W or Seasonic S12 330W PSU.
    Last edited by DDY; 04-08-2008 at 12:37 AM.

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    Re: Matx motherboard + Mini itx Psu ?

    Just had a look for something like a laptop PSU that would deliver 12 V at 15 A - hard to find! However, although the mini PSU you linked to has a max power handling capability of 200W - you need to look at the power requirements of the mobo you are planning to use it with - if (for example) it only takes 80 Watts, then you could possibly use a 120W laptop psu with it - but it will need a bit of careful thought in the design.
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    Re: Matx motherboard + Mini itx Psu ?

    I always figure that you need a fan in there somewhere to get rid of the heat from the CPU out of the case, it may as well be a big 120mm one on the underside of a PSU.

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    Re: Matx motherboard + Mini itx Psu ?

    I use a 1u PSU in my HTPC...very quiet and compact. Its the Seasonic 250w, here: http://linitx.com/viewproduct.php?prodid=12015

    LinITX have a decent range of small PSUs, both internal and external. The 250w Seasonic is enough to power my AMDx2, 2Gb DDR2, Abit AN-M2HD etc

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    DDY
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    Re: Matx motherboard + Mini itx Psu ?

    Quote Originally Posted by peterb View Post
    Just had a look for something like a laptop PSU that would deliver 12 V at 15 A - hard to find! However, although the mini PSU you linked to has a max power handling capability of 200W - you need to look at the power requirements of the mobo you are planning to use it with - if (for example) it only takes 80 Watts, then you could possibly use a 120W laptop psu with it - but it will need a bit of careful thought in the design.
    I've built a similar system and it consumes 180W minimum! Hence suggesting a 200W PSU.

    The problem with many laptop PSUs, the ones over 120W tend to supply voltages over 12v like 19v, the PSUs which do supply 12v are very expensive, I bought a 150W one after weeks of research for £60.

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    • ZERO's system
      • Motherboard:
      • Asus Striker 2 Formula
      • CPU:
      • Intel Q6600 G0
      • Memory:
      • Ocz 4gb Pc2-8500
      • Storage:
      • 320gb western digital, 80gb
      • Graphics card(s):
      • BFG 8800GT x 2 Sli
      • PSU:
      • Thermaltake 1200Watt
      • Case:
      • Coolermaster CM690
      • Operating System:
      • XP
      • Monitor(s):
      • Cibox 22"

    Re: Matx motherboard + Mini itx Psu ?

    Thanks for the help guys, am going to look into the psu you linked s kinton seems like a better option for me. thanks again

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