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Thread: NAS Build - What PSU?

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    Default NAS Build - What PSU?

    Building a NAS/SAN. Making a custom case for it.

    ASUS P8H77-I mITX mobo
    Xeon ES 1230 CPU (possibly undervolt/downclock)
    2x8gb DDR3 ram
    6x 2TB LP drives
    Intel NetEffect Net Effect NEO20-CX4 10GB Ethernet Cluster Server Adapter PCI-E

    I would really like to make this a compact small build. So PicoPSU jumps out at me.

    Would the 160w/200wpeak picoPSU be sufficient for this? Where can I find external bricks for this?

    If not what else is out there that is small and quiet/silent?
    Last edited by Bun-Bun; 01-22-2013 at 01:11 PM.
    Yin|Gigabyte GA-Z68X-UD5-B3|Swiftech XT-> GTX240 -> DDC+ w/ Petra's|2600K @ 4.8GHz |4 x 4 GB G.Skill Eco PC3-12800|Asus 7950 DirectCUII|256 GB Crucial M4|2 x 2 TB Seagate LP(Raid-0)|Seasonic M12-700|Lian-Li PC-6077B (Heavily Modded)

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    Default

    Depends if you can use staggered spinup or not.

    If not, you got a problem as a normal HDD can use up to 2A when starting...

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    No idea if that is possible with the built in sata controller.

    I figure 120w peak load from drives and CPU/mobo should stay under 80w. So that meets the 200watt peak of the pico but 200watt peak brick?

    Full regular load I figure should be 120watt.

    I am planning to buy the hardware soonish so I could hook up the mobo/cpu to my UPS and see what its demands are.
    Yin|Gigabyte GA-Z68X-UD5-B3|Swiftech XT-> GTX240 -> DDC+ w/ Petra's|2600K @ 4.8GHz |4 x 4 GB G.Skill Eco PC3-12800|Asus 7950 DirectCUII|256 GB Crucial M4|2 x 2 TB Seagate LP(Raid-0)|Seasonic M12-700|Lian-Li PC-6077B (Heavily Modded)

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    Z77 supports it, just check over the UEFI or ask someone who has the board to check.

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    With six HDD, I do not see an advantage to a pico power supply over an SFF, or a Seasonic 360G. I believe a case like an NZXT Source 210 would serve nicely.
    Rosewill Challenger also goes on sale, i think $43 shipped just now

    This is probably an uninformed opinion.
    I realize there can be space limitations.
    Purpose built "good" little multi HDD cases tend to cost.
    ITX motherboard will be limited to one ethernet port?

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    Quote Originally Posted by Tator Tot View Post
    Z77 supports it, just check over the UEFI or ask someone who has the board to check.
    From what I can tell H77 is the same as Z77 sans the overclocking features. So if Z77 supports staggered spin-up so should H77.

    Quote Originally Posted by walterm View Post
    With six HDD, I do not see an advantage to a pico power supply over an SFF, or a Seasonic 360G. I believe a case like an NZXT Source 210 would serve nicely.
    Rosewill Challenger also goes on sale, i think $43 shipped just now

    This is probably an uninformed opinion.
    I realize there can be space limitations.
    Purpose built "good" little multi HDD cases tend to cost.
    ITX motherboard will be limited to one ethernet port?
    The reason I want to go pico is I will be building the case myself and am going for as small as possible with as little heat dump inside the case as possible.
    Yin|Gigabyte GA-Z68X-UD5-B3|Swiftech XT-> GTX240 -> DDC+ w/ Petra's|2600K @ 4.8GHz |4 x 4 GB G.Skill Eco PC3-12800|Asus 7950 DirectCUII|256 GB Crucial M4|2 x 2 TB Seagate LP(Raid-0)|Seasonic M12-700|Lian-Li PC-6077B (Heavily Modded)

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    A PSU that exhausts outside the case will put less heat into it than a Pico will, the Pico does 12V to 5V/3.3V at the ATX24P plug and puts that heat out there.

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    pico's are highly efficient though are they not? SFF PSU's are typically noisy I thought?
    Yin|Gigabyte GA-Z68X-UD5-B3|Swiftech XT-> GTX240 -> DDC+ w/ Petra's|2600K @ 4.8GHz |4 x 4 GB G.Skill Eco PC3-12800|Asus 7950 DirectCUII|256 GB Crucial M4|2 x 2 TB Seagate LP(Raid-0)|Seasonic M12-700|Lian-Li PC-6077B (Heavily Modded)

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    Maybe a Seasonic 1U unit?

    e.g.
    http://www.jonnyguru.com/modules.php...Story&reid=277

    80 plus gold, fan is off under low loads like your normal operating conditions. Then again, while under fanless operation, that might be more heat into the case than a PicoPSU because that would have the AC/DC happening outside the case. These should be really loud at anything like half and higher load, but you won't be going there, at least outside of startup potentially.

    Anyway, even say 15 watts going to waste heat from a power supply shouldn't be much of a concern compared to the six drives.

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    If I need to I can go that route. But I am really trying to keep the size of this case down. I am custom building it so pico with external brick will really help keep the size down.

    Anyone know where I can get a 160-200watt brick?
    Yin|Gigabyte GA-Z68X-UD5-B3|Swiftech XT-> GTX240 -> DDC+ w/ Petra's|2600K @ 4.8GHz |4 x 4 GB G.Skill Eco PC3-12800|Asus 7950 DirectCUII|256 GB Crucial M4|2 x 2 TB Seagate LP(Raid-0)|Seasonic M12-700|Lian-Li PC-6077B (Heavily Modded)

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