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How big of a PSU should i get for a file server with 10 HDs?

Qianglong

Qianglong

Senior member
I am building a NAS Server with Raid 5 and it has the following components:

9 X 7200 RPM IDE HD
1 X 15000 RPM SCSI

1 GB RAM
AMD Athlon XP 2200+

PCI 3Com NIC
PCI SCSI Controller
PCI IDE Raid Controller (LSI Megaraid i4)

I used the online PSU calc and it says i need 400 ~ 500 w PSU..

what do you guys think?
 
400W might be OK, but 500W gives you some margin for error.
My file server has a 500W Seasonic powering 9 hard drives and an overclocked Pentium 805D. No issues at all.

Whatever power rating you choose, make sure you buy a quality unit, especially since this system will be storing your important data.

Cheers.
 
Originally posted by: chekk
400W might be OK, but 500W gives you some margin for error.
My file server has a 500W Seasonic powering 9 hard drives and an overclocked Pentium 805D. No issues at all.

Whatever power rating you choose, make sure you buy a quality unit, especially since this system will be storing your important data.

Cheers.
Click to expand...

Welcome to AT!! 😀
 
Originally posted by: OvErHeAtInG
Originally posted by: chekk
400W might be OK, but 500W gives you some margin for error.
My file server has a 500W Seasonic powering 9 hard drives and an overclocked Pentium 805D. No issues at all.

Whatever power rating you choose, make sure you buy a quality unit, especially since this system will be storing your important data.

Cheers.
Click to expand...

Welcome to AT!! 😀
Click to expand...

Actually, I've been around a long time, just not as a poster.
Anyway, thanks very much. 🙂
 
Originally posted by: chekk
Originally posted by: OvErHeAtInG
Originally posted by: chekk
400W might be OK, but 500W gives you some margin for error.
My file server has a 500W Seasonic powering 9 hard drives and an overclocked Pentium 805D. No issues at all.

Whatever power rating you choose, make sure you buy a quality unit, especially since this system will be storing your important data.

Cheers.
Click to expand...

Welcome to AT!! 😀
Click to expand...

Actually, I've been around a long time, just not as a poster.
Anyway, thanks very much. 🙂
Click to expand...

Then welcome to posting 🙂

(get out while you still can)

OP, maybe your computer shop sells POS power supplies and that's why they're recommending a 700watt.

A high quality 500watt should be plenty if you're not making a gaming rig with power hungry videocards.
 
Originally posted by: Qianglong
I am building a NAS Server with Raid 5 and it has the following components:

9 X 7200 RPM IDE HD
1 X 15000 RPM SCSI

1 GB RAM
AMD Athlon XP 2200+

PCI 3Com NIC
PCI SCSI Controller
PCI IDE Raid Controller (LSI Megaraid i4)

I used the online PSU calc and it says i need 400 ~ 500 w PSU..

what do you guys think?
Click to expand...

Your building a real server...Get a REAL server PSU. Servers need a strong 5V rail.

http://www.buildtoorderservers.com/ > Monthly Specials > Zippy/Emacs HP2-6460P, $92.
Call the toll free number and talk to my buddy George. Hell of a nice guy, has been in the
server end of the industry for >40years.

That's a very good deal on a very good PSU. Possibly THE best for your application.
Yes, it has a thermal control on it's fan.


...Galvanized
 
Originally posted by: GalvanizedYankee
Originally posted by: Qianglong
I am building a NAS Server with Raid 5 and it has the following components:

9 X 7200 RPM IDE HD
1 X 15000 RPM SCSI

1 GB RAM
AMD Athlon XP 2200+

PCI 3Com NIC
PCI SCSI Controller
PCI IDE Raid Controller (LSI Megaraid i4)

I used the online PSU calc and it says i need 400 ~ 500 w PSU..

what do you guys think?
Click to expand...

Your building a real server...Get a REAL server PSU. Servers need a strong 5V rail.

http://www.buildtoorderservers.com/ > Monthly Specials > Zippy/Emacs HP2-6460P, $92.
Call the toll free number and talk to my buddy George. Hell of a nice guy, has been in the
server end of the industry for >40years.

That's a very good deal on a very good PSU. Possibly THE best for your application.
Yes, it has a thermal control on it's fan.


...Galvanized
Click to expand...

This link work?

http://www.buildtoorderservers.com/Prod...iewPrd.asp?idcategory=76&idproduct=576
 
For a server I'd get PC Power & Cooling. They have some of the best PSUs when you're rating expected lifetime of the components.
 
Originally posted by: cmdrdredd
For a server I'd get PC Power & Cooling. They have some of the best PSUs when you're rating expected lifetime of the components.
Click to expand...

For a server, Zippy>>>>PCP&C. The Zippy is filled with Nipponese capacitors, RubyCon
and United/Nippon ChemiCon. They are good for ten years service life. PCP&C is filled
with Teapo capacitors, good for 5 years if properly cooled.
The Enhance and Silverstone units I like so much are also filled with Teapo. 😉
Zippy warrenty claims are so low that it's laughable to even ask. Search the web and find
me one complaint about a Zippy/Emacs. I've looked for over a year and can't find one 😀

...Galvanized
 
Originally posted by: GalvanizedYankee
Originally posted by: cmdrdredd
For a server I'd get PC Power & Cooling. They have some of the best PSUs when you're rating expected lifetime of the components.
Click to expand...

For a server, Zippy>>>>PCP&C. The Zippy is filled with Nipponese capacitors, RubyCon
and United/Nippon ChemiCon. They are good for ten years service life. PCP&C is filled
with Teapo capacitors, good for 5 years if properly cooled.
The Enhance and Silverstone units I like so much are also filled with Teapo. 😉
Zippy warrenty claims are so low that it's laughable to even ask. Search the web and find
me one complaint about a Zippy/Emacs. I've looked for over a year and can't find one 😀

...Galvanized
Click to expand...


Who comes up with these names?? Gotta love what the Asain's think will make the rest of the world buy something.
 
You will be using 1.5A per drive when running normally so that's 15A of +12V set aside just for HDDs. Make sure your RAID card will stagger the drive startups as if they start all at once, there could be a 20 or more Amp load just for the drives. What Sock-A mobo are you using? One that runs the processor off the +12V rail (like my Abit KW7) may require a different type of PSU from one that runs the CPU off the +5V rail (like most other Sock-A boards). Consider the Sparkle FSP550PLG-SLI - it gives you a few more rated Amps on the +12 and a few less on the +5V than the Zippy HP2-6460P. Now I've had a 6460 here and it's a Rocky Balboa, but the Sparkle might suit your load distribution a bit better. Hard to find single-rail PSUs any more, but that is what would suit you best. Zippy goes single rail up to 700Watts with over 50A on the +12. If you have a phat wallet, that would surely do ya. Just don't grab on to the +12 leads while taking a bath - it could weld you to the faucet... 😉

.bh.

PS: ewiz.com carries the FSP550 at a decent price.
 
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