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post #1941 of 6753

Again, it's about the better build quality, quiet aspects, as well as the cable configuration.

 

SMK3 needs you to buy another cable.

XFX Pro v1 is DC'd. So you can't even get that second cable.

 

Like wise, most molex to PCIe adapters are crap.

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post #1942 of 6753
What PSU would you guys recommend for 24 non-green drives (7200rpm)? It will be used in a server that's on 24/7.
    
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post #1943 of 6753
Quote:
Originally Posted by Geran View Post

What PSU would you guys recommend for 24 non-green drives (7200rpm)? It will be used in a server that's on 24/7.

Does the system support staggered spin-up of drives? What else is in the server? ATX form factor? Budget?
post #1944 of 6753
Quote:
Originally Posted by mikeaj View Post

Does the system support staggered spin-up of drives?
All the drives will be attached to three of these (AOC-SAT2-MV8) with only the SSD attached to one of the motherboard SATA ports.
Quote:
Originally Posted by mikeaj View Post

What else is in the server?
See below:

(2) Xeon X5260
120GB SSD
5 fans
24 Barracuda HDDs
(4) 4GB ECC Register DDR2 memory sticks
Supermicro X7DWE
Supermicro SC846TQ-R900B
Quote:
Originally Posted by mikeaj View Post

ATX form factor?
Standard ATX form factor is preferred.
Quote:
Originally Posted by mikeaj View Post

Budget?
No budget as I rather be safe that I have enough power to handle all the drives at startup.
    
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post #1945 of 6753
Quote:
Originally Posted by Geran View Post


All the drives will be attached to three of these (AOC-SAT2-MV8) with only the SSD attached to one of the motherboard SATA ports.
See below:
24 Barracuda HDDs
No budget as I rather be safe that I have enough power to handle all the drives at startup.

 

Given it's a server, I doubt you give a damn about noise, but is that a factor at all? 

Also, which Barracuda drives (so we can get actual power usage figures).

 

Like wise, I'd email and ask about Staggered Spin-Up on that controller card. I searched but could not find a definitive answer about it.

 

If it doesn't support it, you're most likely going to need a 1kw unit as the drives will probably consumer 3A on start up, each. Which comes to 864w or so, of power being used just by the drives on the 12v rail. Not including the 5v rail.

 

That 5v rail may limit your selection of drives, but it still leaves solid units in the running.

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post #1946 of 6753
Quote:
Originally Posted by Tator Tot View Post

Given it's a server, I doubt you give a damn about noise, but is that a factor at all?
It isn't too big of a factor as it will be in my basement for now and then once my computer is finished it will be in my computer closest which will have sound proofing (including the door). Noise isn't at the top of my list right now.
Quote:
Originally Posted by Tator Tot View Post

Also, which Barracuda drives (so we can get actual power usage figures).
Seagate ST2000DM001. From their spec sheet, it says they pull 2.5A.
Quote:
Originally Posted by Tator Tot View Post

Like wise, I'd email and ask about Staggered Spin-Up on that controller card. I searched but could not find a definitive answer about it.
The MV8 does not support staggered spin-up.
Quote:
Originally Posted by Tator Tot View Post

If it doesn't support it, you're most likely going to need a 1kw unit as the drives will probably consumer 3A on start up, each. Which comes to 864w or so, of power being used just by the drives on the 12v rail. Not including the 5v rail.

That 5v rail may limit your selection of drives, but it still leaves solid units in the running.
I was under the assumption below...

28 drives (24 + 4 overhead) at 3A = minimum 84A PSU. Also I forgot to mention I would like for the PSU to have a single +12V rail instead of separate rails if possible.
    
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post #1947 of 6753
Quote:
Originally Posted by Geran View Post


It isn't too big of a factor as it will be in my basement for now and then once my computer is finished it will be in my computer closest which will have sound proofing (including the door). Noise isn't at the top of my list right now.
Seagate ST2000DM001. From their spec sheet, it says they pull 2.5A.
The MV8 does not support staggered spin-up.
I was under the assumption below...

28 drives (24 + 4 overhead) at 3A = minimum 84A PSU. Also I forgot to mention I would like for the PSU to have a single +12V rail instead of separate rails if possible.

 

I'd say your best bet is the Seasonic X1250. You'll need to do up some of the Molex cables into SATA ones, but that'll be the only draw back.

 

Unfortunately, no PSU comes with 28 SATA connectors.

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Samsung Spinpoint F3 1TB Samsung Spinpoint F3 1TB Western Digital Green 2TB Samsung Spinpoint M4 500GB 
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Intel X-25M G2 80GB Lite-On BluRay Drive Arctic Cooling Freezer 13 Pro Windows 7 Ultimate 
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Dell U2212HM Deck Legend Frost Tactile Silverstone Strider Plus 750w Custom Acrylic Test Bed 
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SanDisk Ultra Plus 128GB 2TB 5400 RPM  24x DVD Drive Noctua L9A 
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Samsung Spinpoint F3 1TB Samsung Spinpoint F3 1TB Western Digital Green 2TB Samsung Spinpoint M4 500GB 
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Intel X-25M G2 80GB Lite-On BluRay Drive Arctic Cooling Freezer 13 Pro Windows 7 Ultimate 
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CPUMotherboardGraphicsRAM
AMD A10-A5800K ASRock FM2A85X-ITX Radeon HD7770 1GB 2x8GB 1866mhz C9 
Hard DriveHard DriveOptical DriveCooling
SanDisk Ultra Plus 128GB 2TB 5400 RPM  24x DVD Drive Noctua L9A 
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post #1948 of 6753
Quote:
Originally Posted by Tator Tot View Post

I'd say your best bet is the Seasonic X1250. You'll need to do up some of the Molex cables into SATA ones, but that'll be the only draw back.

Unfortunately, no PSU comes with 28 SATA connectors.
Is 4A enough overhead or is that too much in your opinion?
    
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post #1949 of 6753
Quote:
Originally Posted by Geran View Post


Is 4A enough overhead or is that too much in your opinion?

 

 

I'd assume 90A peak draw at start-up. That's something most 1000w units should be able to handle.

 

In this case, I would over provision to a ~1200w unit just to keep things less dramatic on the unit.

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Samsung Spinpoint F3 1TB Samsung Spinpoint F3 1TB Western Digital Green 2TB Samsung Spinpoint M4 500GB 
Hard DriveOptical DriveCoolingOS
Intel X-25M G2 80GB Lite-On BluRay Drive Arctic Cooling Freezer 13 Pro Windows 7 Ultimate 
MonitorKeyboardPowerCase
Dell U2212HM Deck Legend Frost Tactile Silverstone Strider Plus 750w Custom Acrylic Test Bed 
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Logitech G500 Cooler Master Storm Tactics FPS Beyer Dynamics DT-990 600ohm Samson MediaOne 3A 
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FiiO E09k QOGIR FiiO E17 ALPEN Microsoft Lifecam Studio Blue Yeti Pro Microphone 
CPUMotherboardGraphicsRAM
AMD A10-A5800K ASRock FM2A85X-ITX Radeon HD7770 1GB 2x8GB 1866mhz C9 
Hard DriveHard DriveOptical DriveCooling
SanDisk Ultra Plus 128GB 2TB 5400 RPM  24x DVD Drive Noctua L9A 
OSMonitorKeyboardPower
Windows 7 Home Premium 32" IPS TV Logitech K400 Seasonic G360 
CaseMouseAudio
Cooler Master Elite 120 Advanced Logitech K400 Trackpad Custom 2.1 Home Theater Setup 
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CPUMotherboardGraphicsRAM
Core i5 3570K  Biostar TZ774XE Power Color AX5770 1GB 4x4GB 1866Mhz 9-10-9-27-2T 
Hard DriveHard DriveHard DriveHard Drive
Samsung Spinpoint F3 1TB Samsung Spinpoint F3 1TB Western Digital Green 2TB Samsung Spinpoint M4 500GB 
Hard DriveOptical DriveCoolingOS
Intel X-25M G2 80GB Lite-On BluRay Drive Arctic Cooling Freezer 13 Pro Windows 7 Ultimate 
MonitorKeyboardPowerCase
Dell U2212HM Deck Legend Frost Tactile Silverstone Strider Plus 750w Custom Acrylic Test Bed 
MouseMouse PadAudioAudio
Logitech G500 Cooler Master Storm Tactics FPS Beyer Dynamics DT-990 600ohm Samson MediaOne 3A 
AudioAudioOtherOther
FiiO E09k QOGIR FiiO E17 ALPEN Microsoft Lifecam Studio Blue Yeti Pro Microphone 
CPUMotherboardGraphicsRAM
AMD A10-A5800K ASRock FM2A85X-ITX Radeon HD7770 1GB 2x8GB 1866mhz C9 
Hard DriveHard DriveOptical DriveCooling
SanDisk Ultra Plus 128GB 2TB 5400 RPM  24x DVD Drive Noctua L9A 
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post #1950 of 6753
Quote:
Originally Posted by Tator Tot View Post


I'd assume 90A peak draw at start-up. That's something most 1000w units should be able to handle.

In this case, I would over provision to a ~1200w unit just to keep things less dramatic on the unit.
There won't be 28 drives in the server. Just the 24 HDDs plus one SSD (128GB). The reason I said 28 drives was because I was leaving myself anywhere between 8-10A as overhead.
    
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Windows 7 Professional I2757FH CAPSTONE-550-M S210-002 
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CPUMotherboardGraphicsRAM
3570k GA-B75M-HD3 XFX R9 290 F3-1600C11D-16GNT 
Hard DriveHard DriveOptical DriveCooling
VTX3MI-25SAT3-120G ST1000DM003 IHAS124-04 Corsair H55 
OSMonitorPowerCase
Windows 7 Professional I2757FH CAPSTONE-550-M S210-002 
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