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Dell G821T: An Affordable 1100W Option

post #1 of 7
Thread Starter 
I am a technician at an electronics recycling company, we work on a variety of hardware including workstations and servers.

Recently my boss was scrapping server power supplies, due to the fact that they do not have enough value to be worth selling. He offered me a 1200W PSU for scrap weight value of $3. An incredible price no doubt, but the catch was that it requires 240v ac. That's a deal killer, but it got me thinking, If some of these server and workstation power supplies have such little value, maybe they could be converted for desktop use as a low cost high power option.

Through my ebay searches I found this

http://www.ebay.com/sch/i.html?_trksid=p5197.m570.l1313&_nkw=g821t&_sacat=0

411



It's an 1100W ATX Power Supply with a combined 108amps on it's 6 12v rails. It can be had for ~$50-70 without the wiring harness, and around $80-90 with the harness. It's also 80plus Silver certified.

Interesting note: This power supply has no hard wired cabling, it uses a 66 pin PEG type connector. I'm going to work up a pin out when I receive mine, which may be used to create custom harnesses.

This could be a very affordable, and customizable power supply for those who are not afraid to break out the soldering iron. I bought one today, so I'll post updates when I get it.
Edited by XPC - 4/7/12 at 11:58pm
Poison Apple
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Poison Apple
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The one Free-man
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CPUMotherboardGraphicsRAM
Core i7 3820 @4.65GHz and climbing! ASRock X79 Extreme 6 Gigabyte GTX480 1.5GB @902/1804/1848 32GB Mushkin Blackline DDR3 1600 
Hard DriveCoolingCoolingCooling
60GB Mushkin Chronos SSD Watercool Heatkiller 3.0 EK FC 480 GTX XSPC RX240 
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Swiftech MCR320 Windows 7 Enterprise 3x Samsung SyncMaster 225BW PC Power and Cooling Silencer 950W 
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Apple PowerMac G5 ATX conversion 
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Core i7 860 4.3ghz 1.44v Asus P7P55D PRO Gigabyte GTX480 1.5GB 16gb G.skill Ripjaws DDR3 1333 
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Mushkin Chronos 60GB SSD Seagate Barracuda 1TB 7200RPM HP Lightscribe DVD-RW Xigmatek Dark Knight 
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post #2 of 7
Hi,

Did you ever do the pinout on one of these?

I tested continuity between rails and it seems they are all on the same pipe, must be virtual rails.
post #3 of 7
Thread Starter 
No, I never did. My example had a high pitched hum that annoyed me too much so I abandoned the project.
Poison Apple
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The one Free-man
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CPUMotherboardGraphicsRAM
Core i7 3820 @4.65GHz and climbing! ASRock X79 Extreme 6 Gigabyte GTX480 1.5GB @902/1804/1848 32GB Mushkin Blackline DDR3 1600 
Hard DriveCoolingCoolingCooling
60GB Mushkin Chronos SSD Watercool Heatkiller 3.0 EK FC 480 GTX XSPC RX240 
CoolingOSMonitorPower
Swiftech MCR320 Windows 7 Enterprise 3x Samsung SyncMaster 225BW PC Power and Cooling Silencer 950W 
Case
Apple PowerMac G5 ATX conversion 
CPUMotherboardGraphicsRAM
Core i7 860 4.3ghz 1.44v Asus P7P55D PRO Gigabyte GTX480 1.5GB 16gb G.skill Ripjaws DDR3 1333 
Hard DriveHard DriveOptical DriveCooling
Mushkin Chronos 60GB SSD Seagate Barracuda 1TB 7200RPM HP Lightscribe DVD-RW Xigmatek Dark Knight 
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Poison Apple
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The one Free-man
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CPUMotherboardGraphicsRAM
Core i7 3820 @4.65GHz and climbing! ASRock X79 Extreme 6 Gigabyte GTX480 1.5GB @902/1804/1848 32GB Mushkin Blackline DDR3 1600 
Hard DriveCoolingCoolingCooling
60GB Mushkin Chronos SSD Watercool Heatkiller 3.0 EK FC 480 GTX XSPC RX240 
CoolingOSMonitorPower
Swiftech MCR320 Windows 7 Enterprise 3x Samsung SyncMaster 225BW PC Power and Cooling Silencer 950W 
Case
Apple PowerMac G5 ATX conversion 
CPUMotherboardGraphicsRAM
Core i7 860 4.3ghz 1.44v Asus P7P55D PRO Gigabyte GTX480 1.5GB 16gb G.skill Ripjaws DDR3 1333 
Hard DriveHard DriveOptical DriveCooling
Mushkin Chronos 60GB SSD Seagate Barracuda 1TB 7200RPM HP Lightscribe DVD-RW Xigmatek Dark Knight 
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post #4 of 7
Quote:
Originally Posted by VlaDeMaN View Post

Hi,

Did you ever do the pinout on one of these?

I tested continuity between rails and it seems they are all on the same pipe, must be virtual rails.

AWESOME!

first post is to a 22 month dead thread. thumb.gif
loon 3.2
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loon 3.2
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post #5 of 7
Quote:
Originally Posted by looniam View Post

AWESOME!

first post is to a 22 month dead thread. thumb.gif


is that... is that sarcasm? look captain obvious, no **** it's 22 mos old and look again- the original poster XPC was gracious enough to reply. now that doesn't seem like dead thread to me at all...

had i started a fresh thread, you would have probably told me to search first maybe? way to welcome me, b****.
post #6 of 7
Quote:
Originally Posted by XPC View Post

No, I never did. My example had a high pitched hum that annoyed me too much so I abandoned the project.

cool thanks for letting me know. how would you have isolated the rails?
post #7 of 7
Quote:
Originally Posted by VlaDeMaN View Post

Quote:
Originally Posted by looniam View Post

AWESOME!

first post is to a 22 month dead thread. thumb.gif


is that... is that sarcasm? look captain obvious, no **** it's 22 mos old and look again- the original poster XPC was gracious enough to reply. now that doesn't seem like dead thread to me at all...

had i started a fresh thread, you would have probably told me to search first maybe? way to welcome me, b****.

you're going to go far on this forum with this great start. wink.gif
loon 3.2
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CPUMotherboardGraphicsRAM
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Hard DriveHard DriveHard DriveOptical Drive
PNY 1311 240Gb 1 TB Seagate 3 TB WD Blue DVD DVDRW+/- 
CoolingCoolingOSMonitor
EKWB P280 kit EK-VGA supremacy Win X LG 24MC57HQ-P 
KeyboardPowerCaseMouse
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SB Recon3D Klipsch ProMedia 2.1  
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loon 3.2
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CPUMotherboardGraphicsRAM
i7-3770K Asus P8Z77-V Pro EVGA 980TI SC+ 16Gb PNY ddr3 1866 
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PNY 1311 240Gb 1 TB Seagate 3 TB WD Blue DVD DVDRW+/- 
CoolingCoolingOSMonitor
EKWB P280 kit EK-VGA supremacy Win X LG 24MC57HQ-P 
KeyboardPowerCaseMouse
Ducky Zero [blues] EVGA SuperNova 750 G2 Stryker M [hammered and drilled] corsair M65 
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SB Recon3D Klipsch ProMedia 2.1  
  hide details  
Reply
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