Dell XPS 400 Want to replace 375W Power Supply with 450W PS

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marklori43
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Dell XPS 400 Want to replace 375W Power Supply with 450W PS

Post by marklori43 » Fri Dec 22, 2006 5:44 pm

Does anyone know of a Brand and Model that will work. ATI X1950 Pro calls for 450 Watt minimum and my Dell XPS 400 came with a 375W Power Supply.
Thanks :shock:
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Post by Apoptosis » Fri Dec 22, 2006 5:54 pm

Are you looking to keep the same case? If so I need to look up and see what PSU that case uses.

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Dell XPS 400 Want to replace 375W Power Supply with 450W PS

Post by marklori43 » Fri Dec 22, 2006 6:03 pm

Yes, it is less than a year old. Thanks for your help.
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Dell XPS 400 Want to replace 375W Power Supply with 450W PS

Post by marklori43 » Fri Dec 22, 2006 6:26 pm

Posted: Sat Dec 23, 2006 6:52 am Post subject: Dell XPS 400 Want to replace 375W Power Supply with 450W PS

--------------------------------------------------------------------------------
Found this information as you suggested using UL.
UL E173738
Manufacturer Newton Power LTD

Model NPS-375AB A on the sticker
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Post by Apoptosis » Fri Dec 22, 2006 9:03 pm

Isn't the XPS 400 a BTX computer? If it is I'm not sure what to tell you as I've not built or messed with BTX computers. I can't believe Dell put a 375W PSU in computers they sold in 2004-2006... It's insane and they have no upgrade path listed... Gotta Love Dell

I guess you need to find out if you have an ATX or BTX system and then figure out if a regular PSU will mount in the case (meaning has enough room).

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Post by marklori43 » Fri Dec 22, 2006 9:17 pm

I know, another way to cut costs for them at our expense later. That picture you had be look at looks like mine, cables exiting in the same 2 areas.
What is ATX or BTX system. Willlooking inside help identify which one I have?
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Post by marklori43 » Fri Dec 22, 2006 9:22 pm

System Type: XPS/Dimension 400/9150
Ship Date: 3/3/2006
Dell IBU: Americas



Quantity Parts # Part Description

0 149DF INFORMATION, PREPARATION MATERIAL, DEVIATION, PRECISION WORKSTATION, INCREASE, #2
1 W9441 PROCESSOR, 80551, PENTIUM D SMITHFIELD FOR DESKTOPS, 820, SKT-T, MALE
1 C8639 KIT, MOUSE, UNIVERSAL SERIAL BUS, 2BTN, OPTICAL, LEAD FREE, LOG
1 J4628 KEYBOARD, 104, UNIVERSAL SERIAL BUS, UNITED STATES, ENTRY, LEAD FREE, LITEON
2 F6761 DUAL IN-LINE MEMORY MODULE, 512, 533M, 64X64, 8, 240, 1RX8
1 Y9714 CABLE, POWER, 6P, AUXILIARY, Serial ATA, MATRIX,SMITH,MINI TOWER, 2.0
1 DC094 ASSEMBLY, CABLE, Serial ATA, OPTICAL, MATRIX,SMITH,MINI TOWER
1 RF660 ASSEMBLY, DVD+/-RW, 16X, NEC CORPORATION, CHASSIS 2005, Serial ATA
1 X8579 ASSEMBLY, DIGITAL VIDEO DISK DRIVE, 16X, HALF HEIGHT, SONY, CHASSIS 2005, LEAD FREE
1 R9239 KIT, SPEAKER, 12V, AS501, NMB
1 Y8365 CARD (CIRCUIT), GRAPHICS, X300, SERVER ENHANCED, MRMGA9A
1 8D048 HARD DRIVE, 80GB, S2, 7.2K, 8MB, LEAD FREE, HIT-PD
1 CD940 KIT, SOFTWARE, WORDPERFECT, 12, PLUS-TRIAL
1 RG240 KIT, SOFTWARE, MCAFEE, 7, COMPACT DISK DRIVE, ENGLAND/ENGLISH
1 C0646 DISPLAY, FLAT PANEL DISPLAY, 20, DUAL, 2001FP, MIDNIGHT GRAY, DELL AMERICAS ORGANIZATION
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It is a BTX Case

Post by marklori43 » Fri Dec 22, 2006 9:39 pm

The XPS 400 chassis is notable for two reasons: First, it’s a BTX case that opens up on the right side, not the left like most ATX solutions. Second, one of the ways the case gets ventilation is through a two inch “gapâ€
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Post by Apoptosis » Fri Dec 22, 2006 10:37 pm

I'll be honest I'm not sure what you can do with that since it's BTX.... you need to call dell or find a dell expert to help you out on this one. I'm sorry I can't be of help.

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Re: Dell XPS 400 Want to replace 375W Power Supply with 450W PS

Post by jcotton » Fri Jul 17, 2009 1:04 am

I reserched around and some ppl said you can install other ps's in dells, some other ppl said you can't. I have a xps 400 installed a 9800gtx+ ran it for a few days with dell factory ps of 375 ran fine a lil lag sometimes. I came across a pic of a coasir I think 450w atx ps installed in a xps dell. I also came across a couple of guys saying any atx ps will it into xps 400. So, I purchased a cosair tx850w atx ps, now I know for sure that it's a btx box. I checked with everest ultimate, plus I heard it around the net. I installed the atx 850w ps with no issues it fits fine. It is a little longer than the dell ps, but it doesn't effect anything. I have also posted a link of the atx ps in my xps dell 400. This would lead me to the conclusion that you can fit and atx ps in a dell xps 400. Hope this helps ppl, I was helped around the net too. However, after hours of searching there was no certain answer aside from actully seeing a pic of a atx ps in a dell xps 420 I think. So, I made the dive no issues.


here is the link to my dell xps 400 with a cosair atx ps tx850w installed ready to go
http://i43.photobucket.com/albums/e395/ ... 7-0017.jpg

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Re: Dell XPS 400 Want to replace 375W Power Supply with 450W PS

Post by bubba » Fri Jul 17, 2009 6:47 am

Any new 24 PIN PSU will work with a BTX board. Back when BTX first showed up they were the only ones using the 24pin main connector, ATX was still 20 pin. Now they both (ATX and BTX) use the same power connector.

So yes one like this http://www.newegg.com/Product/Product.a ... 6817139003 will work in your system. Now I have a Dell BTX system on my desk there is next to no extra room in the case so I would look for a modular PSU like this http://www.newegg.com/Product/Product.a ... 6817139001 its a little more then you are needing, but the modular cables will make it easier to get in the case.
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Re: Dell XPS 400 Want to replace 375W Power Supply with 450W PS

Post by DMB2000uk » Fri Jul 17, 2009 6:57 am

Holy thread revival batman! :shock:

Lets hope your post can now help future googlers looking to upgrade their XPS.

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Re: Dell XPS 400 Want to replace 375W Power Supply with 450W PS

Post by bubba » Fri Jul 17, 2009 8:20 am

man I need to read a little closer until I get some caffeine in my system LOL
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Re: Dell XPS 400 Want to replace 375W Power Supply with 450W PS

Post by Athlonite » Sun Jul 19, 2009 5:06 am

well isn't BTX just and upside down form of ATX you theoretically should be able to install any ATX hardware into an BTX case as it just flips the kit upside down pretty much as if you were to take an ATX case and flip it over making the top the bottom and the bottom the top least thats how it always looked to me
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Re: Dell XPS 400 Want to replace 375W Power Supply with 450W PS

Post by jedi423 » Sun Aug 02, 2009 9:04 pm

I've also got an XPS 400 and was looking to get a new PSU so I can upgrade the video card to a 9800GTX+. I think this one http://www.newegg.com/Product/Product.a ... 6817139002 will fit, but I wanted to be sure before I bought. I also wanted to know if the http://www.newegg.com/Product/Product.a ... 68141303399800GTX+ will fit for sure. I think it will, but if anyone knows for sure one way or another, please let me know.

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