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I got a PSU of 300 watts and i want HD radeon 5670... Can i do that ?

( my english suck sorry and i got 2 question )

Soooo, some place here i saw that a PSU of 400w is not really THAT important. And i try to use the "PSU calculator" and it's confuse me.

My PC is a HPE-400f

here my spec ( from steam program )

Processor Information:
Vendor: AuthenticAMD
Speed: 3000 Mhz
4 logical processors
4 physical processors
HyperThreading: Unsupported
FCMOV: Supported
SSE2: Supported
SSE3: Supported
SSSE3: Supported
SSE4a: Supported
SSE41: Unsupported
SSE42: Unsupported

Network Information:
Network Speed:

Operating System Version:
Windows 7 (64 bit)
NTFS: Supported
Crypto Provider Codes: Supported 323 0x0 0x0 0x0

Video Card:
Driver: ATI Radeon HD 5400 Series

DirectX Driver Name: aticfx32.dll
Driver Version: 8.782.0.0
DirectX Driver Version:
Driver Date: 28 Sept 2010
Desktop Color Depth: 32 bits per pixel
Monitor Refresh Rate: 60 Hz
DirectX Card: ATI Radeon HD 5400 Series
VendorID: 0x1002
DeviceID: 0x68f9
Number of Monitors: 1
Number of Logical Video Cards: 1
No SLI or Crossfire Detected
Primary Display Resolution: 1920 x 1080
Desktop Resolution: 1920 x 1080
Primary Display Size: 26.65" x 15.00" (30.55" diag)
67.7cm x 38.1cm (77.6cm diag)
Primary Bus Type Not Detected
Primary VRAM: 512 MB
Supported MSAA Modes: 2x 4x

Sound card:
Audio device: Haut-parleurs (P�riph�rique Hig

RAM: 8191 Mb

UI Language: English
Microphone: Not set
Media Type: DVD
Total Hard Disk Space Available: 953766 Mb

QUESTION 1 : ( Anwsered by jyjjy thx again !!! ) So, if i just change my video card ( Radeon 5450 :S.. xD ) for the 5670. Does my PSU will survive and make it work ???? or i need to buy a new PSU ?.... :(

On the official website, they said i need 400w for my 5450, but i dont have that and it work, so im confuse a loooot ( and why HP would make it unable to work ??? )

QUESTION number 2 :

I lovvvve the 6870 radeon hd.....

If i dont have a PCI express 2.1, can i buy a 6870 Radeon HD OR i need a new Mobo ? ...

If i dont need a need Mobo.

Does any Power supply will work on my crappy motherboard ???? if it's 500w and more + it's from a good compagny??? ( corsair, antec, seasonic ( thx to jyjjy ) )

In other way, could i get a 6870 working on my HPE-400f ????? Without buying a new Motherboard !!!

Thx and sorry for all confusion and bad english happy new years xD
27 answers Last reply Best Answer
More about watts radeon 5670
  1. The HD5670 or any card without an external power connector should work on most 300w power supplies. The HD5670 is really meant to be used at lower resolutions than you are using though. If you can afford it then replacing the power supply and going with a better card like the HD6850/70 or GTX 460/70 is a good idea.
  2. Does any power supply should work ???
  3. I'm not sure what you are asking.
  4. and i add, i normallly play on ???? x 720 resolution. 1080 is just my "non-gaming" mode.

    loll my english rushhhhh
  5. For low resolutions like 720p the HD5670 will be quite good.
  6. And for PSU, does any 20 pin connector with 2 6-pin connector will work ?

    i only have 1 HDD and 1 CD/burner drive combo too. and maybe 1 extra fan. ( in resume, does most of PSU got all the wired needed ? if i know i want a 6pin and 20pin i will be good with other wired that i dont know the name ? ( for CD drive and HDD and other.

    I'm ultra noob sorry and the 6870 look nnnnnnnnnnnnnice.
  7. If you are talking about a power supply for the HD6870 then I would recommend a 500w or above PSU from a good brand like Corsair, Antec or Seasonic.
  8. cool thx and do i need to know more info before buying a PSU?

    I know that i need 20 pin connector for my motherboard and 2 times 6-pin and 500w.

    I just saw somethings talking about "rails" or i dont know...

    And sorry, maybe i will post this question in the PSU section. But i just would want a new psu for the swett 6870 !!! ( i saw it play dirt 2 and i wannnnnnnnnnnnnnt it noooooowwwww xD )
  9. If you use one of the brands I mentioned any 500w+ PSU should handle the HD6870 fine.
  10. THX !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Now i know my possibilities !

    But i dont know finally if the 6870 would fit in my pc :S ( i got a HP elite and the mobo suck :O )

    Only 1 spot for the video card i dont know if the double 6870 would fit right in :(

    Damn gaming on pc can be complicateddddd...

  11. Well if there is an empty slot below the PCI-E x16 port then a dual slot card should fit. The length of the card fitting in the case is another question. The card isn't too long, slightly under 10" usually. Measuring to be certain is a good idea. If necessary you could get a new case for fairly cheap.
  12. Is your HP elite a small form factor or a tower model? (they both exists)
    You can post your full model name then we can find out.
  13. My HP elite is the tower model.

    And, i got a empty space, but its seem to being ABOVE the slot...:S...

    Like, if the empty space need to be below... i can't have that card :S....

    And i have only 1 slot PCI :(


    I got HPE-400f

    Sooooo, PSU upgrade and the 6870 would be nice on my machine ???

    And does PCI express x 16 mean i can't use video card that need PCI express 2.1 or 2.0 ?....... :(

    DAMN i hate my pc now.....
  14. I edited my first post and try to be more clear.

    lol i really want that 6870 :O lol
  15. PCI-E 2.1, 2.0, and 1.0 are all compatible with each other.

    The 6870 will take up 2 slots, the one where the Pci-E x16 slot is, and 1 space below it.
  16. goood and about the PSU.

    Does just any good PSU with 500w will really work for my motherboard for the HPE-400f.

    I'm scare of buying it, then see the some wired is missing :O.

    But i admit if my bad 300w got all wired, surely a good 500w will have all the cords for my motherboard, dvd-cd/burner, fan, etc etc...

    And i look in my PC. and there is space about the PCI slot, and if the picture of the card are not ( mirror ) i think i will work ! Unless it's always below ( but i dont think so, it surely depend if your mobo is on the left or right ? )

    But on the "free space" they are some little transistor or i dont know... Does the space need to be 100% flat ?????? Like that card will be very close at the Motherbother ( yeah, maybe it's a dumb question, im that much noob xD in PC hardware ).

    ANNNND a other question xD, does my CPU ( phenom ii x4 945 ) is enough for the radeon hd 6870 ????

    or the 5670 would be the best bet ??

    xD sorry for my english again

    And thx for all the response ! i will use all these info for my next buy !
  17. As long as it's a good brand, 500 watts will be plenty.
    If you're worried about wires, get a modular PSU. It will allow you to only use the wires you want to, and take the rest out of the case & psu.

    The Phenom II x4 945 would work great with a 6870.
    It would be bottlenecked by the 5670 though.

    The english isn't that bad by the way.
  18. Damn now Jaguar hype me up for 6870 and down for 5670 lol...

    But now i understand more and it look less complicated. And about the wires, i worry to need more maybe ? But if my bad 300w have these wired, 500w should have the same and more.

    Card readers and fans are 4pin connector right ??? ( my pc got these things ) and CD drive too ?
  19. This is supposedly your motherboard;
    The card would go in the long black slot(PCI-E x16) on the left side and cover the smaller black slot(PCI-E x1) to the left of it.
  20. jyjjy said:
    This is supposedly your motherboard;
    The card would go in the long black slot(PCI-E x16) on the left side and cover the smaller black slot(PCI-E x1) to the left of it.

    YEAH ITs THAT !!!!!!!!

    The silver things will be couverted too ( that thing i was worry ) its not problem too ? surely not you would tell me ?

    and for my PSU i'm aiming for this one

    CORSAIR CMPSU-550VX 550W ATX12V V2.2 SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible with Core i7 Power Supply

    Good choice for my motherboard and cpu and gpu and all things i dont really know ? xD

    and i add, it will fit in my HPE tower right ? xD or i need to measure it up before ? ( i guess all PSU are the same almost ? )
  21. Best answer
    That's a very nice PSU. It will certainly do the job.
    The card should have no problems with that motherboard.
  22. THhhhhx alll !!!!!! I dont know if it will give "point" but i will give my best answer to Jyjjy !!!

    Thx to all !!!! I will maybe come back here before install it or buying it ! ( double check xD )

    oupss and all PSU are the same size right ? xD ( i already see myself receive the PSU and it's too big for my tower xD )

    but i got a big tower it should be ok :P
  23. Best answer selected by freequebec86.
  24. I'm fairly certain HP uses standard form factor power supplies in their non-slim/small cases so it should fit fine.
  25. suuuuper duper !!!

    i will put the 100$ for that PSU and get the sexy 6870 :D::D:D:D:D

    i get wwwwwwwwwwait to play Total War series on that !!! i just bought the empire-napoleon bundle on steam for 20 the other day :D
  26. This topic has been closed by Mousemonkey
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