PSU help

[Stinger53]

Hi, what size psu do i need to go for?
for crossfire ati radion hd 6950
which would be the best, dont rly want to go above 110 might be able to stretch to 120.

thanks

 

[Stinger53]

You need a good 650w or greater PSU.

what would u suggest?

 

[Stinger53]

so would something like http://www.overclockers.co.uk/showproduct.php?prodid=CA-039-CS&groupid=701&catid=123&subcat=1084 be gd or even the 750 one

 

[Stinger53]

The corsair TX series are good PSU's. The 750w would be more than adequate for your needs

so for a build of:
Intel Core i5-2500K 3.30GHz (Sandybridge) Socket LGA1155 Processor - Retail
MSI ATI Radeon HD 6950 OC Twin FrozR III Power Edition 2048MB GDDR5 PCI-Express Graphics Cardx2
MSI Z68A-GD65-G3 Intel Z68 (Socket 1155) DDR3 Motherboard
Corsair Graphite 600T Midi Tower Case - Limited Edition White
LG BH10LS38 10x BluRay-RW / 16 x DVD±RW Lightscribe Drive - Black (Retail)
Antec Kúhler H2O 620 CPU Watercooler (Socket Intel LGA 775 / 1155 / 1156 / 1366 / AMD AM2 / AM3 / AM2+ / AM3+)
Kingston HyperX Genesis Grey 8GB (2x4GB) DDR3 PC3-12800C9 1600MHz Dual Channel Kit (KHX1600C9D3X2K2/8GX)

the 750 would run it no prob?

 

[Stinger53]

Get a XFX, cheaper and also they have a place in Northampton so you dont have to send the psu of to the Netherlands if theres ever a problem.

i've seen quite a few bad reviews about XFX tho

 

[Stinger53]

Where?

on here i think it was

 

[Stinger53]

Just once?

on one post but from different people

 

[Stinger53]

what would u suggest i go for? to make it furture proof

 

[Stinger53]

wat are the antec gamer psus like?

 

[Stinger53]

ye or 750

 

[Stinger53]

is modular the best to go for then?

 

[Stinger53]

so would the 750 be powerful enough for my build meationed above?

 

[Stinger53]

sorry another small question, is the antec 620 cpu water cooler anybetter than a air cooled one? like http://www.overclockers.co.uk/showproduct.php?prodid=HS-001-GD&tool=3or is it best to stick to the antec 620?

 

[Stinger53]

If you already have the antec kuler then it would be pointless to change.

nah, selling my old system and buidling a new one
so all new parts expect hard drive

 

[Stinger53]

are those better than the antec water cooler?
i will be overclocking the system

 

[Stinger53]

lots of people seem to be suggesting the Gelid Tranquillo CPU Cooler is there any advance of using it over a water cooler or the other way round?

 

[Stinger53]

yer does look gd.
what is the Asus P67 Sabertooth Intel P67 like? is it easy to overclock?

 

[Stinger53]

Well its got that motherboard cover that raises temperatures as airflow cant get to the IC's underneath, its missing the Z68 features (SSD caching, Lucid and quicksync) it wont be Gen3 to the second GFX slot like the MSI is. The MSI has a one touch OC button giving you an instant 4.2Ghz, its called OCGenie.

Its also more expensive. If you want something "Black" to achieve a similar effect,
http://www.overclockers.co.uk/showproduct.php?prodid=MB-360-GI&groupid=701&catid=5&subcat=1990
http://www.overclockers.co.uk/showproduct.php?prodid=MB-054-AK&groupid=701&catid=5&subcat=1990
http://www.overclockers.co.uk/showproduct.php?prodid=MB-361-GI&groupid=701&catid=5&subcat=1990

what are they like to overclock?

 

[Stinger53]

The Asrock has a feature in the BIOS called Turbo50, allows you to select from 4, 4.2, 4.4, 4.6 and 4.8Ghz and the board sorts the rest out for you (but you will still have to check for stability using prime95 or Burntest)

The Sabertooth and the Asrock both have a 8 phases VRM setup for the CPU, the Gigbayte UD3P has 12 and the UD4 has 16 just for the CPU, more phases = better as they share the load and run cooler.

Overclocking also depends on the CPU, not all can manage 5GHz etc, but overclocking the UD4 with the same CPU as when I use to use a Asrock extreme4 got higher results. The Gigabytes also recover from bad overclocks better and dont need a clearCMOS as they have dualBIOS so it can go back to the last good settings and flashing the BIOS is painless, if theres a power cut while you do it, the second BIOS takes over and re-flashes the first.

Theres also a UK based RMA center in Milton Keynes with Gigabyte with a 5day average turnaround time, saves posting a board to another country.


Edit, one more thing is theres Load Line Calibration (LLC) on the Gigabyte boards, so you can set this between 1-10 and it combats the Vdroop or can increase Vcore on the higher settings (cant remember if the Asrock has this).

so how would u overclock the ud4 for a i5 2500k?

 

[Stinger53]

what is http://www.overclockers.co.uk/showproduct.php?prodid=CA-044-OK like?