is my graphics card causing lag spikes?

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LOL . 24A on +12V1 and 24A on +12V2 does not equal a combined 48A. It will be lesser than that
 
After a looking a bit more into the CIT 750 PSU, I have concluded several things.

~Firstly it is only 33 pounds, I've seen quality 500W PSUs for 50 pounds and up.
~The information panel containing the amperage rating and such DOES NOT give the total combined wattage supplied by the +12V Rail, it only provides the total combined wattage of everything which is 750W(probably a lie as well) which leads me to think they're lieng about the wattage provided and even the amperage
~The PSU is UK exclusive, not the be biased or anything, but I have never heard of CiT at all
~A Quality 750W PSU can cost roughly between 80 at 100 pounds shown here compare this to the CiT 750W PSU which is 33 pounds and you can already determine it's gonna be that cheap for a reason.
~Even if the combined total of 44A on the +12V Rail(stated on the information panel of the PSU) was true this is still very low for 750W PSU. Atleast 60A+ is pretty normal for a quality/decent 750W PSU.

In conclusion you've got a very... shitty PSU

Next time I'd suggest, before buying a cheap product find out exactly why it's so cheap
 


That'll be just fine however, don't expect to overclock with it. That PSU reaches the minimum required wattage. actually im wrong you can probably overclock just a bit
 


heres the card: http://www.scan.co.uk/products/3gb-sapphire-radeon-r9-280x-dual-x-oc-28nm-6000mhz-gddr5-gpu-870mhz-boost-1020mhz-2048-streams-dp-2x

 


ik the card, im just talking according to this: http://forum-en.msi.com/faq/article/printer/power-requirements-for-graphics-cards

but you should be fine none the less
 


Sorry to reopen this thread but will this be ok? : http://www.amazon.co.uk/XFX-P1-650S-NLB9-PRO650W-Edition-Supply/dp/B0045L5LGI/ref=sr_1_3?s=computers&ie=UTF8&qid=1388239880&sr=1-3&keywords=XFX+ATX+650
 


ill say no?
 


The titan under load uses 348W. The Core i7 4770 uses an average of 95W. you combine the SSHD and the 16GB of ram your going way beyond 450W. The so called steambox prototype is gonna experience some issues.

As for you dezzlor the 650W XFX PSU is just fabulous. I'd highly suggest it, room for OCing and such
 


Alright then, cheers dude!!
 


Yep just remember to choose the best answer, help howevers looking for this type of question
 


I dont see a button to choose best answer D:

 


U are totally wrong for 2 reasons

1. The Titan does not consume 346W. A system including the Titan consumes 346W
http://www.anandtech.com/bench/GPU14/885
Read these words carefully "Total System Power Consumption in Watts"

2. The Silverstone ST45SF-G used in the Steam Machine can actually deliver upto 580W
http://www.hardwaresecrets.com/article/SilverStone-ST45SF-G-Power-Supply-Review/1662/9

You failed from both sides

As for the XFX Pro 550W PSU, it can deliver upto 600W

 


Bloop: http://www.guru3d.com/articles_pages/geforce_gtx_titan_review,9.html

oh and how the hell am I suppouse to know what PSU the steam machine uses? it just says 450W PSU
 


Do u read articles?
"Our test system is based on a power hungry Core i7 - X58 system. This setup is overclocked to 3.80 GHz on all cores. Next to that we have energy saving functions disabled for this motherboard and processor (to ensure consistent benchmark results). On average we are using roughly 50 to 100 Watts more than a standard PC due to higher CPU clock settings, water-cooling, additional cold cathode lights etc."

Here is a more realistic bench: See the Peak bench
http://www.techpowerup.com/reviews/NVIDIA/GeForce_GTX_Titan/25.html

And how can u tell the Steam Machine is going to experience issues if u have no idea which PSU it has?
 


Lol I'm just speaking from what I see '450W Power supply'. The TDP of the GTX Titan is 251W