Can this PSU handle another hard drive?

lollybo

Member
Dec 14, 2005
101
0
76
I have an Ultra Xfinity 600 watt PSU, and I am thinking of adding another harddrive to my system. Can this PSU handle it? I heard the wattage on this PSU is high, but the efficiency is low.

Currently, I have:

q6600 2.4 ghz
2 gigs DDR Ram
Ip 35 mobo
1 Maxtor 300 gig HD
LG CD/DVD drive
Audigy SE sound card
8800gt

Would my system be able to support another hard drive? Thanks!
 

HOOfan 1

Platinum Member
Sep 2, 2007
2,337
15
81
Efficiency has nothing to do with how much hardware your PSU can run.
Your PSU should have enough juice to add another harddrive.
 

lollybo

Member
Dec 14, 2005
101
0
76
Dumb somewhat noobish question: how much does a PSU matter? Is it worth upgrading my mediocre PSU for a new one?

Is it just a question of heat/efficiency/longevity, or does a PSU boost performance? I keep hearing how the PSU is perhaps the most important part of a rig, but I somehow can't see that.
 

HOOfan 1

Platinum Member
Sep 2, 2007
2,337
15
81
Having a PSU that doesn't provide enough power can affect performance, as some videocards will scale down a bit if they don't get enough power. Mostly a PSU that doesn't provide enough power will cause system instability, and cause the system to crash and or reboot.

However, if you have a PSU that provides enough power for your system, then no upgrading the PSU will not affect performance at all.

Why is the PSU one of if not THE most important part of the system? Because it provides the power for all the other components to do their work, no electricity and your components don't work. Or if it provides unclean power (ripple and voltage fluctuations) then it can damage your components and cause system instability. A PSU that goes bad can also possibly damage or destroy your other components.

Yes, inefficient PSUs produce more heat, heat can shorten the life of certain components in the PSU.

Whether or not it is worth it to upgrade is up to you. The X-finity isn't the best of PSUs out there, but it isn't really horrible either. As long as it is running everything you want it to run, you should be fine.
 

HOOfan 1

Platinum Member
Sep 2, 2007
2,337
15
81
Yeah that is a decent PSU, but depending on which X-Finity you have, it might not be a HUGE upgrade. Does your X-Finity have the little red selector switch to choose between 115V and 220V?
 

lollybo

Member
Dec 14, 2005
101
0
76
I really appreciate your help, thanks for helping me sort this out.

What sort of improvement are we talking about? 20 percent? 30 percent? If so, is it worth the money?
 

HOOfan 1

Platinum Member
Sep 2, 2007
2,337
15
81
Improvement in what category?
Quality? It is hard to put a number on something like that.

Efficiency? I don't have any numbers for the Ultra, but without Active Power Factor Correction (it has that red switch which means no APFC) I would say it is no more than 75%-77% efficient. The Stealthextreme is about 82%-87% efficient. It won't save you a huge amount on electricity though. Like I said, if what you have is working for you then really it is up to you to decide the worth of an upgrade. The OCZ is capable of more power on the 12V rails though...which is the most important output on modern computers.
 

lollybo

Member
Dec 14, 2005
101
0
76
Thanks for the response. I have heard some really low numbers on my current PSU, something like 65 percent efficiency due to its heat generation. But even then, PSUs can be hard to quantify I suppose because it is like a reliable car; you can't really put a number on how much more reliable a honda is versus a ford, but based on statistics they are much more reliable and require less maintenance.

In my case, the OCZ is practically free. I can sell my old PSU for 30 bucks to a friend, newegg gives me a 12 dollar promo discount and a 30 dollar MIR, and I get free shipping so I am basically paying almost nothing for a better PSU and a free flash drive. Win win in my situation.