Computer upgrade question

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Computer upgrade question

7 comments, 253 views, posted 11:18 am 15/11/2011 in Hardware by LtHorn46
LtHorn46 has 155 posts, 39 threads, 0 points
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I have bought and put together a new system.
Parts used
Gigabyte 880GM-D2H AMD 880G Socket AM3 Motherboard
AMD Athlon II X4 640 3Ghz AM3 CPU
2x ADATA Premier Series DDR3 1333 4096MB
DIABLOTEK CPA-0280 ELITE ATX MID TOWER
Hard Drives
Main drive - Western Digital WD5000AAKS-65YGA0 500GB, 7200RPM, SATA
Secondary drives
Western Digital WD10EADS-00M2B0 1TB, 7200RPM, SATA
Seagate ST1000DL002-9TT153 1TB, 5900RPM, SATA
Connected to a VIA VT6421 Raid controller
Maxtor 120G IDE
Maxtor 200G IDE

Right now I'm using the onboard Radeon HD4250, I will be purchasing HIS Radeon HD 6770, listed HERE

The question I have is should I upgrade my PSU at the same time.
Here are the specs on my current power supply
Power: 450 Watt
Fan: 120mm Fan
+12V Rail: 1
Input Frequency Range: 60/50Hz
Input Current: 8A @115VAC, 5A @230VAC
Input Voltage: 115/230V
Output:
+5V: 20A
+3.3V: 20A
+12V: 30A
-12V: 0.5A
+5VSB: 2.0A

Any suggestions or advice is greatly appreciated.

Comments

[1]

12:37 pm 15/11/2011

Edorph

I think this is fairly borderline.. if it's the Diablotek PSU, I'm not sure I'd take the risk. If it's a quality PSU, I wouldn't worry, they can usually handle peaks significantly above their spec.

The estimate at http://educations.newegg.com/tool/psucalc/index.html gave me 555W for the components you list, but I usually find them to overly err on the side of caution.

I'm using a 450W Corsair PSU for a mid-range 4-core i5 system with a 560GTX graphics card, but with only two disks. Your GPU is less power hungry, but then again you have more disks. If you're worried, borrow someone's electricity-outlet-measurement thingy and try without all the disks first.

All that being said.. overloading a PSU is no fun, as it's not just the PSU itself you risk frying.

12:57 pm 15/11/2011

LtHorn46

That's what I was thinking, I just wanted an opinion or 2 beside my own.

2:00 pm 15/11/2011

z0phi3l

You might not have a choice but to replace the PSU, do you have all the connectors needed for the video card? Made that mistake once, good thing my local Staples had a sale on a good PSU that fit in my OEM case.

Double checked the card you want, in the one picture it shows the power adapter it comes with, make sure you have one of those on your PSU, and based on the beefiness of the new card I would definitively get a new ~500 - 550W PSU