Is this enough power?

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Is this enough power? - 10/28/2009 6:07:59 PM

CchRisS

Posts: 1
Joined: 10/28/2009
Status: offline

I recently purchased a computer from Ibuypower and its processing(being processed by IBP, not turned on and computing, fricken nerds), as we speak.

Case Nzxt Lexa Blackline
Processor Intel® Core™ i7 920 Processor (4x 2.66GHz/8MB L3 Cache)
Motherboard GIGABYTE GA-EX58-UD3R -- Intel X58 Chipset CrossFire and SLI Supported w/7.1 Sound, Triple-Channel DDR3, Gb LAN, S-ATA Raid, USB 2.0, PCI-E MB
Memory 6 GB [2 GB X3] DDR3-1333 Triple Memory Module - Corsair Value or Major Brand
Video Card ATI Radeon HD 4870 – 1GB - Single Card
Case Lighting Cold Cathode Neon Light - Blue
Power Supply 700 Watt -- Power Supply - SLI Ready
Processor Cooling Certified CPU Fan and Heatsink
Video Card Brand Major Brand Powered by ATI or NVIDIA
Primary Hard Drive 500 GB HARD DRIVE -- 16M Cache, 7200 RPM, 3.0Gb/s - Dual 500GB Drives (1TB Capacity) - RAID 0 High Performance
Data Hard Drive None
2nd Optical Drive None
Optical Drive 22X Dual Format/Double Layer DVD±R/±RW + CD-R/RW Drive - Black
External Hard Drives [USB 2.0/eSATA] None
Sound Card 3D Premium Surround Sound Onboard

i dont plan on Ocing this at all for now, will 700W run my machine without issue?

Post #: 1

RE: Is this enough power? - 11/2/2009 10:38:40 AM

wherryj

Posts: 142
Joined: 5/22/2009
Status: offline

It should have enough power unless you are planning some serious overclocking/running a huge HDD farm/upgrading to SLI, etc.

http://extreme.outervision.com/psucalculatorlite.jsp

The 700W "generic" power supply that came with my IBP computer had 50 AMPS on the 12v rail. That should be enough to power your system unless you have some options that you aren't including here.

(in reply to CchRisS)

Post #: 2

RE: Is this enough power? - 11/10/2009 11:03:31 AM

Dr.I

Posts: 221
Joined: 6/12/2008
Status: offline

I would be vary wary of PSU Calculators like this. It actually doesn't give accurate information, unless I'm reading it wrong.

For example, I did a setup with a Core i7 975 Extreme CPU and a nvidia 9800GTX+ video card. I added in a couple of hdds, opticals, and a few fans. The Calculator gave me a recommendation for a 375W PSU

First of all, if you go to eVGA or nVidia and check on the 9800GTX+ card, they'll recommend a 450W or higher PSU, and that's only with the video card. Add in hdds, opticals, fans, and the mobo/cpu, you actually need something higher.

For Core i7 systems, we found that most PSU's under 400-500W just can't handle what the board and cpu requires let alone the video card requirements. For systems with a 9800GTX+, for example, I usually recommend something higher than 600W.

The way I view things, the PSU is like the Heart of the system. Have a strong heart and the system will last longer. Have a weak heart, get ready to replace it later on.

_____________________________

Dr.I
iBuypower.com Custom Built Gaming PCs

iBuypower Contact Information:
Sales & Customer Service: 888-462-3899
Tech Support: 888-618-6040

(in reply to wherryj)

Post #: 3