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FORUMS General Gear Talk Computers 
Thread started 30 Oct 2013 (Wednesday) 14:10
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Two PC choices for $949 each...HELP!

 
scrapbratnancy
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Oct 30, 2013 14:10 |  #1

#1
Processor & Memory:
Intel Core i7-3770 Processor at 3.4GHz
16GB DDR3 SDRAM 1333MHz

Drives:
14x Blu-Ray Writer (Writes to BRD/DVD/CD)
3TB (7200 RPM) Hard Drive + 120GB SSD

Operating System:
Windows 8 is Beautiful, fast, and fluid.
Personalized: Make your Start Screen your personalized home for the things you care about. Organize and customize it the way you want.
Connected: Now everything is in one place to share. Integrate your online favorites – Facebook, Flickr, Hotmail, etc. – with content from your PC., such as photos and contacts.

Graphics & Video:
4GB NVIDIA GT630 Graphics

Communications:
1x Realtek PCIE LAN RTL8105E
10/100 Ethernet
Supports Wake-On-LAN
Supports PXE

Audio:
5.1 CH HD Audio

Keyboard & Mouse:
iBUYPOWER USB Deluxe Keyboard/Mouse

Expandability (Total Slots):
3x 5.25” External Drive Bays
8x 3.5” Internal Drive Bays
7x Expansion Slots

Top I/O Ports & Slots:
1 x USB 2.0 Ports
1 x USB 3.0 Ports
1 x Audio/Mic
1x PCI Express 3.0 x16 Slot
1x PCI Express 2.0 x1 Slot

Rear I/O Ports & Slots:
1x PS/2 Keyboard/Mouse Port
1x RJ-45 Port
1x D-Sub Port
1x HDMI Port
6x USB 2.0 Ports
HD Audio Jacks: Line In / Front Speaker / Microphone

Additional Software:
No junkware and/or bloatware

Additional Information:
300 Watt Power Supply
Case: Source 210 with Window
Dimensions (19.5" x 7.7" x 17.3")

-–---------------

#2 (this one can have changes made)
Processor
AMD FX-8150
No. of Cores: Eight-Core (8)
Clock Speed: 3.6GHz
Graphics
GeForce GTX 650
1GB Dedicated GDDR5 RAM
RAM
16GB DDR3-1333Mhz
Storage
120GB SATA III Solid State Drive
1TB SATA III Hard Drive
Optical Drive
24x DVD�RW Drive
Operating System
Windows 8 64-Bit


Nancy Smith in Vegas
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hotled
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Oct 30, 2013 16:21 |  #2

I don't think 300w is enough power on the psu based on everything I have been reading.
I am to trying to build a system, I haven't built one in many years admittedly so I was looking at bare bone kits trying to be thrifty.
Everyone that has spoken up has said a SSD is pretty much mandatory now days,last I looked they had a short life span, will have to read up on this.


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silvrr
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Oct 30, 2013 16:30 |  #3

An update on the SSD life issue. Everything I have read says you will be more likely to replace it before it 'wears out'.
http://techreport.com …e-experiment-200tb-update (external link)


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gjl711
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Oct 30, 2013 16:36 |  #4

hotled wrote in post #16411651 (external link)
...Everyone that has spoken up has said a SSD is pretty much mandatory now days,last I looked they had a short life span, will have to read up on this.

They both look just fine but I do have some feedback on a SSD as the primary OS drive. Though they operate so much faster, in the one year I have had them (4 of them on 4 different PCs) Three have crashed and rendered the PC un-bootable. I was able to reformat and re-load everything but it got tiresome so I went bavk to a regular hard drive and now use the SSDs as temp space only.


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I used to hate math but then I realised decimals have a point.
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abruckse
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Oct 30, 2013 16:54 |  #5

hotled wrote in post #16411651 (external link)
I don't think 300w is enough power on the psu based on everything I have been reading.

It's probably enough, but I'd liken it to throwing a small 4 cyl engine in a full-size truck. The truck might move, but the engine will constantly be under load in order to keep the truck moving. In both builds, the PSU is probably a cheap unit anyway, and that's the one component you really don't want to cheap out on.

OP, what are your specific needs? Any gaming?


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tim
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Oct 31, 2013 01:59 |  #6

#1 - Intel beats AMD. 300W is probably fine, check the PSU calculator (external link). Larger doesn't hurt it only wastes money.


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silvrr
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Oct 31, 2013 06:57 |  #7

abruckse wrote in post #16411728 (external link)
It's probably enough, but I'd liken it to throwing a small 4 cyl engine in a full-size truck. The truck might move, but the engine will constantly be under load in order to keep the truck moving. In both builds, the PSU is probably a cheap unit anyway, and that's the one component you really don't want to cheap out on.

OP, what are your specific needs? Any gaming?

Agree on the quality aspect. However, PSUs run more efficient at higher loads. Every PSU is different but most don't meet their peak efficiency rating until they have a decent load. While you do need a properly sized unit you don't want an 18 wheeler to pick up a few 2x4s from Home Depot.

tim wrote in post #16412682 (external link)
#1 - Intel beats AMD. 300W is probably fine, check the PSU calculator (external link). Larger doesn't hurt it only wastes money.

Yep most run an oversized PSU which doesn't run as efficient as possible. In this case 300W works if it's a quality unit. Figure 75W max for the video card (max off the PCI lane with no external connection). Then 150-175 for the CPU only leaves 50-75 watts for the rest. The figures for the GPU and CPU are worst case under synthetic loads so there is some extra margin under everyday load cases.


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Elfstop
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Oct 31, 2013 07:11 |  #8

300 too small.Period.




  
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jskaggs72
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Oct 31, 2013 07:23 |  #9

I would go with option one I prefer intel to amd


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Poe
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Oct 31, 2013 12:09 |  #10

silvrr wrote in post #16412917 (external link)
Agree on the quality aspect. However, PSUs run more efficient at higher loads. Every PSU is different but most don't meet their peak efficiency rating until they have a decent load. While you do need a properly sized unit you don't want an 18 wheeler to pick up a few 2x4s from Home Depot.

Yep most run an oversized PSU which doesn't run as efficient as possible. In this case 300W works if it's a quality unit. Figure 75W max for the video card (max off the PCI lane with no external connection). Then 150-175 for the CPU only leaves 50-75 watts for the rest. The figures for the GPU and CPU are worst case under synthetic loads so there is some extra margin under everyday load cases.

Depends on the loading. PSUs typically run most efficient at 50% of rated power, so buying a PSU with a max load that's 50%-100% higher than the sum of components isn't a waste of money.



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gjl711
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Oct 31, 2013 12:26 |  #11

Poe wrote in post #16413663 (external link)
Depends on the loading. PSUs typically run most efficient at 50% of rated power, so buying a PSU with a max load that's 50%-100% higher than the sum of components isn't a waste of money.

Though that may be true on paper, in real life pretty much all modern power supplies are relatively flat from about 10% on up. The difference between say 50% and 80 % is negligible.

Much more important to us, the end user is the efficiency of the supply itself. A +80 power supply, one that can convert 80% of power in to usable power out can consume much less power over it's life and a power supply that does not conform to the +80 standard.


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abruckse
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Oct 31, 2013 12:34 |  #12

silvrr wrote in post #16412917 (external link)
Agree on the quality aspect. However, PSUs run more efficient at higher loads. Every PSU is different but most don't meet their peak efficiency rating until they have a decent load. While you do need a properly sized unit you don't want an 18 wheeler to pick up a few 2x4s from Home Depot.

Most efficiency curves I've seen have been slightly bell shaped.

But anyway, the moral of the story is right OP... don't skimp on the PSU.


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tim
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Oct 31, 2013 16:16 |  #13

I measured the power use of my i2700K running a batch process between two disks at 100% CPU - 105W. That's with 3 spinning disks and 2 SSDs.


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Poe
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Oct 31, 2013 21:32 |  #14

gjl711 wrote in post #16413702 (external link)
Though that may be true on paper, in real life pretty much all modern power supplies are relatively flat from about 10% on up. The difference between say 50% and 80 % is negligible.

Much more important to us, the end user is the efficiency of the supply itself. A +80 power supply, one that can convert 80% of power in to usable power out can consume much less power over it's life and a power supply that does not conform to the +80 standard.

Sources please. I find many reviews/tests that show its not flat after 10%.



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gjl711
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Oct 31, 2013 23:07 |  #15

Poe wrote in post #16414961 (external link)
Sources please. I find many reviews/tests that show its not flat after 10%.

Tom's does a pretty decent review of many supplies. It shows at a very low load (25w) efficiency is at the lowest. By 50w, it has come up quite a bit and the difference between 85w, 300w and 500w is almost nothing.
http://www.tomshardwar​e.com …u-efficiency,2796-28.html (external link)

I do agree though, don't skimp on the power supply. There are other factors besides efficiency that make a higher rated supply worth it.


Not sure why, but call me JJ.
I used to hate math but then I realised decimals have a point.
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Two PC choices for $949 each...HELP!
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