MicroATX system

rockinthepe

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May 21, 2009
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I'm planning a build using an old case which will require me to use a microATX motherboard. i plan on using an AMD processor likely a phenom II x3 or a the anthlon x2 7850 (Kuma). I'm looking to build a multimedia rig that can game well. I'm looking for a solid step up from a 9600m gt (laptop). games i would play would probably include TF 2, Fear 2, Dawn of War 2, and bioshock 1 & 2 (when it comes out). right now i'm looking at the gts 250, 4850/4870, and the gts 260. i won't be playing at ridiculous resolutions, however i would like it to play some games and watch some movies at 720p on a 36 inch LCD TV.
info about the case:
x2 5.25" drive bays
x3 3.5" drive bays (1 external)
width : 7" (roughly)
length: 16.5" however, the area the graphics card will sit in is completely open
height: 13.5"
this will be a project that will include case modding. i have all the tools necessary to do anything needed. budget will be around 450 -525 for the initial build.
also, how do the 38xx series stack up against the newer ati cards?
 
A GTS 250 will play all of those games at max settings at your resolution. I can't imagine that you'll need an upgrade for a while - but a GTX 260 would be better future-proofing. I'd recommend nVidia over ATI because of the benefits of CUDA and PhysX, as well as lower overall temps.

The 38xx series is a bit outdated - you can get better cards for cheaper than 3850/3870s run now.

Additionally, I would get the tri-core over the dual (regardless of what your primary use will be). The PII 720 BE is great value.
 
AMD Phenom II X3 720 2.8GHz 3 x 512KB L2 Cache 6MB L3 Cache Socket AM3 95W Triple-Core Black Processor - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16819103649

ASUS M3A78-CM AM2+/AM2 AMD 780V Micro ATX AMD Motherboard - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131330

http://www.newegg.com/Product/ComboDealDetails.aspx?ItemList=Combo.190991 $198.99 (CPU + motherboard combo)

G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231166 $58.99

WESTERN DIGITAL WD3200AAKS 320GB SATA 7200 RPM 16MB Hard Drive
http://www.zipzoomfly.com/jsp/ProductDetail.jsp?ProductCode=10005615&prodlist=celebros $51.99

OCZ Fatal1ty OCZ550FTY 550W ATX12V / EPS12V SLI Ready CrossFire Ready Modular Active PFC Power Supply - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16817341022 $74.99 - $25.00 MIR

LG 22X DVD±R DVD Burner Black SATA Model GH22NS30 - OEM
http://www.newegg.com/Product/Product.aspx?Item=N82E16827136152 $23.99

POWERCOLOR AX4850 512MD3-DH Radeon HD 4850 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16814131125 $109.99 - $10.00 MIR

Total - $518.94 - $35.00 MIR's
 


Power supply will not fit in Micro-ATX case......
 



the psu wont fit in a mini itx case , but it will fit in a m-atx case .


And comments above from Cpt deadboots that nVidia run cooler is probably not a general rule . ATI use a smaller manufacturing process than nVidia and that means cooler running and lower power levels .

The 4850 in my computer is a Palit with a double height cooler . Its idling now at 25C and tops out below 50 C in my m-atx case . Very good temps . Its also generally more powerful than a gts 250 and $20 cheaper
 
I'd disagree with your statement that the 4850 is more powerful than the GTS 250 - as the review on Tom's shows, it 3dMarks higher, but the GTS 250 beats it consistently in just about every other real-world scenario. Additionally, the GTS 250 is built on the SAME size manufacturing process as the 4850/70 (55nm) - and manages to use ~10-20w less power than the 4850. The only card that has a smaller manufacturing process than nVidia's G92b and GT200 is the new 4770 (40nm).

Single-slot 4850 cards garner VERY high temps - there's no question about this. A dual-slot will be better, but your Palit card must have an excellent cooler (and your case must have incredible airflow) to garner temps like the ones you stated.
 



I stand corrected... Thank you....

However I believe that the greatest problem with this build as with most micro-atx cases is going to be HEAT...... Also when you start putting more "heat generators" in the smaller M-atx case you have to make sure that you have adequate airflow and everything will be good....
 



The heat issue is a long held truism about m-atx cases that dates from a time when pc's didnt have case fans and all the heat was radiated by the surface area of the case , or out through the power supply .

The situation today is a bit different . You can get m-atx cases with good air flow . And if you buy an m-atx case with 1 x 120 mm inlet and 1 x 120 mm outlet fan then it actually cools BETTER than an ATX case with the same number of fans .
The reason is that the average speed of air flow is higher in a smaller case . Image those two fans blowing into a case the size of a room . At any given spot in the middle of the room the air flow is low. Very low. And heat will radiate from heat sinks only slowly .
Now have the same fans in a small case . The air is now moving fast .

The only way to make an atx case cool as well is to add more fans , and move the air quicker again

Good quality m-atx cases are fine
 



The Tomshardware comparison of the 4850 uses two non reference cards . The GTS250 has 1 gig of memory , the 4850 has 512 mb .

Its not that fair a test

The reference cards are very close in performance , with the radeon edging the gts 250 at higher resolutions and the gts clear winner in nVidia optimised games . The 4850 is $95 on newegg. Last time I looked the cheapest GTS 250 was $20 more expensive

 
Well 1st off:
720p by its classical definition equals to 1280 x 720 resolution and sometimes in industry it gets mixed up and could also refer to HD Ready LCD TVs which have 1366 x 768 but either way i would look at the HD4770 for this task actually 😛 Extremely close performance to HD4850 with far lower power consumption hehe
2ndly:
As for gaming on mATX boxes i have built numerous off cases like Silverstone SG-02F, Cooler Master 340, etc and for their size their cooling options are rather decent if u ask me ^^
 
I still haven't read a competent technical review of that OCZ PSU, and until I do would not use it because it is built by Sirtec.
A 4770 would be a nice choice for this system, then you can power it with an Antec Earthwatts 380.
 

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