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Case Form Factors????

ex_reven

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#1
Hey guys

I was looking at Pc cases and was wondering if anyone could explain the differences between modern Case form factors like atx and btx and all that jazz

It confuses me :)
 

OOTay

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#2
WikiPedia said:
Physical form factor
Form factor size chart

The motherboard fits into the computer case with screws or clips. There are many form factors, or sizes of motherboard. In general, it is necessary for the case, power supply, and motherboard to conform to the same standard in order for them to operate properly.


* XT (8.5 × 11" or 216 × 279 mm) - obsolete - see XT bus architecture
* AT (12 × 11"–13" or 305 × 279–330 mm) - obsolete - see AT bus architecture
* Baby-AT (8.5" × 10"–13" or 216 mm × 254-330 mm)
* ATX (Intel 1996; 12" × 9.6" or 305 mm × 244 mm)
* EATX (12" × 13" or 305mm × 330 mm)
* Mini-ATX (11.2" × 8.2" or 284 mm × 208 mm)
* microATX (1996; 9.6" × 9.6" or 244 mm × 244 mm) - fewer slots than ATX, so can use smaller PSU
* LPX (9" × 11"–13" or 229 mm × 279–330 mm) - in slimline retail PCs
* Mini-LPX (8"–9" × 10"–11" or 203–229 mm × 254–279 mm) - in slimline retail PCs
* NLX (Intel 1999; 8"–9" × 10"-13.6" or 203–229 mm × 254–345 mm) - coming soon; requires add-in card riser
* FlexATX (Intel 1999; 9.6" × 9.6" or 244 × 244 mm max.) - can be smaller than microATX
* Mini-ITX (VIA Technologies 2003; 6.7" × 6.7" or 170 mm × 170 mm max.; 100W max.)
* Nano-ITX (VIA Technologies 2004; 120 mm × 120 mm max.)
* BTX (Intel 2004; 12.8" × 10.5" or 325 mm × 267 mm max.)
* MicroBTX (Intel 2004; 10.4" × 10.5" or 264 mm × 267 mm max.)
* PicoBTX (Intel 2004; 8.0" × 10.5" or 203 mm × 267 mm max.)
* WTX (Intel 1998; 14" × 16.75" or 355.6 mm × 425.4 mm)
* ETX and PC/104, used in embedded systems.
Straight off wikipedia, they are just different sizes of motherboards that fit into the cases. The most common is the ATX wich is basicly is the normal size. And the smallest most common mobo is the MicroATX board. If you are looking at normal sized cases most often it would be the ATX, just check what the case uses.
 

ex_reven

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#3
what if im looking for a case with an atx motherboard but a smaller case?

not the regular atx case, would this case be classed ATX or MicroATX?
 
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#4
Umm an ATX board is not able to fit into a mATX case. Also there are two type of motherboards. mATX boards and ATX. Mostly for ATX they would say "Standard ATX". For a mATX it's just plain mATX.
 
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#6
Its real simple if you have a standard atx board use an atx case... if you have a matx board use a matx case. Beyond that if your wanting to do something tricky and build a micro-atx case with an atx board... more power to ya.
 
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#7

OOTay

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#8
i think we have confused the poor guy...
 
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#9
You can have an ATX case, but most ATX cases will also support microATX as well, but not vice-versa. If you have a mATX board, you can get a mATX case or ATX case. If you have an ATX board, then ATX case.
 

OOTay

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Processor Athlon 64 X2 3800+ Manchester HT 2000MHz @ 2.5ghz
Motherboard ASRock 939Dual-SATA2 Socket 939 ULi M1695
Cooling ARCTIC COOLING Freezer 64 Pro, GPU VF700CU-LED, 3 120mm Front, 1 120mm + 92mm Rear, 1 92mm Top.
Memory 1gig pc3200 @ 208mhz 2,2,2,5
Video Card(s) x850pro @ XT 256mb agp @ 535 core 591mem
Storage 160gb Western Digital SATA 3.0gbs
Display(s) 19in Hanns G widescreen 5ms LCD
Case Thermaltake Black Xaser Armor Series
Audio Device(s) onboard 7.1 Realtek
Power Supply Thermaltake 420watt TT
Software Windows XP / Linux, Photoshop God.
#10
Good explanation lol nj