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gpgt: this kind of ITX casing, how to connect the power?

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Old 08-04-2019, 09:53 AM   #1
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Red face gpgt: this kind of ITX casing, how to connect the power?

saw this compact itx casing:



very nice n compact, but:
1) what kind of power supply to use?
2) any itx motherboard can work, or only those with compatibile power connection? ie mother has 24pin, but depending on psu used, can still work with motherboard's 24pin connector?
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Old 08-04-2019, 10:13 AM   #2
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1. Check the specs, you need to know the maximum dimension for the PSU, so that you can fit into the case.
2. Only Mini-ITX (170mm x 170mm).
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Old 08-04-2019, 10:16 AM   #3
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saw this compact itx casing:



very nice n compact, but:
1) what kind of power supply to use?
2) any itx motherboard can work, or only those with compatibile power connection? ie mother has 24pin, but depending on psu used, can still work with motherboard's 24pin connector?
The PSU for normal desktop PC has two components. The first is the AC-DC unit which converts the AC 220V to either a 12V or 19V DC current. The second is a DC-ATX unit, which splits the current to the various wires needed for mobo, HDD etc.

For this type of case the PSU is split into the two components. The DC-ATX is inside the case, but the AC-DC is outside the case. AC-DC can be a suitable laptop adapter.

Usually AC-DC is very compact. Sometimes it is mounted in one corner of the case. Sometimes it is mounted on the 24pin plug itself (example search for pico PSU).

The DC-ATX will receive power from a laptop style power connector in the case. So all you have to do is plug in a suitable laptop adapter to power the PC.
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2200G @ 3400/stock cooling LLC8
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LG 25UM58 (21:9 ultrawide)
Storage
Transcend MTE820 128GB NVMe m.2, Seagate FireCuda 2TB 2.5"
Casing
Realan E-W80 (3.6L) + adapter (0.5L) = 4.1L
PSU
Pico-box X300 DC-ATX + 180W 19V adapter
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on-board + Creative T3

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Old 08-04-2019, 10:16 AM   #4
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1. Check the specs, you need to know the maximum dimension for the PSU, so that you can fit into the case.
2. Only Mini-ITX (170mm x 170mm).
no specs shown in description, but i doubt even sfx psu can fit in.
from pic there is no slot for backplane of psu's power connector and on/off switch
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Old 08-04-2019, 10:20 AM   #5
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saw this compact itx casing:



very nice n compact, but:
1) what kind of power supply to use?
2) any itx motherboard can work, or only those with compatibile power connection? ie mother has 24pin, but depending on psu used, can still work with motherboard's 24pin connector?
Further to my last message. You can also get a "Thin" mini ITX type mobod which accepts DC power directly from a laptop adapter (no separate DC-ATX unit). These will have the power socket in the motherboard I/O plate directly and there is no separate connector.
Processor
2200G @ 3400/stock cooling LLC8
Mainboard
MSI B350i Pro AC ITX
Graphics Card
Vega 8 1525MHz @ 1.2250V
Memory
HyperX Fury 2x4GB 3333@16-17-17-17-32 1.35V
Display
LG 25UM58 (21:9 ultrawide)
Storage
Transcend MTE820 128GB NVMe m.2, Seagate FireCuda 2TB 2.5"
Casing
Realan E-W80 (3.6L) + adapter (0.5L) = 4.1L
PSU
Pico-box X300 DC-ATX + 180W 19V adapter
Audio
on-board + Creative T3

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Old 08-04-2019, 10:27 AM   #6
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http://www.minicase.net/product_E-W60.html

Scroll down to LR1204 internal powerboard to see example DC-ATX unit which will be inside the case.
Processor
2200G @ 3400/stock cooling LLC8
Mainboard
MSI B350i Pro AC ITX
Graphics Card
Vega 8 1525MHz @ 1.2250V
Memory
HyperX Fury 2x4GB 3333@16-17-17-17-32 1.35V
Display
LG 25UM58 (21:9 ultrawide)
Storage
Transcend MTE820 128GB NVMe m.2, Seagate FireCuda 2TB 2.5"
Casing
Realan E-W80 (3.6L) + adapter (0.5L) = 4.1L
PSU
Pico-box X300 DC-ATX + 180W 19V adapter
Audio
on-board + Creative T3

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Old 09-04-2019, 04:18 AM   #7
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saw this compact itx casing:



very nice n compact, but:
1) what kind of power supply to use?
2) any itx motherboard can work, or only those with compatibile power connection? ie mother has 24pin, but depending on psu used, can still work with motherboard's 24pin connector?
Any ITX mobo can work. This case doesn't have space to put a 1U flex psu, you'll be using a 150w pico PSU (or generic brands) with an external power brick for it.
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Old 09-04-2019, 07:57 AM   #8
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Google HDplex or Pico PSU
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Old 09-04-2019, 11:22 AM   #9
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i think you may need these two items. note that this is not your usual laptop power adapter

https://www.amazon.com/Mini-Box-pico...s%2C365&sr=8-3

https://www.amazon.com/Switching-Sup...RX36PQCFNPPXGC



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Old 09-04-2019, 11:37 AM   #10
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i think you may need these two items. note that this is not your usual laptop power adapter

https://www.amazon.com/Mini-Box-pico...s%2C365&sr=8-3

https://www.amazon.com/Switching-Sup...RX36PQCFNPPXGC




yes... this should come with it... or even not because of different power rating

need to study your board consumption
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Old 09-04-2019, 11:46 AM   #11
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what power rating you buy would depend on what cpu you have
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Old 09-04-2019, 12:15 PM   #12
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such small setup means no gaming
only a compact chassis for general PC use, so if its reasonably value setup would be like a
Asrock Fatal1ty B450 Gaming-ITX/ac with R3 2200G and a NVMe SSD + 1 more 2.5" drive if needed
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Processor
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Storage
Intel 530 256GB + Hitachi 2TB
Optical Storage
LG BR/HD-DVD combo drive
Casing
Lian Li V354B
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Old 09-04-2019, 05:57 PM   #13
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such small setup means no gaming
only a compact chassis for general PC use, so if its reasonably value setup would be like a
Asrock Fatal1ty B450 Gaming-ITX/ac with R3 2200G and a NVMe SSD + 1 more 2.5" drive if needed
This small setup is good enough for MOBA gaming like Dota 2. I have such a setup with a 2200GE + iGPU lightly OC-ed to 1300mhz I use for portable gaming. You can also underclock + undervolt a 2200G while overclocking the iGPU to get the same setup as me.

Using a m.2 sata ssd would be better since it's cheaper, no point getting nvme if you're not going to be writing large files regularly.
Processor
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ASRock AB350 Gaming K4
Graphics Card
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