Shuttle 400w PSU...Amperage on 12V rails?

Forum CPU & Components : Power Supplies, Cases & Mods Shuttle 400w PSU...Amperage on 12V rails?

Enermax

I've been trying to find information on the Amperage on the 12V rails for the 400watt Silent X PSU from Shuttle.

Would anyone know the specs for this?

Reply to Vip68

Quote :

All i can find is the 300W. It offers about 16A total so i would venture to say the 400W wouldn't be able to do better then about 18A, 20A if your lucky. Don't exspect to find a PSU of that size with more then about 20A on the combined +12v rails.

This is from the Shuttle SilentX PC50..

21.5A on the combined 12v rails...

How did you get the 16A figure?

http://www.sudhian.com/index.php?/ [...] _300w_PSU/

I do know the PC40 250w PSU has 16A on the 12v rail.
http://www1.uk.shopping.com/xPF-Sh [...] 0-250W-RET

Reply to Vip68

Alright,

with your experience do you think the following setup is possible given the ff specs...

CPU: AMD X2 3600+ Brisbane (65w)
Case/Board: Shuttle SK22G2B V2 with 250 PSU (Silent X PC40)
Video Card: EVGA Geforce 7900GS KO
Memory: 2x1G DDR2 800
HDD: 1x Seagate 7200.10
PCI Card: Sound Blaster XFI
1x DVD/RW Drive

Here's the specs for the PSU

+3.3V @ 18A
+5V @ 19A
+5VSB @ 2A
+12V @ 16A
-12V @ 0.3A

I plan to upgrade to a quad core Barcelona in the future and probably a 8600GTS. Will the setup above work and will it be able to handle the upgrade i have planned?

Based on Xtreme PSU Calculator ... I need 216watts... but will the 16A on the 12V rails be enough to run the pc?

Reply to Vip68

I think you may be talking about the PC43I3503 which is listed in various places as a 350 or 400 watt power supply. I have found reference to a redesign of this PSU so that my explain the discrepancy.

The 400W version has the following specs
[code:1:24d08787e5]
+12Vsb A | 17A
+12Vsb B | 17A
+12V | 10.5A
+5V | 3.5A
+3.3V | 3.5A[/code:1:24d08787e5]

maximum wattage for the combined 3.3V line and 5V line is 18W

total output wattage is 400 W
peak output wattage is 450 W

see pic of PSU
http://www.barebonecenter.org/images/stories/User2/Shuttle/sd37p2/800/SD37P2%20042.jpg

For the 350 W version
[code:1:24d08787e5]
+12Vsb A | 17A
+12Vsb B | 17A
+12V | 3.5A
+5V | 3.5A
+3.3V | 3.5A[/code:1:24d08787e5]

maximum wattage for the combined 3.3V line and 5V line is 18W

total output wattage 350W

Reply to aygar

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