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| ATX12V-HP400BT (Bestec ATX-400W) |
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This ATX12V version 2.0 power supply is a 400W, five output unit with remote on/off, and UL, CSA, and
TUV approvals. Original HP part number 5188-2533 used in Media Center m7170n,
m7183c, m7260n, m7277c, m7287c, and m7288hk computers. Airflow drawn out of case into surroundings by
92mm internal fan. Built-in power status LED above AC inlent. Split +12V rails, for CPU and
subsystem I/O. 2 x 12 (24 pin) main board power connector. Includes two daisy chained Serial
ATA connectors. Bestec model ATX-400W.
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| Connectors |
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| This power unit has (1) 24 pin ATX connector, (1) ATX12V connector,
(2) Serial ATA connectors, (5) peripheral power connectors, and (1) floppy drive connector. |
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| 24 pin ATX12V1 |
ATX12V2 |
SATA Power3 |
Peripheral4 |
Floppy5 |
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Connector notes:
1MOLEX 39-01-2240 or equivalent. Pin 13 also contains +3.3V Sense.
2MOLEX 39-29-9042 or equivalent.
3MOLEX housing #675820000, MOLEX terminal #675810000 or equivalents.
4AMP 1-480424-0 or equivalent. 5AMP 171822-4 or equivalent.
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| Specifications |
| Manufacturer |
Bestec |
Model |
ATX-400W |
| Type |
ATX12V-2.0 |
Warranty |
1 year |
| Dimensions |
140L x 150W x 86H mm |
Dimensions US |
5.5" x 5.9" x 3.4" |
| Safety |
UL, CSA, TUV |
Efficiency |
70% minimum |
| Reliability |
> 100K hours with all outputs at maximum load, ambient temperature of 25°C. |
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| AC Input |
| Voltage |
Max current |
Frequency |
Protection |
| 115/230VAC |
10/5 A |
47-63 HZ |
Internal fuse |
| AC Input is switch selectable between 115V (100-127V) and 230V (200-240V). |
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| DC Outputs |
| Voltage |
Max Current |
Min Current |
Max Ripple |
Load |
Line |
| +3.3V |
15 A |
0.5 A |
50 mVpp |
+5% |
+1% |
| +5V |
20 A |
1.0 A |
50 mVpp |
+5% |
+1% |
| +12Va |
17 A |
1.0 A |
120 mVpp |
+5% |
+1% |
| +12Vb |
10 A |
1.0 A |
120 mVpp |
+5% |
+1% |
| -12V |
0.8 A |
0.0 A |
120 mVpp |
+10% |
+2% |
| +5VSB |
2.0 A |
0.0 A |
50 mVpp |
+5% |
+1% |
| Notes: (1) +3.3V and +5V total output not to exceed 150W,
(2) +5V and +12Va/b total output not to exceed 365W, (3) Load and Line refer to regulation,
(4) Output Voltage Hold Time is 17mS.
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