Prudent Way Superior Series Power Supply User’s Manual
ATX 12V version 2.2 &2.0
Models: PWI-PR550 (2.2v), PWI-PR500 (2.2v), PWI-PR450 (2.0v), PWI-PR400 (2.0v)
4
SATA Connector
5
2
For serial ATA type
HDD and other
peripherals
Floppy Drive
Connector
4
2
For floppy drive
4. Product Specification
Features
PWI-PR550 W
PWI-PR500W
PWI-PR450W
PWI-PR400W
Type
ATX12V V. 2.2 (dual 12V)
ATX12V V. 2.0 (dual 12V)
Switches
ATX Logic On/Off Additional Power Rocker Switch (115/230V selector switch)
Maximum Power
550 W
500W
450W
400W
Transient Response
+5V,+12V and 3.3V outputs return to within 3% in less than 1ms for 25% load change
Power Good Signal
100 - 500 ms
Over Voltage Protection Recycle AC to reset
+12V1/+12V2=13.4V-15.6V, +5V=5.7V-7.0V,+3.3V=3.7V-4.3V
Special Connectors
1 Main Connector (20+4 pin)
1 12V (P4)
8 Peripheral
6 Peripheral
2
SATA
2
Floppy
2 PCI-E 12V
1 PCI-E 12V
4 pin-8pin Adapter
Nil
Nil
Nil
Dual +12V
Yes
SLi Support
NVIDIA SLi Certified
No
No
Fans
9cm x 8cm with Smart Fan Control 8cm x 8cm with Smart Fan Control
Cables
Black Sleeved Cables
DIMENSIONS
Unit Size
5.9” (W) x 5.5” (D) x 3.4” (H)
Net Weight
4.8lb
OUTPUT (550W)
Output Voltage
+3.3V
+5V
+12V1
+12V2
Max. Load
34A
36A
18A
18A
Min. Load
0.5A
0.3A
1A
1A
Regu-5%
+-5%
-5+7%
-5+7%
Ripple & Noise (mV)
50mV
50mV
120mV
120mV
Available Power
112.2W
180W
432W
Total Power
550W continuous maximum at full load
OUTPUT (500W)
Output Voltage
+3.3V
+5V
+12V1
+12V2
Max. Load
32A
33A
17A
17A
Min. Load
0.5A
0.3A
1A
1A
Regu-5%
+-5%
-5+7%
-5+7%
Ripple & Noise (mV)
50mV
50mV
120mV
120mV