Asus RS120-E3 (PA4) A.1.1 General description, A.1.2 Specifications, A.5 Power supply specifications, Over-voltagelimit, Output current capacity, Output voltage regulation

A.5 Power supply specifications

A.1.1 General description

The 400 W SSI-type single power supply with universal AC input includes PFC and ATX-compliant output cables and connectors. The power supply has four plugs labeled P1 to P4. Take note of the devices to which you should connect the plugs.

P 1 Motherboard 24-pin ATX power connector

P 2 Motherboard 4-pin +12V AUX power connector

P 3 Connects to the 8-pin SATA backplane power connector

P 4 Peripheral device (optical drive)

A.1.2 Specifications

Output voltage regulation

Output Voltage	Min (V)	Nom (V)	Max (V)	Ripple/Noise
+3.3V	3.20	3.30	3.46	50/80mVp-p
+5V	4.80	5.00	5.25	50/100mVp-p
+12V1	11.52	12.00	12.60	120/200mVp-p
+12V2	11.52	12.00	12.60	120/200mVp-p
-12V	-11.40	-12.20	-13.08	120/200mVp-p
+5VSB	4.85	5.00	5.20	50/80mVp-p

Output current capacity

Output Voltage Min (A)		Max (A)	Peak (A)
+3.3V	0.5	16.0
+5V	0.5	12.0
+12V1	0.2	18.0	19.0
+12V2	0.5	16.0	17.0
-12V	0.0	0.5
+5VSB	0.1	2.0

Over-voltage limit

Voltage	Min (V)	Max (V)
+3.3V	3.9	4.5
+5V	5.7	6.5
+12V1	13.3	14.5
+12V2	13.3	14.5
-12V	-13.3	-14.5
-5VSB	5.7	6.5

A - 6 Appendix: Reference information