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General
Brand	Q-Tec
Product name	PSU 650W Triple Fan
Product code	PS158G
Tested by HWI
Release date	09/05/2005
Price (min. / avg.)	-

Specifications
Continuous power: 650 W
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General
Brand	Q-Tec
Product name	PSU 650W Triple Fan
Product code	PS158G
Tested by	Michel Koelewijn
Quoted power
Continuous power	650 W
Max. current 12 V - Rail 1	30 A
Max. current 5 V	45 A
Max. curren 3.3 V	30 A
Connectors
Standard peripheral	6
Floppy	2
Serial ATX	2
6 pin PEG	0
Mainboard connector	20 / 24 pins
4 pin CPU
8 pin CPU
Specifications
Color	Gold
Size fan 1	8 cm
Size fan 2	8 cm
Size fan 3	12 cm
Lighted fans
Fan speed controlled by temperature
Manual rpm adjustment
Connector for rpm control
Modular cables
Mesh around mainboard cable
Mesh around other cables
Power switch
Adjustable voltage outputs
Weight	2.4 kg
Extras / Accessoires
Retail / OEM	Retail
Measured voltage 12 V rails (combined)
No load	12.52 V
2,40 Ω (= 5 A / 60 W @ 12 V)	12.24 V
1,20 Ω (= 10 A / 120 W @ 12 V)	12.03 V
0,80 Ω (= 15 A / 180 W @ 12 V)	11.83 V
0,60 Ω (= 20 A / 240 W @ 12 V)	11.66 V
0,45 Ω (= 25 A / 300 W @ 12 V)	11.49 V
0,38 Ω (= 30 A / 360 W @ 12 V)	11.33 V
0,33 Ω (= 35 A / 420 W @ 12 V)	11.16 V
0,29 Ω (= 40 A / 480 W @ 12 V)	11.00 V
0,26 Ω (= 45 A / 540 W @ 12 V)	10.84 V
0,23 Ω (= 50 A / 600 W @ 12 V)	10.67 V
Maximum load 12 V rail within 5% margin	25 A
Measured voltage 5V rail
No load	5.30 V
1,00 Ω (= 5 A / 25 W @ 5 V)	4.94 V
0,50 Ω (= 10 A / 50 W @ 5 V)	4.68 V
0,33 Ω (= 15 A / 75 W @ 5 V)	4.46 V
0,25 Ω (= 20 A / 100 W @ 5 V)	4.28 V
0,20 Ω (= 25 A / 125 W @ 5 V)	4.11 V
0,17 Ω (= 30 A / 150 W @ 5 V)	3.95 V
0,14 Ω (= 35 A / 175 W @ 5 V)	3.80 V
0,13 Ω (= 40 A / 200 W @ 5 V)	3.66 V
Maximum load 5 V rail within 5% margin	5 A
Measured voltage 3.3V rail
No load	3.40 V
0,67 Ω (= 5 A / 16,7 W @ 3,3 V)	3.30 V
0,33 Ω (= 10 A / 33,3 W @ 3,3 V)	3.21 V
0,22 Ω (= 15 A / 50,0 W @ 3,3 V)	3.12 V
0,17 Ω (= 20 A / 66,6 W @ 3,3 V)	3.04 V
0,13 Ω (= 25 A / 83,3 W @ 3,3 V)	2.96 V
0,11 Ω (= 30 A / 100 W @ 3,3 V)	2.88 V
Maximum load 3.3 V rail within 5% margin	10 A
Ripples
12 Volt rails	62 mVtt
5 Volt rail	32 mVtt
3.3 Volt rail	22 mVtt
Noise production (20 cm. distance)
No load - Min. rpm	53.5 dB(A)
200 W load - Min. rpm	51.1 dB(A)
Power usage
On - No load	26 W
On - 180 W @ 12 V / 50 W @ 5 V load	319 W
Off - Power switch on	15 W
Efficiency at 230 W load	72 %

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