AOpen Xpower 300W [AO300-12AHNF]

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AOpen Xpower 300W [AO300-12AHNF]

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General
Brand	AOpen
Product name	Xpower 300W
Product code	AO300-12AHNF
Tested by	Michel Koelewijn
Quoted power
Continuous power	300 W
Max. current 12 V - Rail 1	14 A
Max. current 12 V - Rail 2	8 A
Max. current 5 V	20 A
Max. curren 3.3 V	20 A
Connectors
Standard peripheral	5
Floppy	1
Serial ATX	3
6 pin PEG	0
Mainboard connector	20 / 24 pins
4 pin CPU
8 pin CPU
Specifications
Color	Grey
Size fan 1	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	2.0 kg
Extras / Accessoires
Retail / OEM	Retail
Measured voltage 12 V rails (combined)
No load	13.81 V
2,40 Ω (= 5 A / 60 W @ 12 V)	12.10 V
1,20 Ω (= 10 A / 120 W @ 12 V)	11.93 V
0,80 Ω (= 15 A / 180 W @ 12 V)	11.77 V
0,60 Ω (= 20 A / 240 W @ 12 V)	11.62 V
0,45 Ω (= 25 A / 300 W @ 12 V)	11.46 V
0,38 Ω (= 30 A / 360 W @ 12 V)	11.31 V
0,33 Ω (= 35 A / 420 W @ 12 V)	11.17 V
0,29 Ω (= 40 A / 480 W @ 12 V)	0
0,26 Ω (= 45 A / 540 W @ 12 V)	0
0,23 Ω (= 50 A / 600 W @ 12 V)	0
Maximum load 12 V rail within 5% margin	25 A
Measured voltage 5V rail
No load	5.24 V
1,00 Ω (= 5 A / 25 W @ 5 V)	4.92 V
0,50 Ω (= 10 A / 50 W @ 5 V)	4.69 V
0,33 Ω (= 15 A / 75 W @ 5 V)	4.47 V
0,25 Ω (= 20 A / 100 W @ 5 V)	4.27 V
0,20 Ω (= 25 A / 125 W @ 5 V)	4.09 V
0,17 Ω (= 30 A / 150 W @ 5 V)	3.92 V
0,14 Ω (= 35 A / 175 W @ 5 V)	3.75 V
0,13 Ω (= 40 A / 200 W @ 5 V)	3.60 V
Maximum load 5 V rail within 5% margin	5 A
Measured voltage 3.3V rail
No load	3.39 V
0,67 Ω (= 5 A / 16,7 W @ 3,3 V)	3.3 V
0,33 Ω (= 10 A / 33,3 W @ 3,3 V)	3.22 V
0,22 Ω (= 15 A / 50,0 W @ 3,3 V)	3.14 V
0,17 Ω (= 20 A / 66,6 W @ 3,3 V)	3.06 V
0,13 Ω (= 25 A / 83,3 W @ 3,3 V)	2.99 V
0,11 Ω (= 30 A / 100 W @ 3,3 V)	2.91 V
Maximum load 3.3 V rail within 5% margin	15 A
Ripples
12 Volt rails	70 mVtt
5 Volt rail	29 mVtt
3.3 Volt rail	35 mVtt
Noise production (20 cm. distance)
No load - Min. rpm	39.0 dB(A)
No load - Max. rpm	40.0 dB(A)
200 W load - Min. rpm	39.4 dB(A)
200 W load - Max. rpm	43.5 dB(A)
Power usage
On - No load	15 W
On - 180 W @ 12 V / 50 W @ 5 V load	311 W
Off - Power switch on	8 W
Off - Power switch off	0
Efficiency at 230 W load	74 %

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User systems with this product
	Mijne (voorlopige) PC [Sebvanierschot]	AMD Athlon 64 3000+ 754, Gigabyte GA-K8NPro-SLI, ASUS EN7300GT top silent SLI 400/800mhz
	StudentenPC(beetje) [MOB_Figga]	AMD Sempron 2800+ 754, ASUS K8V-VM (mATX), Sapphire Radeon X1950 GT (256MB DDR2 Geheugen)

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