AOpen Xpower 400W [AO400-12AHNF]

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AOpen Xpower 400W [AO400-12AHNF]

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General
Brand	AOpen
Product name	Xpower 400W
Product code	AO400-12AHNF
Tested by	Michel Koelewijn
Quoted power
Continuous power	400 W
Max. current 12 V - Rail 1	15 A
Max. current 12 V - Rail 2	14 A
Max. current 5 V	28 A
Max. curren 3.3 V	30 A
Connectors
Standard peripheral	7
Floppy	2
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	2.2 kg
Extras / Accessoires
Retail / OEM	Retail
Measured voltage 12 V rails (combined)
No load	13.63 V
2,40 Ω (= 5 A / 60 W @ 12 V)	11.95 V
1,20 Ω (= 10 A / 120 W @ 12 V)	11.78 V
0,80 Ω (= 15 A / 180 W @ 12 V)	11.63 V
0,60 Ω (= 20 A / 240 W @ 12 V)	11.48 V
0,45 Ω (= 25 A / 300 W @ 12 V)	11.33 V
0,38 Ω (= 30 A / 360 W @ 12 V)	11.19 V
0,33 Ω (= 35 A / 420 W @ 12 V)	0
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	20 A
Measured voltage 5V rail
No load	5.17 V
1,00 Ω (= 5 A / 25 W @ 5 V)	4.85 V
0,50 Ω (= 10 A / 50 W @ 5 V)	4.62 V
0,33 Ω (= 15 A / 75 W @ 5 V)	4.41 V
0,25 Ω (= 20 A / 100 W @ 5 V)	4.21 V
0,20 Ω (= 25 A / 125 W @ 5 V)	4.04 V
0,17 Ω (= 30 A / 150 W @ 5 V)	3.88 V
0,14 Ω (= 35 A / 175 W @ 5 V)	3.73 V
0,13 Ω (= 40 A / 200 W @ 5 V)	3.58 V
Maximum load 5 V rail within 5% margin	5 A
Measured voltage 3.3V rail
No load	3.37 V
0,67 Ω (= 5 A / 16,7 W @ 3,3 V)	3.28 V
0,33 Ω (= 10 A / 33,3 W @ 3,3 V)	3.20 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)	2.97 V
0,11 Ω (= 30 A / 100 W @ 3,3 V)	2.90 V
Maximum load 3.3 V rail within 5% margin	10 A
Ripples
12 Volt rails	47 mVtt
5 Volt rail	15 mVtt
3.3 Volt rail	24 mVtt
Noise production (20 cm. distance)
No load - Min. rpm	43.8 dB(A)
No load - Max. rpm	49.5 dB(A)
200 W load - Min. rpm	44.2 dB(A)
200 W load - Max. rpm	49.2 dB(A)
Power usage
On - No load	15 W
On - 180 W @ 12 V / 50 W @ 5 V load	305 W
Off - Power switch on	9 W
Off - Power switch off	0
Efficiency at 230 W load	75 %

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User systems with this product
	Night-stream [MrArd]	Intel Core 2 Duo E8400, ASUS P5N32-E SLI, 2x ASUS EN8800GTS/HTDP/512M
	Winters` Bak [Winters]	AMD Athlon 64 X2 3800+ AM2, Gigabyte GA-K8NF-9, AOpen Aeolus 7800GT-DVDC256 (E)

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