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General
Brand	No-name
Product name	Supersilent 550
Product code	LPG12-550
Tested by HWI
Release date	05/09/2005
Price (min. / avg.)	-

Specifications
Continuous power: 550 W
Click here for additional specifications

General
Brand	No-name
Product name	Supersilent 550
Product code	LPG12-550
Tested by	Michel Koelewijn
Quoted power
Continuous power	550 W
Max. current 12 V - Rail 1	20 A
Max. current 5 V	42 A
Max. curren 3.3 V	24 A
Connectors
Standard peripheral	4
Floppy	1
Serial ATX	0
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	1.3 kg
Extras / Accessoires
Retail / OEM	Retail
Measured voltage 12 V rails (combined)
No load	12.80 V
2,40 Ω (= 5 A / 60 W @ 12 V)	12.31 V
1,20 Ω (= 10 A / 120 W @ 12 V)	11.90 V
0,80 Ω (= 15 A / 180 W @ 12 V)	11.59 V
0,60 Ω (= 20 A / 240 W @ 12 V)	11.29 V
0,45 Ω (= 25 A / 300 W @ 12 V)	11.00 V
0,38 Ω (= 30 A / 360 W @ 12 V)	10.68 V
0,33 Ω (= 35 A / 420 W @ 12 V)	10.35 V
0,29 Ω (= 40 A / 480 W @ 12 V)	10.06 V
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	15 A
Measured voltage 5V rail
No load	0
1,00 Ω (= 5 A / 25 W @ 5 V)	0
0,50 Ω (= 10 A / 50 W @ 5 V)	0
0,33 Ω (= 15 A / 75 W @ 5 V)	0
0,25 Ω (= 20 A / 100 W @ 5 V)	0
0,20 Ω (= 25 A / 125 W @ 5 V)	0
0,17 Ω (= 30 A / 150 W @ 5 V)	0
0,14 Ω (= 35 A / 175 W @ 5 V)	0
0,13 Ω (= 40 A / 200 W @ 5 V)	0
Maximum load 5 V rail within 5% margin	0
Measured voltage 3.3V rail
No load	0
0,67 Ω (= 5 A / 16,7 W @ 3,3 V)	0
0,33 Ω (= 10 A / 33,3 W @ 3,3 V)	0
0,22 Ω (= 15 A / 50,0 W @ 3,3 V)	0
0,17 Ω (= 20 A / 66,6 W @ 3,3 V)	0
0,13 Ω (= 25 A / 83,3 W @ 3,3 V)	0
0,11 Ω (= 30 A / 100 W @ 3,3 V)	0
Maximum load 3.3 V rail within 5% margin	0
Power usage
On - No load	18 W
On - 180 W @ 12 V / 50 W @ 5 V load	300 W
Off - Power switch on	0
Off - Power switch off	0
Efficiency at 230 W load	77 %

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