Seasonic S12 500W [S12-500]

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Seasonic S12 500W [S12-500]

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General
Brand	Seasonic
Product name	S12 500W
Product code	S12-500
Tested by	Zahied Bholai
Quoted power
Continuous power	500 W
Max. current 12 V - Rail 1	17 A
Max. current 12 V - Rail 2	16 A
Max. current 12 V - Rail 3	0
Max. current 12 V - Rail 4	0
Max. current 5 V	30 A
Max. curren 3.3 V	30 A
Connectors
Standard peripheral	6
Floppy	2
Serial ATX	4
6 pin PEG	2
Mainboard connector	24 pins
4 pin CPU
8 pin CPU
Specifications
Color	Black
Size fan 1	12 cm
Size fan 2	0
Size fan 3	0
Lighted fans
Fan speed controlled by temperature
Manual rpm adjustment
Connector for rpm control
Modular cables
Mesh around mainboard cable
Mesh around other cables
Adjustable voltage outputs
Weight	1.8 kg
Extras / Accessoires	Connector for fan
Retail / OEM	Retail
Measured voltage 12V1 rail (+ opt. 12V3 and 12V4)
4 A load (= 50 W @ 12 V)	12.07 V
8 A load (= 100 W @ 12 V)	12.05 V
12 A load (= 150 W @ 12 V)	12.03 V
16 A load (= 200 W @ 12 V)	12.02 V
20 A load (= 250 W @ 12 V)	12 V
24 A load (= 300 W @ 12 V)	11.98 V
28 A load (= 350 W @ 12 V)	11.98 V
32 A load (= 400 W @ 12 V)	11.98 V
36 A load (= 450 W @ 12 V)	11.97 V
40 A load (= 500 W @ 12 V)	11.97 V
Maximum load 12V1 (+3/4) within 5% margin	46 A
Measured voltage 12V2 rail
4 A load (= 50 W @ 12 V)	12.04 V
8 A load (= 100 W @ 12 V)	11.99 V
12 A load (= 150 W @ 12 V)	11.95 V
16 A load (= 200 W @ 12 V)	11.91 V
20 A load (= 250 W @ 12 V)	11.87 V
Maximum load 12V2 within 5% margin	19 A
Measured voltage 5V rail
4 A load (= 20 W @ 5 V)	5 V
8 A load (= 40 W @ 5 V)	4.99 V
12 A load (= 60 W @ 5 V)	4.98 V
16 A load (= 80 W @ 5 V)	4.98 V
20 A load (= 100 W @ 5 V)	4.97 V
24 A load (= 120 W @ 5 V)	4.96 V
28 A load (= 140 W @ 5 V)	4.95 V
32 A load (= 160 W @ 5 V)	4.93 V
36 A load (= 180 W @ 5 V)	4.92 V
40 A load (= 200 W @ 5 V)	4.89 V
44 A load (= 220 W @ 5 V)	4.8 V
48 A load (= 240 W @ 5 V)	4.72 V
52 A load (= 260 W @ 5 V)	4.64 V
56 A load (= 280 W @ 5 V)	4.57 V
60 A load (= 300 W @ 5 V)	4.5 V
64 A load (= 320 W @ 5 V)	4.31 V
Maximum load 5V within 5% margin	45 A
Measured voltage 3.3V rail
4 A load (= 13.2 W @ 3.3 V)	3.29 V
8 A load (= 26.4 W @ 3.3 V)	3.26 V
12 A load (= 39.6 W @ 3.3 V)	3.24 V
16 A load (= 52.8 W @ 3.3 V)	3.21 V
20 A load (= 66.0 W @ 3.3 V)	3.19 V
24 A load (= 79.2 W @ 3.3 V)	3.16 V
28 A load (= 92.4 W @ 3.3 V)	3.15 V
32 A load (= 105.6 W @ 3.3 V)	3.14 V
Maximum load 3.3V within 5% margin	32 A
Noise production (20 cm. distance)
No load - Min. rpm	34.5 dB(A)
No load - Max. rpm	34.5 dB(A)
266 W load - Min. rpm	34.1 dB(A)
266 W load - Max. rpm	34.1 dB(A)
Power usage
Power usage - 266 W load (8A@12V1,12V2,5V,3.3V)	299 W
Efficiency - 266 W load	89.0 %
Power usage - 339 W load (12A@12V1,12V2,5V,3.3V)	447 W
Efficiency - 339 W load	75.8 %
Power usage PC off - PSU power switch on	1.8 W
Power usage PC off - PSU power switch off	0.1 W

External news
Seasonic S12-II 500W power supply	Madshrimps

External reviews
Seasonic S12-II 500W PSU	Bit-tech.net
Seasonic S12II: 330W to 500W of Silence	AnandTech
Seasonic S12 II 500W Power Supply Review	PC Perspective
Seasonic S12 II 500W PSU Review	AMDZone

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User systems with this product
	430 Contest systeem [NcowNteR]	Intel Celeron 430, Gigabyte GA-X38-DS5, Sapphire Radeon HD 3870 512 MB GDDR4
	Celeron OC Compo systeem [Shadowforce]	Intel Celeron 430, Gigabyte GA-P35-DQ6, Sparkle GeForce 8800Gts 640mb
	Ex-Ubergamegod [JDVA]	AMD Athlon 64 X2 3800+ 939, ASUS A8R32-MVP Deluxe, Sapphire Blizzard Radeon X1900 XTX
	Hans & Grietje [l3x]	Intel Core 2 Duo E6600, ASUS P5B Deluxe Wifi-AP Edition, Sparkle GeForce 8800 GTX
	ShDw^GGi [Shadowforce]	Intel Core 2 Duo E4300, Gigabyte GA-P35-DQ6, Sparkle GeForce 8800 GTS 512 MB GDDR3
	Speedfreak [NcowNteR]	Intel Core 2 Duo E6850, Gigabyte GA-X38-DS5, Sapphire Radeon HD 3870 512 MB GDDR4

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