M12II-520 EVO

This is a very popular power supply amongst system builders of all types. One of its special features is the fan control system, which is constantly monitoring the power usage and the ambient temperatures to decide what the most efficient fan rotation speed is in order to provide the lowest possible operational noise levels. The fully modular cable design is the perfect solution for those who want to reduce the number of unnecessary cables inside the case. Ample +12 volt outputs and high reliability capacitors make sure that this unit will be supplying pure power for a really long time.

SKU: SS-520GM2 Active PFC Categories: Consumer Products, M12II EVO Series

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80 PLUS^®Bronze

The 80 PLUS^® Bronze certification indicates that a high percentage of the electricity is converted into useful power, therefore there is less heat lost and more money saved on the electricity bill. The 80 PLUS^® Bronze certification guarantees greater than 82 %, 85 % and 82 % efficiency at 20 %, 50 % and 100 % operating loads, respectively. Sea Sonic’s Bronze Series is an economical choice with great performance and high built-in value.

Fully Modular Cables

In Sea Sonic’s patented design feature full modularity comes hand-in-hand with the extensive use of SMD technology to increase the overall performance and reliability of this power supply. The simple and inventive layout scheme helps to attain unsurpassed quality and performance, where efficiency is further enhanced by minimized line resistance, reduced voltage drop and lower impedance. Reduced component count and better space utilization facilitate optimal air flow inside the case and promote heat dissipation, proper cooling and ultimately longer product life.

Fluid Dyanamic Fan Bearing

High performance Fluid Dynamic Bearing (FDB) fans are designed to take advantage of the impact absorbance effects of oil. They are extremely reliable and generate considerably less operating noise and heat than ball bearing fans. The lubrication of the bearing surface reduces friction and vibration and therefore lowers overall power consumption. Due to the effortless, quieter rotations and its robust construction, this reliable fan technology also greatly increases the lifespan of the fan.

How it works

When the fan shaft rotates, high pressure oil drifts along the grooves of the bearing sleeve to generate a thin layer of lubrication between the bearing faces. As the speed increases, so does dynamic oil pressure and the shaft is lifted from the bearing to create smooth, effortless rotations. The herringbone shape of the groves helps to efficiently channel the lubricant and avert leakage.
The following illustration depicts the main characteristics of the FDB fans:

S²FC

The intelligent thermal circuit feature is designed to find the optimal balance between the necessity to cool the components and the need to run the power supply in the most silent manner possible.

105 °C Japanese Capacitor

Premium quality Japanese capacitors with 105 °C rating increase overall reliability and extend product life.

Ample +12 V Output

Enhanced +12 V current capability broadens utilization possibilities.

Multi-GPU Setup

Our power supplies are equipped with 6-pin and 8-pin PCI-E connectors to support all GPU platforms.

Specifications are subject to change without prior notice.

M12II-520 EVO
AC Input	Voltage: 100 V - 240 V
	Current: 9 A
	Frequency: 50 Hz - 60 Hz
DC Output	Rail	+3.3 V	+5 V	+12 V	-12 V	+5 V_SB
	Maximum Power	24 A	24 A	40 A	0.8 A	2.5 A
	Maximum Power	130 W		480 W	9.6 W	12.5 W
	Total continuous power	520 W

M12II-520 EVO Technical Specifications
80PLUS^®		Bronze
Form Factor		Intel ATX 12 V
Dimensions		150 mm (W) x 160 mm (L) x 86 mm (H)
Fan Information	Fan Size	120 mm
	Fan Control	Seasonic S²FC
	Fan Bearing	Fluid Dynamic Bearing
	Life Expectancy	50,000 at 40 °C, 15 % - 65 % R.H.
Cable Information	Modularity	Fully Modular
Cable Information	Cable type	Flat black cables
Electrical Features	Operating Temperature	40 °C
	MTBF @ 25 °C, excl. fan	100,000 hours
	AC Input	Full Range
	Protection	OPP, OVP, UVP, SCP
Safety and Environmental	Safety and EMC	cTUVus, TUV, Gost-R, UkrTEST, CB , BSMI, CCC, Semko, CE, FCC, C-tick
Safety and Environmental	Environmental Compliance	Energy Star, RoHS, WEEE, ErP Lot 6, REACH
Warranty		5 Years

Packaging information
Units per carton	5
Individual carton size	240 (L) x 90 (W) x 210 (H) mm
Shipping carton size	500 (L) x 230 (W) x 310 (H) mm

Specifications are subject to change without prior notice.

Connector	Connector Count	Lengths
	1	610 mm - modular
	1	650 mm - 4/8 pin modular
	2	600 mm - 6/8 pin modular 600 mm - 6/8 pin modular
	6	400 + 120 + 120 + 120 mm - modular 300 + 120 mm - modular
	5	400 + 120 + 120 mm - modular 300 + 120 mm - modular
	1	101 mm - modular