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Home > Reviews > Power Supply Review > Cooler Master 350W Power Supply Review

Cooler Master 350W Super Silent Power Supply Review

Manufacturer: Cooler Master
Author:  Brymo

More Power Supplies at Xoxide.com

Cooler Master Super Silent Description

Let us face it; computers are useless without electricity, unless of course you are in the market for an expensive boat anchor. Now from Cooler Master™, the all-new Real Power RS-350-AMSR cannot only supply your sensitive computer equipment with 350 Watts of Pure reliable power, but it can achieve this in near silence! The specialized circuitry in the RS-350-AMSR gives you an added edge of reliability by monitoring and regulating over and under voltage, current, temperature and full short circuit protection and has an industry efficiency rating of over 100,000 hours at a full load. And because it is a Cooler Master, it does this all while keeping power supply related heat in your case to a minimum, and meeting Blue Angel and Energy Star green power standards.

The Cooler Master RS-350-AMSR is equipped for today’s newest drive technologies with two built in Serial ATA power connectors. The main board power connectors include the standard 20 Pin ATX connector that has been wrapped in wire sleeve for better airflow and decreased case temperatures, and the 4-pin Pentium 4 power connector. It also has four standard 4-pin Molex connectors and two dedicated fan connectors.

Cooler Master Real Power Box

Front:
• Cooler Master “Technology of Evolution”
• Real Power 350W
• Super Silent
• SATA
• Real Power
• Green power
• Double Reliability
• Full Protection
• Intelligent Fan Controller

Key Features:
• Super Silent 350W with intelligent fan control ( <23dB )
• Fully supports Intel ATX 12V V1.2 for Intel® and AMD systems
• High efficiency and reliability ( MTBF > 100,000 Hrs @ full-load / 25 Degree C )
• Green power design to meet blue angel and energy star ( <1W@ Standby Mode )
• SATA and external fan connectors for next hard drive and system fans
• Real power capacity satisfy hungry hi-end system operation
• Over voltage, current, temperature, and short circuit full protection

General Specifications:
• Type: ATX Form Factor
• Maximum Power: 350 Watts
• Power Good Signal: 100 ~ 500 ms
• Hold Up Time: > 16ms
• Efficiency: >70% Typically
• Input Voltage: 90~132V & 180~264V / 90 ~ 264V
• Input Frequency Range: 47~63 Hz
• Input Current: 10A @ 115Vac / 5A @ 230Vac
• Output Capacity: 350W Continually
• MTBF: > 100,000 Hours
• Dimension: Standard ATX 150 x 140 x 86 (mm)
• Operation Temperature: 0~50 ◦C
• Safety: UL / cUL / TUV / NEMKO / CE

Cooler Master Super Silent Power Supply Intro

From the first look at this new power supply from Cooler Master, I knew I was in for a great experience. The only thing is, it may be a quite experience because this power supply is extremely quiet. Now looking at the price tag on this product, you may look past it because you always hear “with power supplies, spend a lot more money because the more money they are, the better they will perform.” In most cases that is very accurate but Cooler Master has gone away from the cheap is bad aspect. Into a cheap power supply that is comparable to an expensive unit, which Cooler Master has accomplished with the Real Power models.
 

Cooler Master™ Real Power

 

Rs-350-amsr

Rs-350-amsp

Rs-350-amsa

Rs-450-acly

Standard

ATX Form Factor

ATX Form Factor

ATX Form Factor

ATX Form Factor

Input Tension

90V~132V or 180V~264V

180V~264V

90~264V

90~264V

Input Current

10A 115V, @ 230V

10A 115V, @ 230V

10A 115V, @ 230V

 115V, @ 230V

Input Frequency

47~63 Hz

47~63 Hz

47~63 Hz

47~63 Hz

Power Good Signal

-

-

-

100 ~ 500 ms

Hold Up Time

> 16ms

> 16ms

> 16ms

> 17ms

Efficiency

> 70% @ Full Load

> 70% @ Full Load

> 70% @ Full Load

> typical 75%

MTBF

> 100,000 hours

> 100,000 hours

> 100,000 hours

> 100,000 hours

Dimensions

150 x 140 x 86mm

150 x 140 x 86mm

150 x 140 x 86mm

150 x 140 x 86mm

Op. Temp.

0~50°C

0~50°C

0~50°C

0~40°C

Type

Not PFC

Passive PFC

Active PFC

Active PFC


Cooler Master Super Silent Packaging

The box that protects the power supply is a quite nifty addition to the whole experience. The box has the picture of the power supply on the front and back, with a great purple and white background. The most interesting part about this background is the use of a programming language that is very vague but is still is visible.

A great addition is the handle on the top of the box, which makes it quite easy to hold onto, and is very stable.

Continuing onto opening the box, pulling out the “safety tab” so the box does not just fling open. Once you have this out, you can open the box to expose its inners. The top of the box opens all the way, so it is flat with the table or a flat surface, so you are guaranteed to be able to get a good grasp onto the power supply.

The set up of the power supply, power cord, screws, and the manual is quite nice and uses the full box. With all the separate parts helping each other stay in one place. There is no need for those annoying zip ties to hold everything in place. There is just one, and that has to hold the power cord in a tight fashion. Only bags are the ones to hold the power supply, power cord, and screws. There is no excess usage of packing supplies in this package, which is very nice.

The User’s Manual is soaked with information, and has a lot of useful information as well. It is 32 pages in length, and four pages are in English.

Product:

This Cooler Master Real Power 350W power supply offers very interesting characteristics such as various systems of protection, energetic saving, and smart controlled speeds. As saying before the necessary protections from overstrain does not lack excess current, short circuit. The efficiency that arrives beyond 70% @ full load is a sign of someone taking care of the planning of this power supply.

Here is the label on the back of the power supply.


As you can see the maximum power distributed from the power supply is 350W. 334W is shared for those +5V, +3.3V and +12V lines. Moreover, a maximum of 16W for the lines from -12V and +5Vsb. There is also a limitation in the division of the 334W, which is a maximum of 180W that can be spread out the two lines of +3.3W and +5V. In addition, a maximum of 180W can be taken from the +12V line.

From the outside, you would just think of this as just another power supply, because it does not try to be different or go to the modding extremes. It has the typical gray casing.


On the back of the power supply, again is the classic look of the fan behind a steel grill. With the Power connector along the side of the fan, there is nothing new about this set up.


On the side where the wires come out of the power supply, are bundled up with a zip tie at the very base of them all. The strange part about the wires in this power supply set up is that they are all different lengths.


The ATX and 12V to four pin wires have a length of 50cm. They have been labeled P1 and P2. The ATX wires are bundled with a nice black sleeving, covering all the wires into a nice tight package.


A total of four Molex connectors and two Floppy connectors, both are 70cm in length. It is a great length of cables, for a mid-tower or a tower.

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