Short Gadget Review: Coolermaster USNA 95 Power Supply

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Power supplies, are an often over-looked feature and in this modern day there are power supplies for everything! Such as computers, mobile phones, laptops, netbooks, hand-held game consoles and PDA’s. However PDA’S are very much redundant, so this still leaves a multitude of gadgets that need either recharging or to provide power. Wouldn’t it be nice to see an all in one charger that can fit the bill and power all of theses devices? Well Coolermaster believes that they have the answer to the consumer’s woes. Let us see exactly what the aforementioned company has done to solve this issue.

Before we go any further in this article; Overclockers Tech wishes to introduce you to our new short Gadget Article Format. Essentialy these are in the same format as our regular reviews but much shorter, due to the nature of the product reviewed.

Company Background

Cooler Master was founded with the mission of providing the industry’s best thermal solutions. Since its establishment a decade ago, the company has remained faithful to this mission, emerging as a world leader in products and services for companies dealing with devices where heat issues must be resolved.

In pursuing this mission, Cooler Master is absolutely committed to delivering solutions that precisely meet customer requirements for features, performance, and quality. Moreover, we strive to be a reliable long-term partner for our customers that they can truly depend on. It aims to be the first and foremost name that comes to mind for companies around the world seeking thermal solutions, and seeks to build such a reputation through outstanding technology, sophisticated design, and superior service.

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Features and Specifications

Features
- Ultra slim design and light weight for easy storage and portability.
- Delicate surface and texture for stronger durability.
- USB port supports most USB charging device.
- Powerful 1A charges USB devices up to 30% faster than PC USB power.
- Up to 90% efficiency.
- Great cable management with cable clip.
- 9 charger tips compatible with most laptops.
- LED indicator: Green for power-on and Red for USB charger.

Specifications

Model RP-095-USNA-A1
Input Voltage 100 – 240 Vac full range
Input Frequency Range 50 – 60 Hz
Output Rating 18 ~ 20 Vdc; 19 Vdc ~ 4.74A4.75 ~ 5.25 Vdc; 5 vdc ~ 1A
LED Indicator Green LED indicates power onRed LED indicates USB charge
Operation Temperature 0 ~ 40°C
Efficiency Up to 90%
Dimension 62 x 17 x 104 mm2.4 x 0.7 x 4.1 inch
Protection OVP / OTP / OCP / OPP / SCP
Warranty 2 years

Packaging

The External box on the USNA 95 is a lovely white and purple (Coolermaster’s colour of choice) with a window at the front showing the power adapter in all its glory. Also on the front there is the International Forum Product Design Award 2010 logo.

USNA 95 Box Front

USNA 95 Box Front

USNA95 Box Closeup

USNA95 Box Closeup

USNA Box Side

USNA Box Side

On the back there is a list of features and another small opening that shows all of the different tips that can be utilised for a variety of devices.

Box Rear

Box Rear

Opening the package up everything is nicely protected in a plastic inner carton. The contents are the USNA 95 power adapter, power cable, 9 interchangeable tips, wire clip, carrying case and a user’s guide.

USNA 95 Inner Carton

USNA 95 Inner Carton

Contents of the Box

Contents of the Box

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The USNA 95 Product

The USNA is a very simple device.   It has a black design with a small Cooler Master logo emboldened on the top.  The unit itself is quite small at  2.5 x 1.2 x 9 centimeters.  On the rear of  there is a rather large sticker  with all the information you need to know about the device.

USNA 95 power Port

USNA 95 power Port

USNA95

USNA 95 Angle One

USNA 95 Angle One

USNA95 REAR

USNA95 REAR

On the power adapter there are three connections. First on the one side you have the two-pin power connector, this is the side that plugs into the consumers wall socket. On the otherside there are two more connectors; which are for connecting to your laptop/netbook and the other is to charge your mobile phone/MP3 Player. On handling the product one can feel the quality almost oozing from the product and it bares no resemblence at all to the cheap generic power supplies, that usually proove that they are a false eceonomy.

USB and Laptop Power Port

USB and Laptop Power Port

If you look at the end of the cable that connects to your laptop you will notice that it needs a tip on it.  Included are 9 interchangeable tips that will fit most laptops.  To see the compatibility have a look at the compatibility chart list below.

Tip Color Application Tip Color Appication
Orange ACER, ASUS, HP, COMPAQ, BENQ Grey ACER, ASUS, COMPAQ
Red ACER White SONY
Blue ACER, HP, COMPAQ, IBM, LENOVO Black DELL, HP, COMPAQ
Yellow IBM, LENOVO Purple SAMSUNG
Green ACER, ASUS, HP, COMPAQ, TOSHIBA, FUJITSU, GATEWAY, NEC
Certain laptops that have unique ID design (i.e. some models of Dell) for their own adapters, this product can still provide operation for the laptop, but may not charge the laptop battery. For detailed compatible laptop models, please visit our global website: www.coolermaster.com
Nine Interchangable Tips

Nine Interchangable Tips

USNA 95 Tips Angle One

USNA 95 Tips Angle One

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General Use

There is not much to say really except that the power adapter simply does ‘what it says on the tin’ and does it well. To test this a Samsung N220 Netbook was used (using the purple tip) and three tests were performed. The first was to see if the Coolermaster USNA 95 could actually power the device. To demonstrate this the battery was unplugged and the adapter was powered on.  The good news was that the Netbook functioned perfectly, the bad was there were wires all over the desk. However Coolermaster have included a handy clip to deal with this issue.

The Second Test was to see if could actually serve as a RECHARGING station. In order to accomplish this the netbook battery was drained of all power and the USNA95 connected. After one hour of charging, the Samsung N220 was powered on and it displayed a 60 percent charge.

Samsung N220 laptop

Samsung N220 Netbook

The third test was to check to see if the adapter could power both the above device AND recharge a mobile phone together. For this a Sony Eriikson W995 was connected at the same time as the Samsung N220. Not only does it power and recharge the netbook, the recharge of the phone was much faster than a standard USB port. Well done Coolermaster!

Conclusion

Obtaining a power adaptor for your laptop/netbook can be a time consuming affair and in some cases a very expensive one too!  The Cooler Master USNA 95 not only takes away all the aforementioned woes but is much less costly then a similar adapter for your notebook.

With the Coolermaster USNA95, not only are you getting a great product for your existing laptop but for any FUTURE laptop/netbook/notebook you would EVER buy!  The nine included interchangeable tips fit almost every laptop brand out there.  You also get a USB power connection which makes it easy to power and charge devices such as your MP3 player or mobile phone.  The USB power connector charges 30 percent faster than PC USB connections;  so any potential travellers that  are short on  time will most certainly appreciate this function..  Enclosed is a nice soft carry case to keep your adapter and all its interchangeable tips in tip-top shape.

As mentioned previously, the USNA 95 oozes quality and feels very solid, more so than even the power charger that came with this writers Samsung N220 netbook! Coolermaster have pulled off a product that is most certainly hard to beat. The multi power adapters that crowd your wall sockets are now a thing of the past, thanks to Coolermaster.

Pros:

  • SlimLine
  • No More multi-adapter worries.
  • Will charge almost any future Laptop
  • Quality casing
  • Can charge a USB Device at the same time as a Laptop
  • Inexspensive Product

Cons:

  • None


We at Overclockerstech appreciate products that are either creative or unusual. This product fits both and if Coolermaster applies this amount of quality to everything they do then they have a very bright future indeed. The future is bright…….. the future is COOLERMASTER purple!

Overclockerstech awards this product a 9/10 and therefore a Gold award.

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