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» » Rosewill Extreme RX850-S-B

Rosewill Extreme RX850-S-B

Rosewill Extreme RX850-S-B


Couple days ago I got a chance to review Rosewill power supply Extreme series RX850-S-B.
Read the full review.
I’ll start with Rosewill Company.

About Rosewill
Not long ago we had an idea - bring quality hardware and affordable prices together. From that idea Rosewill was born. Formed from a top team of hardware professionals, Rosewill is dedicated to our mission to compete and win on price, quality, and service. We work only with the best partners - businesses we know and businesses we trust.

The Rosewill Mission
Our vision is to become the leading brand in computer hardware and peripherals. We aim to achieve this goal by creating superior customer satisfaction. We view our customers as our most important assets. Through our integrity, our innovative products, and our excellent customer service, we aim to create lasting customer relationships.

Customer Satisfaction
We believe that excellence is a standard. Our customers deserve nothing less than the best. By purchasing a Rosewill product you are choosing exceptional value, unrivaled customer service and top quality hardware. If you are a Rosewill reseller, you can have the comfort of knowing that we at Rosewill value the success of our business partners.

The Future
We will soon be introducing a full line of hardware that will encompass the Rosewill commitment to excellence. New product launches are on the way, so check back with us soon.

I would like to add from my words that Rosewill Company has very good customer service. They answered all questions I had very quickly and as detailed as possible.

Rosewill Extreme RX850-S-B

Rosewill Extreme RX850-S-B

Rosewill Extreme RX850-S-B


The product arrived to my house in very nice package. When I picked it up, I noticed that PSU is very heavy; in fact, it was the heaviest power supply I ever had. Many professional computer mechanics told me that the heavier power supply, the better it is.
Rosewill power supply came in a big black box. When I looked at the way the power supply was packaged, I was amazed. I don’t remember receiving anything packaged so nice. It seems that they made this power supply with care.

Rosewill Extreme RX850-S-B

Rosewill Extreme RX850-S-B

Rosewill Extreme RX850-S-B


The power supply itself has a nice Black Chrome Mirror Finish. Along with power supply, there was AC cord, strap, and color manual. The other reason I like Rosewill power supply is because they have colorful manual that explains installation process and what type of wires coming of the power supply.

Rosewill Extreme RX850-S-B

Rosewill Extreme RX850-S-B


Installation was very simple. All you need to do is secure the power supply to any ATX case. Unfortunately, Rosewill doesn’t make any modular power supply. Modular power supplies are power supplies that allow users to disconnect any unused wires. On the other hand, it’s very hard to find an 850W power supply that is modular. If you will be able to find one, it will cost more than $300.
Extreme RX850-S-B delivers power you need. 135mm led fan cools power supply without bringing noise. It works quietly. The power supply designed with four 12v rails that provide very reliable power.

Output connectors
1x 20+4 pin Main Connector
1x 4 pin ATX12V Connector
1x 8 pin EPS12V Connector
4x 6 pin PCI-Express Connector
1x PCI-E 6-pin to 8-pin Adapter
6x 4 pin Peripheral Connector
6x 5 pin SATA Connector
2x 4 pin Floppy Connector

Rosewill Extreme RX850-S-B


Also I was very happy with the power efficiency. The efficiency is up to 80%. The higher percent number than better. Higher energy efficiency takes less power directly and also requires less power to cool down.
With this power supply you have the ability to support even dual GeForce 8800GTX, which is the newest model of video cards on the market.
Rosewill gives a 3 year warranty on most of their power supply when other brands usually give 1 year warranty.

I was very happy to test it and this power supply was so good that I will use it on my next system. Highly recommend it to everyone. Over at newegg it cost about $170, which is a very good price for the very good power supply.
This power supply is EDITOR’s CHOICE!

Rosewill Extreme RX850-S-B


Pros:
Heavy
Power Efficient
Nice manual
Looks hot
Nice packaging
Price

Cons:
Not modular

This product gets 10 out of 10!

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2 comments

Jim Reece
Glad you had good luck with the Rosewill 850, and talking to them. I picked up a 750 which blew up and took the mobo and CPU with it. Also, in reviewing the company, this particular model, in the reviews at NewEgg has almost a 20% failure rate with 2 weeks, either DOA or dies shortly after arrival. And one has to figure that the EGG (which I guess owns Rosewill, isn't about to provide info on the true failure rate, which I'm guess is probably 30-40% if they actually publish 20%. I mention this because I provided a review to NewEgg who told me it didn't comply with their guidlines, though they finally did after I asked exactly what guideline I had broken, no answer, they just posted it. Also, their 'tech support' won't answer my questions.
pahanorlando online
I have two computers that run on Rosewill PSUs and they have been running for over 3 years now and I didn't have any problems with them so far; however, thanks for letting me know about the experience you have encountered with NewEgg and Rosewill
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