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Item#: N82E16817182082

Rosewill FORTRESS-550 550W Continuous @50°C, Intel Haswell Ready, 80 PLUS PLATINUM, ATX12V v2.31 & EPS12V v2.92, SLI/CrossFire Ready, Active PFC Power Supply

  • ATX12V v2.31 / EPS12V v2.92
  • 100-240V
  • 80 PLUS Platinum Certified
  • Efficiency up to 94%
  • 135mm Silent Fan
  • 7 years warranty
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The Rosewill FORTRESS series is a premium 80 PLUS PLATINUM certified power supply that delivers unprecedented performance, uncompromised features with unbeatable efficiency up to 94%. FORTRESS's black coated casing and granite touch makes it a truly regal power supply like no others. It features active PFC with auto AC-input voltage adjustment (100 - 240V), mesh sleeves on all cables for easier cable routing and better ventilation, and one 135mm fan with auto fan speed control for efficient, silent cooling. An array of safety & EMI approvals including UL, FCC, CE and RoHS ensures outstanding reliability, durability and eco-friendliness.


 

  • newegg 550W Power Output with Single Strong 12V Rail The Rosewill FORTRESS-550 power supply delivers rated 550W of safe, reliable output for your computer systems. One single strong +12V rail with 2x 6+2-Pin PCIe connectors can juice up your high-end CPU and even multiple graphics cards.
  • newegg 80 PLUS Platinum Certified The 80 PLUS Platinum certified power supply provides ultra-high power efficiency of at least 89%and can even peak at 94%, saving your money on your electrical bill, reducing heat in your computer's system and prolonging its life.
  • newegg Comprehensive Protection Over Current/Voltage/Power Protection, Under Voltage Protection, and Short Circuit Protection provide maximum safety to your critical system components.
  • newegg NVIDIA SLI Ready & AMD CrossFireX Certified The Rosewill FORTRESS-550 is AMD CrossFireX and NVIDIA SLI Ready and comes with 2x 6+2 Pin PCI-E connectors enabling you to build a high performance multi-GPU gaming system.
  • newegg Silent Cooling One silent 135mm fan with auto fan speed control delivers excellent heat dissipation at low noise, keeping your PSU running at peak performance.

Learn more about the Rosewill FORTRESS-550

Model

Brand
Rosewill
Model
FORTRESS-550
Series
FORTRESS Series

Spec

Type
ATX12V v2.31/ EPS12V v2.92
Maximum Power
Continuous 550W@50degrees celsius
Fans
1 x Silent 135mm Fan
PFC
Active
Main Connector
20+4Pin
+12V Rails
Single
PCI-Express Connector
2 x 6+2-Pin
SATA Power Connector
6
SLI
SLI Ready
CrossFire
CrossFire Ready
Modular
No
Power Good Signal
100-500ms
Hold-up Time
> 16ms
Efficiency
> 89%, Up to 94%
Energy-Efficient
80 PLUS PLATINUM Certified
Over Voltage Protection
+3.3V, +5V, +12V
Input Voltage
100 - 240 V
Input Frequency Range
47 - 63 Hz
Input Current
10A
Output
+3.3V@20A, +5V@20A, +12V@45.5A, -12V@0.5A, +5VSB@2.5A
MTBF
100k hours at 25 degrees celsius, max. load, nominal input
Approvals
cTUVus, FCC, CE, ROHS
Dimensions
5.91" x 3.39" x 6.50" ( W x H x D)

Features

Connectors
1 x 20+4-Pin Main Connector

1 x 4+4-Pin ATX12V/EPS12V Connector

2 x 6+2-Pin PCI-E Connector

5 x 4-Pin Peripheral Connector

6 x 5-Pin SATA Connector

1 x 4-Pin Floppy Connector
Features
80 PLUS Platinum Certified

Intel Haswell CPU Ready

Continuous 550W@50 degree celsius

Single strong 12V rail - idea for Gaming system

SLI & CrossFire Ready - 2 x 6 + 2pin Connector

1 x Silent 135mm Fan with Auto Fan Speed Control for better silence

Active - PFC with auto AC-input voltage adjustment (100 - 240V)

Mesh sleeving on all cables for easier cable routing and better ventilation

Over Current/Voltage/Power Protection, Under Voltage Protection, and Short Circuit Protection provide maximum safety to your critical system components

Safety & EMI Approval: UL, FCC, CE, ROHS

Manufacturer Warranty

Parts
7 years limited
Labor
7 years limited

Quick Info

Warranty

  • Limited Warranty period (parts): 7 years
  • Limited Warranty period (labor): 7 years


Customer Reviews of the Rosewill FORTRESS-550

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  • Scottie
  • 5/14/2013 12:02:28 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWhat a Monster

Pros: Awesome power supply. Plenty of power, plenty of connections, whisper quiet.

Cons: None

Did you find this review helpful? Yes No

  • N/A
  • 4/30/2013 7:00:33 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsReliable

Pros: The Power supply is still running well after my purchase in 2012. I do not use a lot of power hungry equipment so I cannot put the unit through its paces, but it has done the job and that is all I can ask.

Cons: None so far.

Did you find this review helpful? Yes No

  • I am bad at computer
  • 4/24/2013 7:40:14 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsHow did this get here

Pros: Definitely quiet. It's the most solid looking and feeling power supplies I've bought. Doing good going on 5 months...

Cons: Hope you got cable ties for all them extra wires.

Other Thoughts: Looks pretty nice in the case with the rest of the parts!

Did you find this review helpful? Yes No

  • N/A
  • 4/19/2013 4:47:09 PM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsAwesome

Pros: Sturdy, efficient, INSANELY quiet, plenty of connectors.

Cons: Lots of wires, tight fight but no big deal.

Other Thoughts: NZXT Apollo case
Asus P5Q mother board
Intel E86 C2D CPU
GTX 550TI

Did you find this review helpful? Yes No

  • N/A
  • 3/22/2013 3:38:57 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggs

Pros: plenty of power and very quiet

Cons: crapped out on me well see of the warranty goes

Did you find this review helpful? Yes No

  • N/A
  • 2/4/2013 10:54:51 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsBought with power savings in mind.

Pros: Silent, efficient, great build quality, braided cords, looks nice too! Powers my 4 drives, Core i5, and GTX 660Ti very nicely. My PC idles at about 85 watts! At load during a benchmark I get around 180-200 watts from the wall!

Cons: Bought 2, both work, no issues!

Other Thoughts: I'm using a power meter to monitor my energy usage now. Wish I got it before buying this power supply so I could see the difference! Had an ordinary non-80PLUS 460W PSU before upgrading to this one. This is my first Rosewill product and I'm impressed! I'd buy again!

2 out of 2 people found this review helpful. Did you? Yes No

  • N/A
  • 1/7/2013 8:41:13 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat power supply at a reasonable price

Pros: -Great price.
-Platinum certified.
-Single rail.
-Long cables, which is long enough to reach to the top of my ATX mid tower (Antec 600).
-Has more than enough cables to power up my gaming PC.

Cons: Cables were a bit stiff at first, but I was still able to do cable management with it.

Other Thoughts: This is my first Rosewill product and I believe this product has reliability at an affordable price.

1 out of 1 people found this review helpful. Did you? Yes No

  • Josh G
  • 12/27/2012 8:42:32 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsExcellent

Pros: These things are awesome! Excellent power output.
Very little (if any) heat output.
Amazing 7 year warranty!

The entire thing feels very well put together.

Cons: n/a

Other Thoughts: i could be happier if it was made in the USA.

Did you find this review helpful? Yes No

  • N/A
  • 12/23/2012 9:01:38 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsBad experience

Pros: Very quiet, runs cool.

Cons: Worked fine for 2 days and then my computer wouldn't post from a cold start. I was about to replace the motherboard because I kept getting memory errors on start up. I would have to turn off the supply and turn it back on and then it would boot.

As a last effort I tried a cheap Antec 400W supply and the problems all disappeared. I am now 2 days past 30 days and new egg won't accept an RMA. I will have to try Rosewill's Warranty process, but it might not be worth the shipping since I am in Canada and I'd have to send it to Cali.

Other Thoughts: I really wish this would've worked out, however I do not know if I was just unlucky and there is a bad component, or if it is due to the Platinum efficiency design of this unit. Thought I'd post this for anybody else having cold boot issues.

Manufacturer Response:

Dear Valued Customer,
We do apologize for this unexpected inconvenience with our product.Please kindly contact Rosewill support team either via phone at 800-575-9885 or email at rma@rosewill.com so we may assist you.and are eager to assist you in any possible way. We look forward to hearing from you soon.

Thank you
Rosewill Customer Care

Did you find this review helpful? Yes No

  • Ryan L
  • 12/4/2012 8:05:35 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsBest PSU I've Ever Bought

Pros: I bought this on shell shocker for a great price, and I will never go back to any other type of PSU. 80 Plus Platinum makes it extremely quiet and it hardly ever puts out warm air.

Cons: I wish it had two more SATA connections instead of 4 molex power connections.

Other Thoughts: This makes any other computer of mine sound like a jet engine because it is so quiet.

(I'm running 55W Ivy Core i3, as a file server.)

Did you find this review helpful? Yes No

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Buzz

5 out of 5 eggs
80 Plus Plat, 7 Year Warranty, Non-modular, price.
— 7/4/2012

Bought with power savings in mind.

5 out of 5 eggs
Silent, efficient, great build quality, braided cords, looks nice too! Powers my 4 drives, Core i5, and GTX 660Ti very ...
— 2/4/2013


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