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Item#: N82E16817182081

Rosewill FORTRESS-450 450W Active PFC Power Supply - Continuous @ 122°F (50°C), 80 PLUS Platinum, ATX12V v2.31 & EPS12V v2.92, Intel Haswell, SLI & CrossFire-Ready

  • ATX 12V v2.31 / EPS 12V v2.92
  • 100 ~ 240 Volts AC
  • 80 PLUS Platinum Certified
  • Efficiency up to 94%
  • 135 mm Silent Fan
  • 7-Year Warranty

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

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 450W Power Output with Single Strong 12V Rail The Rosewill FORTRESS-450 power supply delivers rated 450W 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-450 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-450

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 7 years
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Rosewill FORTRESS-450

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  • dan w.
  • 5/27/2015 3:48:39 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsFive months later and still happy.

Pros: I've had this PSU since 12/30/14. It is silent as they day I installed it. I would definitely buy this again, and again. Solid, quiet and runs cool. I'm running three monitors off the AZrock z97 Extreme6 AC motherboard with the Intel 4790k chip video, so no PCIe video, although I do have two Seagate barracuda 2tb drives in Raid 0, as well as a 500g Samsung M2 Ultra hd for OS and boot with 16gb ram. I'm not overclocking.

Cons: No cons. I would have liked modular connections, but it was very clear before purchase that this PSU did not have them.

Other Thoughts: I feel like this PSU could handle a lot more than what I would normally expect from a 450w model.

Did you find this review helpful? Yes No

  • JAMES C.
  • 2/1/2015 9:08:46 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsVery Silent and Nice

Pros: Silent Fans, Cool running

Cons: None

Other Thoughts: It is hard to praise a power supply. Either it works or it doesn't. Well, this one definitely works, is nice and quiet, and nice and cool. So I give it praise! For those of you who like lots of colors and whistles, etc., this one has none, which I am perfectly happy about.

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  • Robert S.
  • 5/17/2014 7:15:32 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat lower power quiet PSU

Pros: Needed a low power PSU for a server build. This is quiet, has enough power for the build and with high efficiency should make running the server as cheap as possible. Has all of the connections needed for any modern board.

Cons: None

Other Thoughts: Wouldn't do anything to intensive with it, great for what it can do.

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  • Stanislaus T.
  • 5/3/2014 10:15:16 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsAlmost Perfect

Pros: Very energy efficient, very quiet

Cons: Wrong power cable distribution, not modular cables

Other Thoughts: The choice of 4/6 molex/SATA power connectors is questionable, and 2/8 would have made much more sense, but pick up a couple power adapters and all is good.

This is in my media machine which is on 24/7 in the living room, and it runs nearly completely silent. This PS consumes about 100 W less than our old one, and 100 W x 24 hours x 365 days = 876 kWh per year, or nearly 8% of our electric bill, so it totally pays for itself by that alone.

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  • Andrew M.
  • 8/5/2013 8:05:33 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat PSU

Pros: Runs quiet and not too hot, simple install and connectors all work fine with no problems. Really the best part is the lack of noise. The computer that this went into replaced one of the noisiest machines I have ever heard; so it was a very welcome relief to NOT hear anything.

Cons: None so far, hopefully it can handle a little dust!

Other Thoughts: Love having a higher efficiency unit, much less wasted heat, at least it seems that way.

2 out of 3 people found this review helpful. Did you? Yes No

  • Stephen R.
  • 4/30/2013 6:40:42 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggs

Pros: Big, solid power supply.

Cons: cables very thick. not enough room behind hard drives to connect cables with computer case side panel on. Had to use sata extension power cables or move hard drives into the 5.25 bays in order to attach the cables. Not that big a deal.

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

  • Michael M.
  • 2/14/2013 11:20:50 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat stuff

Pros: More powerful than you may think.

Cons: Not modular, but I knew that going in.

Other Thoughts: I'm always trying to making my gaming PC a little cooler, quieter, and now more power efficient. So, when I was looking for something to replace my old non-80 plus power supply, I thought I would do something crazy and try a 450w PSU for my gaming system. It works flawlessly.

Specs:
- OCZ Vertex 4 128GB x2 in RAID0
- Western Digital RE4 2TB
- Core i5-3570k, modestly OC'd to 4.2 Ghz
- Sapphire Radeon HD 7870 XT, OC'd to 1100 Mhz with voltage turned up 20%

I've stress-tested this machine with Furmark and long gaming sessions, and this PSU has not hiccuped once (knock on wood).

The down-side is that I'll never be able to cross-fire without buying a new PSU, but I've always been a single GPU guy.

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

  • roger f.
  • 1/6/2013 4:19:09 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsNice, not greatness

Pros: Well constructed. Quiet. 7 year warranty is impressive. Single rail.

Cons: Only 4 watts more efficient at idle than a seasonic bronze [60 less]. Break even is 17 years [24x7x365] given 0.1$/kwh and is 10watts is 6.8 years. Point is I will stick to bronze rated units given the multi-year payback times. It is true I have not calculated the cooling costs for 3+ months of the year, nor when it does not matter nor the time waste heat helps heat the home.

Other Thoughts: Bought for a 24x7 server.

2 out of 4 people found this review helpful. Did you? Yes No

  • Jonathan J.
  • 1/1/2013 3:43:19 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsAwesome!

Pros: Very quiet, almost silent. Large 135mm fan does a great job moving alot of air at low rpm.
Got it on sale 69.99 which is great, it'd be even better if I endup getting the MIR with it as well.

Cons: None so far. Possibly when it comes to the MIR. Just hoping I actually get it back.

Other Thoughts: Awesome deal with shell shocker. I needed something quieter for my gf's build. Originally had a psu with two small loudish fans and I had an 80mm case fan going. I replaced the psu AND removed the small loud rattling case fan and now you can't hear any noise. The case mounts this on top so it does a better job with just this and no case fans! Makes me very happy.

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

  • Adam A.
  • 12/29/2012 10:15:43 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsGreat PCI wifi desktop card 4 $

Pros: Inexpensive, reliable, comes with mini form factor bracket just in case.

Cons: None.

Other Thoughts: Can't beat this card for the money, if you have an older desktop you need to retro fit to have wifi this is the card for you!

0 out of 9 people found this review helpful. Did you? Yes No

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Item#: N82E16817182081
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