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Item#: N82E16817182261

Rosewill CAPSTONE-450-M 450W Continuous @ 50°C, Intel Haswell Ready, 80 PLUS GOLD, ATX12V v2.31 & EPS12V v2.92, SLI/CrossFire Ready, Modular Active PFC Power Supply

  • ATX12V v2.31 / EPS12V v2.92
  • 100-240V
  • 80 PLUS Gold Certified
  • Modular Design
  • Efficiency up to 92%
  • 7 Years Warranty
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Learn more about the Rosewill CAPSTONE-450-M

Quick Info

Warranty

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


Customer Reviews of the Rosewill CAPSTONE-450-M

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Showing 48 of 48 reviews - Clear Filters

  • Jason H.
  • 1/5/2015 7:09:00 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsIt's an amazing PSU for the price

This review is from: Rosewill CAPSTONE-450-M 450W Continuous @ 50°C, Intel Haswell Ready, 80 PLUS GOLD, ATX12V v2.31 & EPS12V v2.92, SLI/CrossFire Ready, Modular Active PFC Power Supply

Pros: Modular, low price, output is higher than 450w based on my testing, and it's much quieter than my previous 530w Raidmax.

Cons: One more molex connector would have been nice, to power the additional fans without having to add a whole sata connector. But I have two more SATA SDDs to add, so they will be put to use shortly.

Other Thoughts: While time is the true test of a PSU (my old Raidmax died after two years), this PSU has handled a mild and strong overclock on the CPU and GPU without fluctuations or issues.

If you don't require over 450W (which is actually most systems, unless you're running pairs of top-end graphics cards), this is a great little PSU.

System: AMD A-8 3750K @ 3.4GHz, 8GB DDR3, 2GB HD7850 @1040/1450.

Did you find this review helpful? Yes No

  • Robert M.
  • 1/1/2015 10:38:15 AM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs18 month Follow-up

This review is from: Rosewill CAPSTONE-450-M 450W Continuous @ 50°C, Intel Haswell Ready, 80 PLUS GOLD, ATX12V v2.31 & EPS12V v2.92, SLI/CrossFire Ready, Modular Active PFC Power Supply

Pros: Everything I stated back in May of 2013 still holds true and I hold even more praise for this line & brand of PSU's than before.

PSU is still completely silent.
Powerful enough for an i7 and R9 290; more info below.
Lengthened warranty from 5 to 7 years!
AnandTech Editor's Choice Award Winner.
Competitive pricing for an outstanding product

Cons: Definitely Not

Other Thoughts: This PSU is still powering my HTPC which has had an overhaul since I first reviewed it.

My HTPC main components are now:

Gigabyte Z97-N WiFi Mini-ITX board
i7 4770k @ 4.3GHz
8GB Corsair Vengeance Pro 2133MHz 1.5V
PowerColor R9 290 @ 1075/1375

This little PSU just keeps on chugging and has never let me down.

It holds stable for lengthy gaming sessions where the R9 290 is utilized 100% for nearly the entire game session. My overclock on this 290 isn't extreme, but it is common knowledge that efficiency isn't one of the strong points of the 290(X) cards. I've had no problem powering the 290 for the last 9 months.

Has no problem feeding the overclocked, 4.3GHz, 4770k @ 85-100% load for Bluray rips that typically take 30-50 minutes; depending on the title.

I will be dropping a 4790k into my HTPC soon. The 4790k seems promising as it is clocking 4.7GHz in my test bench and the chip hasn't even been delidded yet. Hoping to shave a few minutes off my BD rip times with the higher clock speeds.

Just buy one!

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  • Ryan B.
  • 12/28/2014 6:50:18 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWorks fine so far

This review is from: Rosewill CAPSTONE-450-M 450W Continuous @ 50°C, Intel Haswell Ready, 80 PLUS GOLD, ATX12V v2.31 & EPS12V v2.92, SLI/CrossFire Ready, Modular Active PFC Power Supply

Pros: Quiet, no issues so far. Modular design is always a plus.

Cons: None so far

Did you find this review helpful? Yes No

  • v. A.
  • 12/16/2014 2:16:23 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsVery Nice PSU

This review is from: Rosewill CAPSTONE-450-M 450W Continuous @ 50°C, Intel Haswell Ready, 80 PLUS GOLD, ATX12V v2.31 & EPS12V v2.92, SLI/CrossFire Ready, Modular Active PFC Power Supply

Pros: Better cables and hardware then what i expected. Looks and feels solid. Boxed up very nicely just like the the Corsair HX750 that I also got.

Comes with a nice bag to keep extra cables and all the hardware you need to set it up with extra screws, zip cords, and a set of thumb screws for the PSU if u don't want to use regular screws.

Pretty much had all the same things that the Corsair HX750 that also bought came with. And one that the Corsair did not come with that is a set of really nice thumb screws.

Great warranty 7 years.

Price over Corsair.

Has really good reviews on line.

Cons: Nothing right now.

Other Thoughts: Will buy this type PSU again can't see now paying extra money for Corsair PSU moreover now that Corsair customer service sucks so much and they make jump over hoops to even get a Case manual that ur case is suppose to come with already.

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  • Anonymous
  • 12/8/2014 7:41:49 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggshorrible

This review is from: Rosewill CAPSTONE-450-M 450W Continuous @ 50°C, Intel Haswell Ready, 80 PLUS GOLD, ATX12V v2.31 & EPS12V v2.92, SLI/CrossFire Ready, Modular Active PFC Power Supply

Pros: This is a very well-built power supply. The casing is solid, the connectors clicked in solidly, the 24-pin fit without too much pressure, and the options for connectors was smart. The voltages were very stable under heavy load and I was able to overclock my FSB much higher due to the stable voltages.

Unfortunately, all this is completely irrelevant (see cons)

Cons: It failed on day two! My kill-a-watt meter reported that I was only drawing about 250-280W at the wall so there is no excuse for this to have completed failed in that time. I tried testing it with a paperclip on the green to ground and the fan wouldn't spin. It just clicks unhappily. I tried it with a new power cord, on a different circuit, and in a different building. Nope, it's dead.

In 7 years and building about 400 computers I've had a power supply fail this quickly once and it certainly wasn't a gold certified, award winning one. Avoid this power supply at all costs. There is either a severe design defect or they're lying about the build quality and specs.

Other Thoughts: The shipping box wasn't damaged, it didn't get wet, I didn't have a power surge or outage, and I barely got about 15 hours on the power supply before it failed. There is simply no excuse for that early of a failure.

Manufacturer Response:

Dear Valued Customer,
Thank you very much for purchasing this unit.
We strive to provide the most reliable and highest quality products to our customers.

We are sorry to hear that, please contact our support team to assist you with troubleshoot and/or warranty options.

Phone: 1- 800-575-9885
Email: rma@rosewill.com
Email2: techsupport@rosewill.com

We look forward to hearing from you.

Thanks,
Rosewill Customer Care

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

  • Robert S.
  • 12/3/2014 5:20:48 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsRosewill CAPSTONE-450-M 450W Modular PSU

This review is from: Rosewill CAPSTONE-450-M 450W Continuous @ 50°C, Intel Haswell Ready, 80 PLUS GOLD, ATX12V v2.31 & EPS12V v2.92, SLI/CrossFire Ready, Modular Active PFC Power Supply

Pros: 1) Small footprint inside my Mid tower case. Semi Modular version works well for the room I had. All connectors were fine and proper.

2) Works like a charm, can't hear it running ( I checked just to make sure it WAS running right, lol)

3) Plenty enough power for my A-10 7850k system running 4.2.

4) Truth: Was going to go with a Corsair model....BUT, after mulling it over I decided to give Rosewill a try and save a few bucks in the process. So far, so good.

5) Daddy's happy and that's what counts! :)

Cons: None

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  • Jose C.
  • 11/29/2014 4:52:20 PM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsCapacitor(?) Blew After a Few Hours

This review is from: Rosewill CAPSTONE-450-M 450W Continuous @ 50°C, Intel Haswell Ready, 80 PLUS GOLD, ATX12V v2.31 & EPS12V v2.92, SLI/CrossFire Ready, Modular Active PFC Power Supply

Pros: It's Modular and it looks nice.

Cons: After taking all day to build a new PC I turned it on and it ran for hours, then out of nowhere there was a loud cracking sound and everything shut off. Now it refuses to power on.

It's REALLY big, it barely fit in my Mini-ATX.

Other Thoughts: I just RMA'd, 10$ to ship it back and delay the build, which was a gift.

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

  • Robert C.
  • 9/3/2014 10:53:33 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsLacking Quality - Failed in Less than a Year

This review is from: Rosewill CAPSTONE-450-M 450W Continuous @ 50°C, Intel Haswell Ready, 80 PLUS GOLD, ATX12V v2.31 & EPS12V v2.92, SLI/CrossFire Ready, Modular Active PFC Power Supply

Pros: Quiet
80 PLUS Gold
Cool
Modular
Many accessories
7 Year Warranty

Cons: Failed in less than a year. Had to RMA. Shipping is expensive and slow. PSUs shouldn't fail in less than a year for quality PSUs. Failed paper clip test (fan would spin for a second, then stop)
Large
Heavy
Really long cables if installed in a small case

Manufacturer Response:

Dear Valued Customer,
Thank you very much for purchasing this unit.
We strive to provide the most reliable and highest quality products to our customers.

Thanks for the feedback we will pass it along to our QA and Design teams.

Phone: 1- 800-575-9885
Email: rma@rosewill.com
Email2: techsupport@rosewill.com

We look forward to hearing from you.

Thanks,
Rosewill Customer Care

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

  • christian b.
  • 9/2/2014 3:49:56 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsVery silent

This review is from: Rosewill CAPSTONE-450-M 450W Continuous @ 50°C, Intel Haswell Ready, 80 PLUS GOLD, ATX12V v2.31 & EPS12V v2.92, SLI/CrossFire Ready, Modular Active PFC Power Supply

Pros: * Very good price
* Modular
* Very silent, I don't hear it 2.5 feet away. If I put my hear very close to the case, I will hear a very light sound due to the air blowing. Is it the CPU fan or the PSU fan (or both !), it is hard to say. Compared to a Corsair CX430 I had previously, I can say that this PSU is more silent. I know that another customer has another point of view. Maybe it is because his system needs more load ? My system runs at about 35% load.

Cons: I wish the cable with 4 SATA plugs would be one inch longer. I cannot use only one cable to reach the SSD at the bottom of the case and then the HDD (in the middle area of the case) and then the DVD burner (case top area) ; with a micro-ATX case. But, maybe, it is better to spread the devices on 2 cables anyway ?
It is more a suggestion for improvement than really a cons.

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

  • Anonymous
  • 4/30/2014 4:51:02 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day

3 out of 5 eggsperhiperials are stuck! Noisy!

This review is from: Rosewill CAPSTONE-450-M 450W Continuous @ 50°C, Intel Haswell Ready, 80 PLUS GOLD, ATX12V v2.31 & EPS12V v2.92, SLI/CrossFire Ready, Modular Active PFC Power Supply

Pros: -Inexpensive
-80 Plus Gold

Cons: -the plugs fit extremely tight into all of my peripherals. My DVD and SSD plugs are permanently stuck!!!!! I tried using tools to get it out. Impossible.

-Molex connectors were all crooked. Difficult to plug in...

-Same noise level as my previous 350 Watt Sparkle PSU made in 2004

Other Thoughts: -Inexpensive, 80 plus Gold. Just make sure you plug it into the peripherals right the first time. Most likely they will not come out.

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

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