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Item#: 9SIA4CP1GG2584

RAIDMAX RX-500S 500W ATX12V Power Supply

  • ATX12V
  • 100 - 120V/ 200 - 240V 47 - 63 Hz
  • +3.3V@28A, +5V@38A, +12V@22A, -5V@0.8A, -12V@0.8A, +5VSB@2.0A
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The RX-500S from Raidmax brings great performance at a better price for casual gamers or business users. This 500W PSU has a 22A +12V (Max) rail providing ample system power. There are 2 SATA, 4 Molex, 2 FDD and 1 PCIe connector.

Keeping the PSU cool is a 120mm bottom mounted fan. The back panel is highly perforated for maximum airflow. So, whether you’re building a new system or just replacing the PSU, look to Raidmax and the RX-500S.

  • newegg ATX12V Compatible Compatible with the ATX12V standard, the Raidmax RX-500S power supply provides maximum power stability to drive the latest Intel and AMD processors as well as other components for desktop computer systems.
  • newegg 500W Maximum Power A maximum power of 500W delivers safe, reliable output for mainstream computer systems.
  • newegg Efficient Cooling A 120mm silent fan plus a perforated back panel increases overall airflow in the power supply enclosure and helps remove heat from the chassis simultaneously.

Learn more about the Raidmax RX-500S




Maximum Power
1 x 120mm Fan
Main Connector
+12V Rails
PCI-Express Connector
1 x 6-Pin
Up to 75%
Over Voltage Protection
Overload Protection
Input Voltage
100 - 120V/ 200 - 240V
Input Frequency Range
47 - 63 Hz
Input Current
10/ 6A
+3.3V@28A, +5V@38A, +12V@22A, -5V@0.8A, -12V@0.8A, +5VSB@2.0A


1 x Main connector (20+4Pin)
1 x 12V (P4)
4 x peripheral
2 x SATA
1 x PCI-E
2 x Floppy
Power Material: SECC Steel

Manufacturer Warranty

2 years limited
2 years limited

Quick Info


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years

Customer Reviews of the Raidmax RX-500S

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  • Joseph S.
  • 3/26/2014 1:37:43 PM
  • Tech Level: High
  • Ownership: more than 1 year

4 out of 5 eggsOwned since 2008

Pros: bought this on a whim at a big box store, has been powering phenom build for almost 6? years, have had various low end gpus plugged in, does everything i ask, has many cables (use adapters if need be), can't remember what i paid for it, NEVER had an issue except....

Cons: is a bit noisy, but it is also in a very noisy case (rivet/mesh crummy case). not modular.

Other Thoughts: i'm not very nice to my computer components. I put the case in cabinets, move a lot (cross country hot weather cold weather) bang stuff around... basically has held the test of time....

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  • Kyle B.
  • 5/4/2012 1:28:20 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month

2 out of 5 eggsgood thing it was free

Pros: ok so its a good power supply, however after being on for more than a day i put my foot down there, and it was burning hot, so i immediately turned it off, n after a few mins it cooled down, so now im figuering out whats up with it, but all in all im about to go get a better power supply

Cons: like before the power supply cable is getting really hot, so hot it feels like the wires are going to burn out, n fry, the cable got rubbery and not as stiff

Other Thoughts: i would suggest using it, when it comes free with a case or whatever itll come with, and use it, but save up to get some 80 plus power supply, i dont know if bronze, silver, or gold matters so much but i hear those are the best to buy

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  • Anonymous
  • 12/4/2008 12:39:34 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSturdy, powerful..loud as heck

Pros: Sturdy and powerful. So far I have not problems with it and I have owned it for about a year. It can handle my Mobo, video, HD, DVD-burner and four fans, etc.

Cons: LOUD!!! Ever hear a helicopter from ten feet away??? This is how it sounds. I can close the door to where my PC is located so it's not too much of an annoyance to me.

Other Thoughts: Not too bad for your above average P.C.. I have not had a chance to test this out with a second HD or a second DVD burner....yet.

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  • Josh M.
  • 10/16/2008 1:55:05 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

1 out of 5 eggsFried my MoBo

Pros: Came bundled w/ my Raidmax Smilodon case, which is a great case.

Cons: Died after only 4 months. OK, that's not a big deal, it's only a PSU. Well, it also fried my motherboard. Now we've delved into "big deal" territory! I wasn't going to let the bad PSU cause me to think less of the case it came with. After all, the Smilodon is worth what I paid for alone. So I essentially got this PSU free. But now I found that it's also available for purchase by itself. Who thought that was a good idea?!

Other Thoughts: Newegg handled things very well. If there's any lesson to be extracted from this, it's that Newegg takes care of their customers. If you want to find out for yourself just how well they take care of you when things go wrong, then buy this PSU. It will more than likely stop working, and you'll find out for yourself how good Newegg's customer service is. If, however, you just want one that works, then buy something else.

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

  • Hayden H.
  • 9/25/2008 7:22:24 PM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggsnice psu

Pros: -500watts
-runs my hd4850 just fine
-already had a 6-pin and SATA power
-didn't arrive DOA :)
-the fan kicks out more air than my video card

Cons: -it makes a strange buzzing when it runs for about a min. then it randomly stops
-thats about it

Other Thoughts: i regret not buying a larger psu for my video card, but if you are looking to stick to a mid range gaming card, i highly recommend. Newegg is awsome.

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  • Craig D.
  • 9/2/2008 8:33:57 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week

2 out of 5 eggsWorks well but rattles

Pros: I bought the sagita 2 case with psu. The unit itself is nice and it puts out enough power for my 3 hdd (7200RPM) dvd rom and an 8600GT. It's very quiet when it wants to be.

Cons: It rattles a lot after 15 minutes idle. I have to tap the back of the psu for it to stop and sometimes it doesn't.

Other Thoughts: Raidmax makes cheap stuff....psu and cases. I bought a raidmax sagita 2 and it was the cheapest case i've ever worked with. My 30 dollar apevia case was better constructed than my 130 dollar case and psu.

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

  • Brandy W.
  • 8/7/2008 6:38:07 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsGet what you pay for

Pros: Cheap

Cons: popped after about 7 months, never got rebate

Other Thoughts: Popped, sparked, and died while playing Mass Effect. Luckily no damage was done to other components. Considering that my system should pull only about 300 watts max I figured I would be safe on the cheap power supply, I was wrong. PCP&C on the way. On another note, I purchased this along with a Raidmax case for a super cheap deal along with a bunch of other equipment. I sent off three rebates, Raidmax was the only company that did not send a check back. Would've rated a 2 if it wasn't for the lack of rebate, I should've bought a better power supply for what I was running.

System specs: AMD 5000+ BE, Gigabyte GA-M57SLI-S4, 2 gigs Kingston RAM, 8800GT 512MB

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

  • Jeremy B.
  • 7/29/2008 6:22:07 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week

3 out of 5 eggsWouldn't Recommend

Pros: It worked. What more can you say about a power supply. It has a lot connectors to plug in all of my stuff.

Cons: Just before I hit the 1 week mark with this product...I was playing Call of Duty 4 when a big spark flew out the back and toasted only itself. Thankfully, it toasted itself and not the whole system. One spark and it was done. I had another power supply, so I threw it in there and I'm good to go. Don't buy this....please spend your money on something of a little higher quality, unless you are running a small system.

Other Thoughts: Raidmax is a really good company, great cases, but I go this with the Raidmax Smilodon Extreme Black case. Case is awesome....power supply sucks.

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  • Anonymous
  • 6/26/2008 8:05:29 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

Pros: It works, and it hasn't messed up yet. Installed easy and had all the cables i needed.

Cons: It was only $15 after my rebate, and it's cheap: when it comes to power supplies this isn't always good, but I'm cheap so I can't actually complain.

Other Thoughts: Dunno what else to write about a PSU, if it ruins my computer I'll be sure to change my review.

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  • Anonymous
  • 6/25/2008 6:26:06 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsBuy another one

Pros: Cheap and has a +12V Rail

Cons: Used this PSU for about 6 months and it started to fill my room with a metallic smell. A few days later, the PSU would run really hot and my PC only run about 10 minutes before it shuts itself down due to the heat. All the fans in my Antec 900 were running. I didn't edit my bios or change any hardware.

Other Thoughts: Trust me, spend $30 or $40 more on a better PSU. It will be beneficial to you in the future.

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Item#: 9SIA4CP1GG2584
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