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Silverstone > 
Item#: N82E16817256054

SILVERSTONE ST1500 1500W ATX 12V 2.3 & EPS 12V SLI Ready 80 PLUS SILVER Certified Active PFC Full Modular Power Supply

  • ATX 12V 2.3 & EPS 12V
  • Full Modular
  • 80 PLUS SILVER Certified
  • 90 - 264 V 47 - 63 Hz
  • +3.3V@40A, +5V@40A, +12V1@25A, +12V2@25A, +12V3@25A, +12V4@25A, +12V5@25A, +12V6@25A, +12V7@25A
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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SilverStone ST1500 1500W Power Supply

Reaching 1500W DC output (1600W peak), the Strider ST1500 is effectively at the limit of what an internal PC power supply can achieve in terms of wattage rating. For SilverStone, getting to this maximum power for a consumer-level power supply was only part of the goal, so every desirable feature known was added to create a dream product. The list starts with an unprecedented eight +12V rails, each capable of up to 25A, and continues with features such as 100% modular cables, 80 PLUS Silver-worthy efficiency ratings, and a quietness level that matches most 500W PSUs. If there is one upgrade that will likely outlast a PC enthusiast’s interest in computing, the ST1500 may just be it.


Key Features

  • 1500W continuous and 1600W peak power
  • Efficiency 85% - 88% at 20% - 100% load with 80 PLUS Silver certification
  • Class-leading eight +12V rails with 110A (peak up to 120A)
  • 1500W continuous power output with 104°F (40°C) operating temperature
  • Strict ±3% Voltage regulation
  • Silent running 135mm fan with 19dBA minimum
  • Japanese main capacitors
  • Active PFC

80 PLUS Silver Certified
The 80 PLUS SILVER certified power supply provides high power efficiency of at least 85% at any load between 20% and 100%, saving your money on your electrical bill, reducing heat in your computer's system and prolonging its life.


Efficient Cooling
A 135mm ball bearing fan plus hexagon cutouts increase overall airflow in the power supply enclosure and help remove heat from the chassis simultaneously.


Modular Cable Management
The modular cable design allows use of only the cables you need resulting in improved internal airflow and reduced system clutter.



1 x Main connector (20 + 4-pin)


4 x 8 / 6-Pin PCI-E connector


12 x 4-Pin peripheral connector


12 x SATA Connector


1 x 8-Pin EPS 12V connector


1 x 8 / 4-Pin EPS / ATX 12V connector


4 x 4-Pin floppy connector


4 x 6-Pin PCI-E connector



What's in the Box

What's in the Box


Learn more about the Silverstone ST1500




ATX 12V 2.3 & EPS 12V
Maximum Power
135mm Silent fan
Main Connector
+12V Rails
PCI-Express Connector
4 x 8pin, 4 x 6pin
SATA Power Connector
SLI Ready
Haswell Support
Full Modular
85%~88% at 20%~100% loading
80 PLUS SILVER Certified
Over Voltage Protection
Input Voltage
90 - 264 V
Input Frequency Range
47 - 63 Hz
+3.3V@40A, +5V@40A, +12V1@25A, +12V2@25A, +12V3@25A, +12V4@25A, +12V5@25A, +12V6@25A, +12V7@25A
>100,000 Hours
8.66" x 5.9" x 3.39"


1 x Main connector (20+4Pin)
1 x 8 / 4-Pin EPS / ATX 12V
1 x 8-Pin EPS 12V
12 x Peripheral
12 x SATA
4 x Floppy
8 x PCI-E


Model Name

Manufacturer Warranty

3 years limited
3 years limited

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Silverstone ST1500

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  • John S.
  • 12/5/2014 4:08:58 AM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsStill going after all these years

Pros: I bought this back in 2010 and its still going strong!
Runs my cards in SLI no problems with power to spare for everything else .

Cons: none

Did you find this review helpful? Yes No

  • Jeremy G.
  • 10/29/2014 3:19:12 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsMissing Pieces

Pros: Fits in my case quite snugly.

Cons: After waiting for 2 weeks to get all the parts to come in. I assembled my pc and went to plug my old power cord only to find out that its a different type of socket. Went through all the boxes that i had looking for it to no avail. Went online and apparently i wasn't shipped the cable carrying bag either. Now i have to wait even longer before i can use my new pc.

Other Thoughts: Super frustrating to do all that work assembling everything only to find that you cant use it yet because you weren't shipped the parts you need to get it going. Makes me wonder what kind of quality control silverstone has.

Did you find this review helpful? Yes No

  • Daniel S.
  • 9/6/2014 7:55:42 PM
  • Tech Level: Average
  • Ownership: more than 1 year

1 out of 5 eggsGood while it lasts

Pros: Excellent for overclocking, stable power delivery, cable options galore.
The AC power cable and modular cables have a really nice thick gauge which speaks to Silverstone's excellent build quality.

Cons: I had this power supply for about two and a half years to drive a system that consumes ~1300w under full load (I do lots of video rendering on graphics cards). During that time, it was quite stable and a dependable workhorse that wouldn't start delivering unstable power under high load.
Just recently however, during a web-browsing session, it blew out with an audible pop, taking my 400$ motherboard (and potentially other parts) with it.
I had gotten a solid good working life out of; if it had died "gracefully," I wouldn't be giving it a one egg review. No, it had to destroy/damage half of the rest of my system too.
Since the warrenty on this power supply does not extend to cover damage to other equipment, it has left me completely out of luck.

Other Thoughts: I may be just extremely unlucky, but I won't be buying a Silverstone branded power supply ever again after this painful experience.

Did you find this review helpful? Yes No

  • Daryl C.
  • 5/27/2014 11:29:07 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsNot Reliable

Pros: None

Cons: I bought this power supply and it died within 45 days of using it at about 80% load. Contacted Silverstone and had to pay the shipping costs to return (International Shipping from Canada). After multiple attempts to get a status update on how the RMA was being processed I finally heard that they didn't have any replacements in stock and were waiting on a shipment from overseas.

When I finally received my replacement I hooked it back up again, this time at about 70% load and it died at around 90 days of use. Once again I need to pay international package shipping to return it to them.

Really not sure that this power supply is worth the cost of the shipping if it is only going to work for 2-3 months before dying.

Other Thoughts: Avoid this power supply, there are much better ones out there from other makers. 1500 watts at a 80 plus silver also leaves a fair bit to be desired. There are gold rated power supplies at this same price point.

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

  • Mindaugas S.
  • 4/28/2014 12:22:37 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggswas good for a bit

Pros: Was able to power all of my components without any issue for the 2 months I had it.
Very quiet.

Cons: I had it less than 2 months. Been trying to contact Sliverstone multiple times for a RMA, but cannot get any response from them.

Other Thoughts: I had it working prefect for 45-50 days, no issues. Then one day, I started noticing a heavy electric burn smell. It was coming from my PSU and I knew something was getting short circuited/getting fried. I turned it off and didn't use it for a week to see any difference. Turning it on again, I noticed that the smell was gone, but it wouldn't power anything more than my motherboard because I plugged in my GPU and it would turn on for a few seconds then shut off completely. I tried it again next day and the PSU was completely dead, couldn't power anything. It would turn on for less than a second and would give a small smell of something was burning. So I gave up on trying to resolve the issue. I've been using my back up PSU, but it is only powering up half of my components currently

Manufacturer Response:


First we would like to apologize for any negative experiences that you have had with the ST1500W PSU. We understand that it can be frustrating to have a product stop working when you need it to work as it normally should. With that being said, the USA based RMA team would definitely like to look into your issue and see if there is a solution that we can provide.

In order to get in contact with the US based RMA team; please call us at (909)-465-9596, during the regular business hours of Monday to Friday, 8:30 A.M to 5:30 P.M.

Best Regards,
SilverStone Tek USA.

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

  • Brandon A.
  • 4/27/2014 8:46:40 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsGreat until boom

Pros: Running a water loop for my 980x and SLI 580s for 2.5 years this thing had all the power I thought I'd ever need. Powering 13 120mm fans, HDDs, pumps, etc., things ran great!

Cons: 2.5 years later, changed to a GTX 780 Classified, very loud pop and electrical smoke smell, dead PSU.

Other Thoughts: This power supply was awesome. I wasn't using the machine 24/7, and recently noticed the power seemed to begin fluctuating. I adjusted the speed on my fans to a higher RPM thinking the setting I had them adjusted to might have caused a fluctuation between voltages and was the issue. Less than 30 seconds after the 1v boost to each group of fans, the PSU popped and shot sparks and then everything just powered down.

Manufacturer Response:

Hello and thank you for your purchase of a SilverStone Product,

We do apologize for any problems that you have had with the 1500W PSU after two and a half years. We understand that it can be frustrating to have a product stop working when you need it to work as it normally should. We are pleased to let you know though that your power supply is covered by a 3 year warranty, meaning that when you get the opportunity, you should definitely get in contact with US based RMA team so that they can look into solving the issue that you are having with your PSU.

In order to get in contact with the US based RMA team; please call us at (909)-465-9596, during the regular business hours of Monday to Friday, 8:30 A.M to 5:30 P.M.

Best Regards,
SilverStone Tek USA.

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

  • Seth T.
  • 2/10/2014 10:41:38 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsST1500 not a good choice for mining

Pros: Quiet: practically silent
Impressive total wattage

Cons: Too many rails and insufficient connectors: Hard to get full wattage out of the power supply without splitters/adapters.
Insufficient wattage to (4) PCI-e rails to power (4) mid range cards
No power switch (what?)

Other Thoughts: For mining you are much better of linking two 750-850 watt gold-rated power supplies with a high quality Y cable. It will be a lot cheaper and you'll get single rails with lots of connectors. Also, modular connections are useless for mining rigs, and actually an additional point of failure. Avoid this unit for that purpose.

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

  • Andre M.
  • 2/9/2014 5:06:38 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsPop!Spark! Dead...

Pros: Strong unit, modular cables, lots of power

Cons: Died with less than 300 hours of up time.

Other Thoughts: This was installed In system that isn't on 24/7. Total uptime since installation is under 300 hours, turned it on, and with a flash of sparks out the back of the unit and a loud POP, the unit is dead.

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

  • Jessica A.
  • 1/25/2014 2:10:00 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week

1 out of 5 eggsCan't power a hard drive

Pros: Modular, which doesn't mean much if it doesn't work

Cons: Apparently it can't power a single hard drive

Other Thoughts: Everything was great until I powered it on and it failed less than ten seconds into the boot cycle after adding a single 250GB hard drive. Confused, I switched the power cable AND the SATA cable out and it still failed as soon as the hard drive spooled up. Suspecting the hard drive, I put it in one of my other machines and it worked perfectly, initializing in Windows, transferring files and everything. I then took a completely different hard drive out of another machine and plugged into the ST1500 and the same exact thing happened: complete failure within ten seconds of applying power. The fan stops and everything on the mobo goes dark. I even disconnected the video cards, the SATA connection from the hard drive and everything else except the CPU and RAM with the same result. I tried all of the six pin ports and it still failed. The only way I could get it to work was unplug the hard drive and it would work just fine.

Summary: PSU fails anytime any hard drive is connected.

Manufacturer Response:

Hello and thank you for purchasing a SilverStone product.

We do apologize for the negative experience that you are having with the ST1500 PSU. The issues that you are experiencing are very rare and definitely not what should be happening. Please feel free to contact our US based support team and we would be more than glad to see if we can assist you with an RMA for this PSU.

Our contact information can be found at the link below:

Did you find this review helpful? Yes No

  • Jonathan A.
  • 12/26/2013 1:26:49 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsShould You Go Elsewhere For Your PSU?

Pros: Modular
Nice Boxing

Cons: No turn-off switch on the PSU itself

Unreliable Longevity

Unreliable Product

This is my second 1500W Strider Series Power Supply in the last 4 years. The first one I bought worked fine for just a litle over 3 years while running a 480 fermi. After that period, it just died and refused to turn on. Since I had no problem with it in those three years, I decided it was probably a rare fluke and decided to fork out another 400 dollars to buy another. To my dismay, after upgrading to two 780s in November of this year, the power supply would cut out after about an hour of gaming (This would happen with a single 780 or in SLI). I thought it was the GPU at first, but I've used these same card on my friends rig for days with no problems while I was switching out parts in order to assure myself of the culprit: the PSU.

Unfortunately, my PSU really doesn't like 780s, and will shut down even though my GPUs aren't overclocked like some of the other individuals having problems in this 1500w review.

Therefore, due to my experience, I cannot recommend this PSU to anyone. Since my newest one was purchased in May of this year, I'll likely try to exchange it. If, by chance, this fixes the problems I've been encountering, I'll update this information; however, if a refund is applicable, I'll certainly go that route--again, updating this info accordingly.

TL;DR: Apologies, but I cannot recommend this PSU to any individual.

Did you find this review helpful? Yes No

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Item#: N82E16817256054
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