







⚡ Power meets silence in a compact form—build smarter, not bigger.
The SilverStone SX1000 Platinum is a 1000W fully modular SFX-L power supply designed for compact, high-performance PCs. Featuring an 80 PLUS Platinum efficiency rating, all-Japanese capacitors, and a silent semi-fanless 120mm fan, it delivers reliable, quiet power with a sleek footprint. Ideal for enthusiasts seeking maximum power and efficiency in small form factor builds.








| ASIN | B0919YY7Z6 |
| Best Sellers Rank | #616 in Computer Power Supplies |
| Brand | SilverStone |
| Compatible Devices | Personal Computer |
| Connector Type | ATX |
| Connector Type Used on Cable | ATX |
| Cooling Method | Air |
| Current Rating | 83.3 Amps |
| Customer Reviews | 4.2 out of 5 stars 541 Reviews |
| Fan Size | 120 Millimeters |
| Form Factor | SFX-L |
| Item Dimensions | 5.12 x 4.92 x 2.5 inches |
| Item Weight | 3.06 Pounds |
| Manufacturer | SilverStone |
| Maximum Input Voltage | 240 Volts (AC) |
| Minimum Input Voltage | 90 Volts (AC) |
| Model Name | SST-SX1000-LPT-X |
| Number of Fans | 1 |
| Output Wattage | 1000 |
| Power Supply Design | Full Modular |
| System Bus Connector Type | 20+4 Pin |
| UPC | 844761022839 |
| Upper Temperature Rating | 50 Degrees Celsius |
| Warranty Description | 5 year limited manufacturer |
| Wattage | 1000 watts |
E**N
Silent and very powerful 700W in a SFX-L form factor power supply.
The Silverstone SST-SX700-LPT-USA is a great 700W power supply. Its a completely modular power supply and the cables are easy to work with. I used this particular model in an ITX build paired with a 10700k and 2080 Super graphics card. The power supply was able to handle the power requirements of the cpu and gpu just fine. One thing the buyer needs to note is the fan within the power supply will not spin on turn on. The fan only comes on when a certain temperature is reached within the power supply. So its very silent. And only comes on when I game. But then I can not even hear it. Everything was in the box i needed and came very well packed.
A**.
(Silverstone SFX-L) For when "Go big or go home" doesn't apply
This will be my first time building a mini itx computer making it my third pc build. Wanted to maximize space and increase airflow so choosing a SFX power supply in my mind was a no brainer. The reason for choosing this power supply was based on the original case I had in mind for this build which was the Silverstone ML08B-H. Loved the slim design and the fact that it had a carrying handle. However I decided to go with a Cooler Master Elite 130 do to its support for all in one liquid coolers and better airflow. Even after changing cases I already had my mind set on this awesome little power supply. It also comes with an adapter to mount on an ATX case so it will fit just fine in the Elite 130 case. I'm use to using power supplies that come with sleeved cables however I am glad it came with flat cables so it is easier to work with inside cramped spaces. If you are building a mini itx computer I highly recommend this power supply by Silverstone. Small form factor without having to use a smaller fan Included mounting bracket Flexible Black Cables Fully modular for easier upgrades and maintenance. (Used non modular power supplies and will not go back) Zero RPM fan for silent operation And of course the pimpin snowflake on the fan grill
E**G
Solid PSU!
So far this power supply has been super solid. No issues after a couple of power outages, and seems to put out consistent power. Easily powers high end hardware with no unexpected shut downs. Only negative I have with this thing is the whining. You can here it depending on the power draw, a high pitch whine coming from it. It doesn't bother me, because I usually have headphones on most of the time, but just something to be aware of. Overall, happy with my purchase. I have always trusted Silverstone power supplies and actually have one 10 years old that's still going strong.
B**D
SOLID SFX-L Power Supply
**Pros** 500W capacity 80 Plus Gold Relatively quiet fan (even without the zero RPM fan mode of the v1 version) Flat black cables 100% modular **Cons** Slightly larger SFX form factor (130mm doesn't leave much room in my FTZ01 for dealing with the cables) **Other Thoughts** The V2 of this power supply doesn't really have much different than it's original counterpart. The main change with the V2 version is the removal of the Semi-Passive fan mode of the v1. There were several complaints about the fan making a "grinding noise" and some buzzing as well but this issue seems to have been severely reduced with the V2 PSU. Overall this is a very nice small power supply. It is a bit larger than the standard SFX form factor so that is definitely something to keep in mind, however as a result they were able to slap on a larger 120mm fan which definitely helps keep this thing cool and quiet. This is a solid little power supply with 80plus gold efficiency that gets the job done.
J**N
This is by far the best small form factor power supply I have used
This is by far the best small form factor power supply I have used. Using this in an Ncase M1 V3 and it fits well with long GPUs. The power supply itself is completely off at idle, and then when it does turn on it is silent from a foot away. It should be noted that there is a slight galloping/clicking sound that comes from the fan when it is on, but I can only detect it if I place my head right next to it. At normal loads with the CPU the clicking is too faint to hear from 1-2 feet away and at full load with a reference GTX 970/980 it is completely inaudible.
E**N
Bad product, bad service.
Well, this has been a disappointing product from SilverStone AND the first time I have received sub-par service from Amazon. When paying 2 to 3 times what you would for a typical component you expect something top-notch and trouble free. The whole purpose of this power supply is to provide a larger fan with less noise. The first one I got made a ticking noise when starting up (it cycles on and off based on your system load) and then would occasionally make a moaning noise while it was running. I ordered a replacement after the first day. I received the replacement quickly but I could tell from the beat up packaging that this was most likely also a return that was being shipped out as a replacement for my defective unit. It even had a bracket from a prior system still attached to it. I installed it and once I got the load up to where the power supply would turn on it starting making a whining noise but wouldn't spin. I gave it a little nudge with a screw driver and it started to spin but would again make occasional noises. Needless to say I'm requesting another replacement and will keep doing so until they make it right.
R**D
have become summarily disappointed in both products
I had purchased both the 500W SFX-L and the 600W SX600-G for an NCase compact gaming PC project I was working on, and over time, have become summarily disappointed in both products. The 500W: - Too large to accommodate a full sized GPU in this case... though not a knock specifically against this product, it is something to consider on smaller builds. - The Fan wobbles and makes a rubbing sound. This is a complaint I've read both here, on Newegg, and other various forums. Thought it works in "Silent" mode, even at low levels of load the fan spins up, and is noticeably audible. This was a big problem for me as one of my build parameters was to be ultra-quiet The 600W: - Started to fail after only 1 year of operation. - The fan is extremely loud, and spins up quickly with even minimal loading. Many people have pointed this out, and the only real solution is to replace the fan in it with a similar sized noctua. - Runs noticeably warmer than it's 500W sibling. The options are limited for small form factor power supplies, and both of these have their faults. I would highly advise steering away from the 600W supply as it does have repeatedly reported reliability issues. Both of the supplies have issues with noise from the fans. Luckily there are other options now. Anyone looking for an SFX power supply should do themselves a favor and check out the Corsair SF600: https://www.amazon.com/Corsair-SF600-Performance-Power-Supply/dp/B01CGI5M24/ref=sr_1_1?s=pc&ie=UTF8&qid=1465937155&sr=1-1&keywords=corsair+sf600 I've had this power supply installed in my machine since the Silverstone started failing, and I am 100% satisfied to date. It runs extremely silent and cool. The only knock I have against it are the cables that you have to use, but that is a nitpick compared to reliability.
J**T
No issues so far
Powerful PSU, runs my new PC fine with an i7 13700K and an Intel a770 Bifrost. Haven't heard any noises from it so far while playing games or media creation. Just be careful of the size, it's longer than other small PSUs so you may have trouble fitting a GPU with it depending on the case (ITX). I'm using it in an NR200.
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