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Seasonic S12III 650 SSR-650GB3 650W 80+ Bronze ATX12V & EPS12V Direct Cable Wire Output Smart & Silent Fan Control Power Supply

4.6 4.6 out of 5 stars 1,651 ratings

$80.99
FREE Returns
SSR-650GB3
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Purchase options and add-ons

Model Name S12III 650
Brand Seasonic
Compatible Devices Personal Computer
Connector Type ATX
Output Wattage 650
Form Factor ATX12V
Wattage 650 watts
Cooling Method Air
Item dimensions L x W x H 5.5 x 5.9 x 3.3 inches
Item Weight 2.24 Kilograms

About this item

  • Fixed cabling - Provides all the necessary cables required for a standard pc.
  • 80 plus Bronze - 82% efficient at 20% load, 85% efficient at 50% load, and 82% efficient at 100% load.
  • 120 mm SLEEVE BEARING FAN; The 120 mm fan inside is regulated by the Sea sonic S2FC fan control, which optimizes the fan speed according to the needs of the system to create a quiet and pleasant environment.
  • 5 year warranty ; Our commitment to superior quality.

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Seasonic S12III 650 SSR-650GB3 650W 80+ Bronze ATX12V & EPS12V Direct Cable Wire Output Smart & Silent Fan Control Power Supply
Seasonic S12III 650 SSR-650GB3 650W 80+ Bronze ATX12V & EPS12V Direct Cable Wire Output Smart & Silent Fan Control Power Supply
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Price$80.99$79.99$134.99$118.00-34% $54.99
List:$82.99
-7% $64.99
List:$69.99
Delivery
Get it as soon as Friday, May 17
Get it as soon as Monday, May 20
Get it as soon as Friday, May 17
Get it as soon as Friday, May 17
Get it as soon as Friday, May 17
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Customer Ratings
Easy to install
4.4
4.7
4.8
4.8
4.4
Energy efficiency
4.2
4.3
4.9
4.8
3.9
Noise level
4.1
4.4
4.7
4.8
4.0
Quality of material
4.4
4.6
4.9
Value for money
3.7
4.4
3.6
Sold By
CE Showroom
Amazon.com
Amazon.com
Amazon.com
Apevia
Amazon.com
power supply design
Semi-Modular
Full Modular
Full Modular
Semi-Modular
Non-Modular
connector type
ATX
PCI Express
ATX
ATX
atx,floppy,pci-e,sata
ATX, EPS, PCI Express, SATA, Floppy
form factor
ATX12V
ATX12V
ATX12V
ATX
cooling method
Air
Air
Air
Air
Air
Air
fan count
1
1
1
1
1
1
wattage
650 watts
650 watts
650 watts
650 watts

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Additional Information

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Product Warranty: For warranty information about this product, please click here

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Seasonic S12III 650 SSR-650GB3 650W 80+ Bronze ATX12V & EPS12V Direct Cable Wire Output Smart & Silent Fan Control Power Supply

Seasonic S12III 650 SSR-650GB3 650W 80+ Bronze ATX12V & EPS12V Direct Cable Wire Output Smart & Silent Fan Control Power Supply


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Product Description

The S12III Bronze Series is available in the standard ATX Form Factor and in wattages that are most common for a PC system. The Sea sonic S12III-Series achieves 80 PLUS Bronze standard of providing at least 82 %, 85 % and 82 % power usage efficiency at 20 %, 50 % and 100 % operating loads, respectively. This efficiency, combined with Active Power Factor Correction, enables the S12III Bronze series power supplies to lessen energy waste, which translates into savings on the costs of energy costs for its users. In addition to being greatly efficient, the S12II units maintain important features such as the stable and proven Double Forward Converter circuit design, and the industry’s leading Smart and Silent Fan Control (S2FC).

Customer reviews

4.6 out of 5 stars
4.6 out of 5
1,651 global ratings

Customers say

Customers like the quality, value, and ease of installation of the system power device. For example, they mention it's a high quality brand, it works nice, and it'll fit nicely into a mid ATX. That said, opinions are mixed on performance and noise.

AI-generated from the text of customer reviews

45 customers mention34 positive11 negative

Customers like the quality of the power supply. They say it's a high quality brand, has a top-notch build quality, and is reliable. Customers also say the cables and connectors are of top quality. They mention that it'll be a great product at a reasonable price.

"...Def trustworthy company and awesome warranty. PSU runs quiet and cables are black no ketchup and mustard here...." Read more

"...They are my top pick now. SeaSonic sells good heavy PSU's with good components. They've been around since 1975 and it shows in their PSU's...." Read more

"...Seasonic is a known high quality brand of power supplies, i've used them many times in the past...." Read more

"Sometimes my computer randomly turns off. I suspect it’s because the power supply doesn’t have enough power." Read more

14 customers mention10 positive4 negative

Customers like the value of the system power device. They mention it's not a bad price and cheap.

"...Seems to be a great deal for the price." Read more

"...on the jungle website, i was glad to find a Seasonic one at a good price point...." Read more

"...Keep in mind, this is a pretty basic, non-modular model." Read more

"...The price on this is good but I would suggest that if this is the first time you buy a PSU or its been a while, you get a modular PSU which allows..." Read more

12 customers mention12 positive0 negative

Customers find the installation process of the system power device to be easy. They mention that it's quiet, easy for later upgrades in CPU, and fits nicely into their mid ATX with no modding needed.

"...bundled in a manner that is easy to remove from the packaging and install quickly." Read more

"Runs cool and quiet, easy install no issues." Read more

"...That said I should have seen that before hand and it was easy to install so 4/5 easy" Read more

"Price was good for a reputable brand. Fixed my issue and was standard to install. No complaints after about a week of use." Read more

10 customers mention10 positive0 negative

Customers like the cables. They mention that it has plenty of cables for their build, is sleek, and has more connectors. Some say that it comes with old molex cables for older hardware. Overall, most are satisfied with the quality and quantity of the cables in the product.

"...Def trustworthy company and awesome warranty. PSU runs quiet and cables are black no ketchup and mustard here...." Read more

"...The supply arrived on time, has all the right connectors for my MB/CPU, 2 DVDs, 2 HDs, etc... Worked immediately when I started up the PC...." Read more

"...so keeping a clean case is a bit of a challenge, but it matches the case finish and the black sleeves hide the cables that are required...." Read more

"...ten years and this one is a very well-built replacement with more connectors, braiding over the cables, and overall, a higher quality build...." Read more

4 customers mention4 positive0 negative

Customers are satisfied with the fit of the system power device. They mention that it fits nicely into their mid ATX, and is compact enough to fit in any or most cases.

"This is a very small and compact PSU than virtually fits in any or most cases (ATX/micro). For the price you cannot go wrong with this...." Read more

"...Fit nicely into my mid ATX, no modding needed. Came with old molex cables for older hardware. Didn't cost me a leg either." Read more

"This is a great PSU great power and not to big . I got the 650w so I have room to upgrade parts. I highly recommend this" Read more

"High quality build and a perfect fit...." Read more

30 customers mention18 positive12 negative

Customers are mixed about the performance of the power supply. Some mention that it works well, has no problems so far, and runs nicely. However, others say that it stopped working all alone with no specific reason.

"...all the right connectors for my MB/CPU, 2 DVDs, 2 HDs, etc... Worked immediately when I started up the PC...." Read more

"...Otherwise, it will only on, off, and not powering up...." Read more

"...Plenty of power. It was so quiet I was shocked it was on. No problems so far." Read more

"no issues, very silent, multiple blackouts and everything was okay." Read more

26 customers mention15 positive11 negative

Customers are mixed about the noise produced by the system power device. Some mention that it's super quiet and never ever hear it at all, while others say that it still makes noises, has a very audible coil whine issue, and makes a high pitched whine when computer is off. It's also loud and not silent at all.

"...Def trustworthy company and awesome warranty. PSU runs quiet and cables are black no ketchup and mustard here...." Read more

"...It is not perfectly silent but hard to hear above the existing fans so effectively silent...." Read more

"...Plenty of power. It was so quiet I was shocked it was on. No problems so far." Read more

"Makes an awful hum when running on mod sine inverter but is great otherwise" Read more

4 customers mention0 positive4 negative

Customers are dissatisfied with the damage of the system power device. They mention that the outer bag arrived torn and heavily damaged, appearing to have been skated. The transformer cracked and leaking inside the unit, and the power cord was broken out of box.

"...The outer bag arrives torn and heavily damaged, appearing to have been skated and bounced across a concrete floor, and everything inside the bag..." Read more

"...I removed the cover and discovered what appeared to be the transformer cracked and leaking inside the unit,...." Read more

"If I could give this product less than one star I would. This fried my entire build and set me back $700. Just get corsair it’s better" Read more

"Power cord was broken out of box..." Read more

Great brand been using them for years
5 Stars
Great brand been using them for years
When it comes to PSU they've top tier, was building a budget lan machine, PSU has not let me down, I have now owned 6 diff PSU from the company and they are all working like the day I got them. Def trustworthy company and awesome warranty. PSU runs quiet and cables are black no ketchup and mustard here. Comes pretty standard config can't complain
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Top reviews from the United States

Reviewed in the United States on March 9, 2024
Style: SSR-500GB3_USVerified Purchase
When it comes to PSU they've top tier, was building a budget lan machine, PSU has not let me down, I have now owned 6 diff PSU from the company and they are all working like the day I got them. Def trustworthy company and awesome warranty. PSU runs quiet and cables are black no ketchup and mustard here. Comes pretty standard config can't complain
Customer image
5.0 out of 5 stars Great brand been using them for years
Reviewed in the United States on March 9, 2024
When it comes to PSU they've top tier, was building a budget lan machine, PSU has not let me down, I have now owned 6 diff PSU from the company and they are all working like the day I got them. Def trustworthy company and awesome warranty. PSU runs quiet and cables are black no ketchup and mustard here. Comes pretty standard config can't complain
Images in this review
Customer image Customer image
Customer imageCustomer image
Reviewed in the United States on December 15, 2021
Style: SSR-650GB3Verified Purchase
Recently retired from owning a computer repair shop for several decades. Have been messing with electronics and computers for over four decades now. Anyway, I've been a fan of these SeaSonic PSU's for years. And I'm still buying them for my own projects in retirement. I have worked on more PSU's than I care to remember. And I have tried a lot of different PSU's in my and my customers' builds over the years. For a long while I preferred PSU's from PC Power & Cooling, but in the past decade or so Sea Sonic has pulled ahead. They are my top pick now. SeaSonic sells good heavy PSU's with good components. They've been around since 1975 and it shows in their PSU's. I have some 18 year old PC Power & Cooling PSU's that have had near-constant use year after year and they just keep going. I keep moving them into new projects and just adding adapters/connectors if needed. They're great for legacy builds or Linux builds. Anyway, I expect to get the same longevity out of my SeaSonic PSU's. Also in my top 5 are Corsairs, CoolerMasters, and on occasion SilverStones (when there's a sale or I can't get what I want in a SeaSonic or PC Power & Cooling for a decent price). Not all PSU's from a company are the same. Especially if they outsource manufacturing here and there. Do your research on specific models that fit your intended project. Always buy more power than you need. And always keep all computers on a UPS (uninterrupted power supply). You'll be able to keep your PSU's going a lot longer if you do that. And just so you know, all the companies I stick with are also capable of producing stinkers. I just think they do so less often. All-in-all though, top end SeaSonics have never let me down. My brother likes them too and he's been working in computers longer than me AND is ten times the computer guy than I'll ever be.
9 people found this helpful
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Reviewed in the United States on July 7, 2019
Style: SSR-500GB3Verified Purchase
I had to replace a 380 W power supply on a home-built desktop. The supply arrived on time, has all the right connectors for my MB/CPU, 2 DVDs, 2 HDs, etc... Worked immediately when I started up the PC. It is not perfectly silent but hard to hear above the existing fans so effectively silent. Also has a power connector for the video card that I don't need now but might in the future. Seems to be a great deal for the price.
Reviewed in the United States on August 30, 2023
Style: SSR-500GB3_USVerified Purchase
There are a lot of questionable power supplies on the jungle website, i was glad to find a Seasonic one at a good price point. Seasonic is a known high quality brand of power supplies, i've used them many times in the past. It's not modular so keeping a clean case is a bit of a challenge, but it matches the case finish and the black sleeves hide the cables that are required. Plenty of power. It was so quiet I was shocked it was on. No problems so far.
Reviewed in the United States on December 11, 2023
Style: SSR-650GB3Verified Purchase
Product is bundled in a manner that is easy to remove from the packaging and install quickly.
Reviewed in the United States on October 7, 2023
Style: SSR-500GB3_USVerified Purchase
I have this running my NAS with a decent MSI mini ITX, i7-8700T, 4x7200 RPM HDDs and 4sSATA SSDs. It powers it all without issue and has been as reliable as I'd expect a Seasonic PS to be.
This is my first Seasonic - I've been an EVGA fan for a decade+ but with them dumping most of their products and recently reducing their warranty length, I had to jump ship :( Seasonic has been treating me well so far.
Reviewed in the United States on September 29, 2023
Style: SSR-500GB3_USVerified Purchase
It's only been a few months but it's Seasonic. They are really solid power supplies so you can't go wrong. I have another one that's 12 years old and running strong. Keep in mind, this is a pretty basic, non-modular model.
Reviewed in the United States on February 23, 2021
Style: SSR-650GB3Verified Purchase
Am I the one out of millions that this PSU fried my new build in 2 weeks?
Can someone tell me why it fried it?

In the picture, you can tell it is the CPU cable 12V(Not the VGA) fried it. It is the place for AS RockB550M Pro 4. You have to unplug it to power the desktop. Otherwise, it will only on, off, and not powering up. Fried location is at the upper corner of the case, so it shouldn't touch any screw to cause the short circuit.

Build: This PSU, Amd3600, GTX750TI(60watt), Ubit AX200(26 dollars), Gigabyte GC-USB 3.1, Stock AMD 3600 Fan, Montech Air X.

Does anyone have a suggestion to avoid it happening again?

To a seller, I am sorry to give you one star. But it fried my AS Rock B550M Pro 4. I am hoping the CPU AMD 3600 Zen 3 is fine. I am very thankful that Amazon allows me to return the motherboard and the PSU. I am very afraid to ask for the return of AMD 3600 Zen 3 too. I now hope it didn't fry the CPU. I bought them in just 2 weeks. And they ran perfectly for 2 weeks. Hey Amazon, will you be mad if return the CPU too if it is damaged?

Hey manufacturer, I choose you because everyone said you are reliable. But how come it fried my motherboard?

The problem is even though amazon allows me to return other expensive parts that I just bought, I still need to wait for the new motherboard and test others, and it will be more than 30 days. Amazon has an amount limit for the return.
Customer image
1.0 out of 5 stars Am I the one out of millions that this PSU fried my new build in 2 weeks? Why?
Reviewed in the United States on February 23, 2021
Am I the one out of millions that this PSU fried my new build in 2 weeks?
Can someone tell me why it fried it?

In the picture, you can tell it is the CPU cable 12V(Not the VGA) fried it. It is the place for AS RockB550M Pro 4. You have to unplug it to power the desktop. Otherwise, it will only on, off, and not powering up. Fried location is at the upper corner of the case, so it shouldn't touch any screw to cause the short circuit.

Build: This PSU, Amd3600, GTX750TI(60watt), Ubit AX200(26 dollars), Gigabyte GC-USB 3.1, Stock AMD 3600 Fan, Montech Air X.

Does anyone have a suggestion to avoid it happening again?

To a seller, I am sorry to give you one star. But it fried my AS Rock B550M Pro 4. I am hoping the CPU AMD 3600 Zen 3 is fine. I am very thankful that Amazon allows me to return the motherboard and the PSU. I am very afraid to ask for the return of AMD 3600 Zen 3 too. I now hope it didn't fry the CPU. I bought them in just 2 weeks. And they ran perfectly for 2 weeks. Hey Amazon, will you be mad if return the CPU too if it is damaged?

Hey manufacturer, I choose you because everyone said you are reliable. But how come it fried my motherboard?

The problem is even though amazon allows me to return other expensive parts that I just bought, I still need to wait for the new motherboard and test others, and it will be more than 30 days. Amazon has an amount limit for the return.
Images in this review
Customer image Customer image
Customer imageCustomer image
11 people found this helpful
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Top reviews from other countries

Translate all reviews to English
Arllan Felipe Santiago Correia
5.0 out of 5 stars Produto de Qualidade
Reviewed in Brazil on October 5, 2022
Style: SSR-500GB3Verified Purchase
Fonte confiável
Giovanni
5.0 out of 5 stars Per la mia build
Reviewed in Italy on April 2, 2023
Style: SSR-650GB3Verified Purchase
Ottimo per ma mia build, di ottima qualità. Montato è silenzioso e fa il suo lavoro
Roger Wood
5.0 out of 5 stars Power to the PC
Reviewed in the United Kingdom on March 23, 2021
Style: SSR-500GB3Verified Purchase
Not too much you can say about a PC power supply unit, well made and very quiet, just what you need.
Max K.
5.0 out of 5 stars goed product
Reviewed in the Netherlands on November 5, 2020
Style: SSR-500GB3Verified Purchase
ik heb er een mooie gaming pc gemaakt
Client d'Amazon
5.0 out of 5 stars Silence et stabilite ... enfin!
Reviewed in France on October 31, 2020
Style: SSR-650GB3Verified Purchase
Achetée en remplacement d'une Zalman 600w ZM600-LX II qui faisait un bruit épouvantable en charge (genre turbine), et que je n'ai pas suportee plus d'une semaine, j'ai été agréablement surpris par le changement vers cette Seasonic.

Pas inaudible en charge mais quand même très silencieuse, elle est de bonne facture, bien finie.

Certes, d'apres ce que j'ai lu elle n'est pas aussi bien que le haut de gamme de Seasonic (avec l'utilisation de condensateurs chinois au lieu de japonais normalement sur le haut de gamme), on reste neanmoins sur un produit très satisfaisant, qui respire la qualité.

bref, je respire !
;-)
3 people found this helpful
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